Items where Author is "Wilhelms, Frank"

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Number of items: 198.

Article

Smith, E.

, Hattermann, T. , Kuhn, G.

, Gaedicke, C. , Berger, S.

, Drews, R. , Ehlers, T. A. , Franke, D. , Gromig, R. , Hofstede, C. , Lambrecht, A. , Laeufer, A. , Mayer, C. , Tiedemann, R.

, Wilhelms, F.

and Eisen, O.

(2020)
Detailed Seismic Bathymetry Beneath Ekström Ice Shelf, Antarctica: Implications for Glacial History and Ice‐Ocean Interaction ,

Geophysical Research Letters, 47 , e2019G .

doi:https://doi.org/10.1029/2019GL086187 , hdl:10013/epic.9e83d988-aeea-4631-b62b-d27b2b29690a

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Article

McConnell, J. R. , Sigl, M. , Plunkett, G. , Burke, A. , Kim, W. M. , Raible, C. C. , Wilson, A. I. , Manning, J. G. , Ludlow, F. , Chellman, N. J. , Innes, H. M. , Yang, Z. , Larsen, J. F. , Schaefer, J. R. , Kipfstuhl, S. , Mojtabavi, S.

, Wilhelms, F.

, Opel, T.

, Meyer, H.

and Steffensen, J. P. (2020)
Extreme climate after massive eruption of Alaska’s Okmok volcano in 43 BCE and effects on the late Roman Republic and Ptolemaic Kingdom ,

Proceedings of the National Academy of Sciences of the United States of America, 117 (27), pp. 15443-15449 .

doi:https://doi.org/10.1073/pnas.2002722117 , hdl:10013/epic.8f169a1b-5b5c-4801-ac05-cd599d0b974b

Article

Gong, D. , Fan, X. , Li, Y. , Li, B. , Zhang, N. , Gromig, R. , Smith, E.

, Dummann, W. , Berger, S.

, Eisen, O.

, Tell, J. , Biskaborn, B. K.

, Koglin, N. , Wilhelms, F.

, Broy, B. , Liu, Y. , Yang, Y. , Li, X. , Liu, A. and Talalay, P. (2019)
Coring of Antarctic Subglacial Sediments ,

Journal of Marine Science and Engineering, 7 (6), p. 194 .

doi:https://doi.org/10.3390/jmse7060194 , hdl:10013/epic.168bfc85-4a99-4344-b804-ec4391f80188

Article

Eichler, J. , Weikusat, C. , Wegner, A. , Twarloh, B. , Behrens, M.

, Fischer, H. , Hörhold, M. , Jansen, D.

, Kipfstuhl, S. , Ruth, U. , Wilhelms, F.

and Weikusat, I.

(2019)
Impurity Analysis and Microstructure Along the Climatic Transition From MIS 6 Into 5e in the EDML Ice Core Using Cryo-Raman Microscopy ,

Frontiers in Earth Science, 7 , p. 20 .

doi:https://doi.org/10.3389/feart.2019.00020 , hdl:10013/epic.71739c87-2b56-4e62-9d71-9098fe4971d7

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Article

Weikusat, I.

, Jansen, D.

, Binder, T. , Eichler, J. , Faria, S. H. , Wilhelms, F.

, Kipfstuhl, S. , Sheldon, S. , Miller, H. , Dahl-Jensen, D. and Kleiner, T.

(2017)
Physical analysis of an Antarctic ice core—towards an integration of micro- and macrodynamics of polar ice ,

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 375 (2086), p. 20150347 .

doi:https://doi.org/10.1098/rsta.2015.0347 , hdl:10013/epic.49522

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Article

Karlsson, N. B. , Eisen, O.

, Dahl-Jensen, D. , Freitag, J.

, Kipfstuhl, S. , Lewis, C. , Nielsen, L. T. , Paden, J. , Winter, A. and Wilhelms, F.

(2016)
Accumulation Rates during 1311–2011 CE in North-Central Greenland Derived from Air-Borne Radar Data ,

Frontiers in Earth Science, 4 , p. 97 .

doi:https://doi.org/10.3389/feart.2016.00097 , hdl:10013/epic.48973

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Article

Doyle, S. H. , Hubbard, A. , van de Wal, R. S. W. , Box, J. E. , van As, D. , Scharrer, K. , Meierbachtol, T. W. , Smeets, P. C. J. P. , Harper, J. T. , Johansson, E. , Mottram, R. H. , Mikkelsen, A. B. , Wilhelms, F.

, Patton, H. , Christoffersen, P. and Hubbard, B. (2015)
Amplified melt and flow of the Greenland ice sheet driven by late-summer cyclonic rainfall ,

Nature Geoscience, 8 , pp. 647-653 .

doi:https://doi.org/10.1038/ngeo2482 , hdl:10013/epic.46212

Article

Rasmussen, S. O. , Abbott, P. M. , Blunier, T. , Bourne, A. J. , Brook, E. , Buchardt, S. L. , Buizert, C. , Chappellaz, J. , Clausen, H. B. , Cook, E. , Dahl-Jensen, D. , Davies, S. M. , Guillevic, M. , Kipfstuhl, S. , Laepple, T.

, Seierstad, I. K. , Severinghaus, J. P. , Steffensen, J. P. , Stowasser, C. , Svensson, A. , Vallelonga, P. , Vinther, B. M. , Wilhelms, F.

and Winstrup, M. (2013)
A first chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core ,

Climate of the Past, 9 (6), pp. 2713-2730 .

doi:https://doi.org/10.5194/cp-9-2713-2013 , hdl:10013/epic.42756

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Article

Freitag, J.

, Kipfstuhl, S. , Laepple, T.

and Wilhelms, F.

(2013)
Impurity-controlled densification: a new model for stratified polar firn ,

Journal of Glaciology, 59 (218), pp. 1163-1169 .

doi:https://doi.org/10.3189/2013JoG13J042 , hdl:10013/epic.42658

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Article

Svensson, A. , Bigler, M. , Blunier, T. , Clausen, H. B. , Dahl-Jensen, D. , Fischer, H. , Fujita, S. , Goto-Azuma, K. , Johnsen, S. J. , Kawamura, K. , Kipfstuhl, S. , Kohno, M. , Parrenin, F. , Popp, T. , Rasmussen, S. O. , Schwander, J. , Seierstad, I. , Severi, M. , Steffensen, J. P. , Udisti, R. , Uemura, R. , Vallelonga, P. , Vinther, B. M. , Wegner, A. , Wilhelms, F.

and Winstrup, M. (2013)
Direct linking of Greenland and Antarctic ice cores at the Toba eruption (74 ka BP) ,

Climate of the Past, 9 (2), pp. 749-766 .

doi:https://doi.org/10.5194/cp-9-749-2013 , hdl:10013/epic.41259

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Article

Dahl-Jensen, D. , Albert, M. R. , Aldahan, A. , Azuma, N. , Balslev-Clausen, D. , Baumgartner, M. , Berggren, A. M. , Bigler, M. , Binder, T. , Blunier, T. , Bourgeois, J. C. , Brook, E. J. , Buchardt, S. L. , Buizert, C. , Capron, E. , Chappellaz, J. , Chung, J. , Clausen, H. B. , Cvijanovic, I. , Davies, S. M. , Ditlevsen, P. , Eicher, O. , Fischer, H. , Fisher, D. A. , Fleet, L. G. , Gfeller, G. , Gkinis, V. , Gogineni, S. , Grinsted, A. , Goto-Azuma, K. , Gudlaugsdottir, H. , Guillevic, M. , Hansen, S. B. , Hansson, M. , Hirabayashi, M. , Hong, S. , Hur, S. D. , Huybrechts, P. , Hvidberg, C. S. , Jenk, T. , Iizuka, Y. , Johnsen, S. J. , Jones, T. R. , Jouzel, J. , Karlsson, N. B. , Kawamura, K. , Keegan, K. , Kettner, E. , Kipfstuhl, S. , Kjær, H. A. , Koutnik, M. , Kuramoto, T. , Köhler, P.

, Laepple, T.

, Landais, A. , Langen, P. L. , Larsen, L. B. , Leuenberger, D. , Leuenberger, M. , Leuschen, C. , Li, J. , Lipenkov, V. , Martinerie, P. , Maselli, O. J. , Masson-Delmotte, V. , McConnell, J. R. , Miller, H. , Mini, O. , Miyamoto, A. , Montagnat-Rentier, M. , Mulvaney, R. , Muscheler, R. , Paden, J. , Orsi, A. J. , Panton, C. , Pattyn, F. , Petit, J. R. , Pol, K. , Popp, T. , Possnert, G. , Prié, F. , Prokopiou, M. , Quiquet, A. , Rasmussen, S. O. , Raynaud, D. , Ren, J. , Reutenauer, C. , Ritz, C. , Röckmann, T. , Rosen, J. L. , Rubino, M. , Rybak, O. , Samyn, D. , Sapart, C. J. , Schilt, A. , Schmidt, A. M. Z. , Schüpbach, S. , Schwander, J. , Seierstad, I. , Severinghaus, J. P. , Sheldon, S. , Simonsen, S. B. , Sjolte, J. , Solgaard, A. M. , Sowers, T. , Sperlich, P. , Steen-Larsen, H. C. , Steffen, K. , Steffensen, J. P. , Steinhage, D.

, Stocker, T. F. , Stowasser, C. , Sturevik, A. S. , Sturges, W. T. , Sveinbjörnsdottir, A. , Svensson, A. , Tison, J. L. , Uetake, J. , Vallelonga, P. , van de Wal, R. S. W. , van der Wel, G. , Vaughn, B. H. , Vinther, B. , Waddington, E. , Wegner, A. , Weikusat, I.

, White, J. W. C. , Wilhelms, F.

, Winstrup, M. , Witrant, E. , Wolff, E. W. , Xiao, C. and Zheng, J. , NEEM community members (2013)
Eemian interglacial reconstructed from a Greenland folded ice core ,

Nature, 493 (7433), pp. 489-494 .

doi:https://doi.org/10.1038/nature11789 , hdl:10013/epic.40716

Article

Fischer, H. , Severinghaus, J. , Brook, E. , Wolff, E. , Albert, M. , Alemany, O. , Arthern, R. , Bentley, C. , Blankenship, D. , Chappellaz, J. , Creyts, T. , Dahl-Jensen, D. , Dinn, M. , Frezzotti, M. , Fujita, S. , Gallee, H. , Hindmarsh, R. , Hudspeth, D. , Jugie, G. , Kawamura, K. , Lipenkov, V. , Miller, H. , Mulvaney, R. , Parrenin, F. , Pattyn, F. , Ritz, C. , Schwander, J. , Steinhage, D. , van Ommen, T. and Wilhelms, F.

(2013)
Where to find 1.5 million yr old ice for the IPICS "Oldest-Ice" ice core ,

Climate of the Past, 9 (6), pp. 2489-2505 .

doi:https://doi.org/10.5194/cp-9-2489-2013 , hdl:10013/epic.42692

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Article

Smeets, C. , Boot, W. , Hubbard, A. , Pettersson, R. , Wilhelms, F.

, Van Den Broeke, M. and Van De Wal, R. (2012)
A wireless subglacial probe for deep ice applications ,

Journal of Glaciology, 58 (211), pp. 841-848 .

doi:https://doi.org/10.3189/2012JoG11J130 , hdl:10013/epic.42011

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Article

Steinhilber, F. , Abreu, J. A. , Beer, J. , Brunner, I. , Christl, M. , Fischer, H. , Heikkilä, U. , Kubik, P. W. , Mann, M. , McCracken, K. G. , Miller, H. , Miyahara, H. , Oerter, H. and Wilhelms, F.

(2012)
9,400 years of cosmic radiation and solar activity from ice cores and tree rings ,

Proc. of the National Academy of Sciences of the United States of America (PNAS), 109 (16), pp. 5967-5971 .

doi:https://doi.org/10.1073/pnas.1118965109 , hdl:10013/epic.39183

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Article

Drews, R. , Eisen, O.

, Steinhage, D.

, Weikusat, I.

, Kipfstuhl, S. and Wilhelms, F.

(2012)
Potential mechanisms for anisotropy in ice-penetrating radar data ,

Journal of Glaciology, 58 (209), pp. 613-624 .

doi:https://doi.org/10.3189/2012JoG11J114 , hdl:10013/epic.39222

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Article

Wilhelms-Dick, D. , Westerhold, T. , Röhl, U. , Wilhelms, F.

, Vogt, C. , Hanebuth, T. J. J. , Römmermann, H. , Kriews, M. and Kasten, S.

(2012)
A comparison of mm scale resolution techniques for element analysis in sediment cores ,

Journal of Analytical Atomic Spectrometry, 27 , pp. 1574-1584 .

doi:https://doi.org/10.1039/c2ja30148b , hdl:10013/epic.39908

Article

Fujita, S. , Holmlund, P. , Andersson, I. , Brown, I. , Enomoto, H. , Fujii, Y. , Fujita, K. , Fukui, K. , Furukawa, T. , Hansson, M. , Hara, K. , Hoshina, Y. , Igarashi, M. , Iizuka, Y. , Imura, S. , Ingwander, S. , Karlin, T. , Motoyama, H. , Nakazawa, F. , Oerter, H. , Sjöberg, L. E. , Sugiyama, S. , Surdyk, S. , Ström, J. , Uemura, R. and Wilhelms, F.

(2011)
Spatial and temporal variability of snow accumulation rate on the East Antarctic ice divide between Dome Fuji and EPICA DML ,

The Cryosphere, 5 , pp. 1057-1081 .

doi:https://doi.org/10.5194/tc-5-1057-2011 , hdl:10013/epic.38525

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Article

Hörhold, M. , Kipfstuhl, S. , Wilhelms, F.

, Freitag, J.

and Frenzel, A. (2011)
The densification of layered polar firn ,

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 116, F01001PP., 15 .

doi:https://doi.org/10.1029/2009JF001630 , hdl:10013/epic.37133

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Article

Fernandoy, F. , Meyer, H.

, Oerter, H. , Wilhelms, F.

, Graf, W. and Schwander, J. (2010)
Temporal and Spatial variation of stable-isotope ratios and accumulation rates in the hinterland of Neumayer station, East Antarctica ,

Journal of Glaciology, 56 (198), pp. 673-687 .

hdl:10013/epic.35784

Article

Opel, T.

, Fritzsche, D.

, Meyer, H.

, Schütt, R. , Weiler, K. , Ruth, U. , Wilhelms, F.

and Fischer, H. (2009)
115 year ice-core data from Akademii Nauk ice cap, Severnaya Zemlya: high-resolution record of Eurasian Arctic climate change ,

Journal of Glaciology, 55 (189), pp. 21-31 .

hdl:10013/epic.31835

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Article

Kipfstuhl, S. , Faria, S. H. , Azuma, N. , Freitag, J.

, Weikusat, I.

, Kaufmann, P. , Miller, H. , Weiler, K. and Wilhelms, F.

(2009)
Evidence of dynamic recrystallization in polar firn ,

Journal of Geophysical Research, 114, B05204. .

doi:https://doi.org/10.1029/2008JB005583 , hdl:10013/epic.34410

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Article

Oerter, H. , Drücker, C. , Kipfstuhl, S. and Wilhelms, F.

(2009)
Kohnen station - the drilling camp for the EPICA deep ice core in Dronning Maud Land ,

Polarforschung, 78 (1), pp. 1-23 .

hdl:10013/epic.32566

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Article

Drews, R. , Eisen, O.

, Weikusat, I.

, Kipfstuhl, S. , Lambrecht, A. , Steinhage, D.

, Wilhelms, F.

and Miller, H. (2009)
Layer disturbances and the radio-echo free zone in ice sheets ,

The Cryosphere, 3 , pp. 195-203 .

hdl:10013/epic.32675

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Article

Eisen, O.

, Hamann, I.

, Kipfstuhl, S. , Steinhage, D.

and Wilhelms, F.

(2007)
Direct evidence for continuous radar reflector originating from changes in crystal-orientation fabric {http://www.the-cryosphere.net/1/1/2007/tc-1-1-2007.html} ,

The Cryosphere, 1, 1-10{http://www.copernicus.org/EGU/tc/tc.html}, 2007 .

hdl:10013/epic.26807

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Article

Augustin, L. , Motoyama, H. , Wilhelms, F.

, Johnsen, S. , Hansen, S. B. , Talalay, P. and Vasiliev, N. (2007)
Drilling comparison in warm ice and drill design comparison ,

Annals of Glaciology, 47 , pp. 73-78 .

hdl:10013/epic.31458

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Article

Ruth, U. , Barnola, J. M. , Beer, J. , Bigler, M. , Blunier, T. , Castellano, E. , Fischer, H. , Fundel, F. , Huybrechts, P. , Kaufmann, P. , Kipfstuhl, S. , Lambrecht, A. , Morganti, A. , Oerter, H. , Parrenin, F. , Rybak, O. , Severi, M. , Udisti, R. , Wilhelms, F.

and Wolff, E. (2007)
EDML1: A chronology for the EPICA deep ice core from Dronning Maud Land, Antarctica, over the last 150 000 years ,

Climate of the Past, 3 , pp. 475-485 .

doi:https://doi.org/10.5194/cp-3-475-2007 , hdl:10013/epic.27069

Article

Johnsen, S. J. , Hansen, S. B. , Sheldon, S. G. , Dahl-Jensen, D. , Steffensen, J. P. , Augustin, L. , Journé, P. , Alemany, O. , Rufli, H. , Schwander, J. , Azuma, N. , Motoyama, H. , Popp, T. , Talalay, P. , Thorsteinsson, T. , Wilhelms, F.

and Zagorodnov, V. (2007)
The Hans Tausen drill: design, performance, further developments and some lessons learned ,

Annals of Glaciology, 47 , pp. 89-98 .

hdl:10013/epic.31459

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Article

Wilhelms, F.

, Sheldon, S. G. , Hamann, I.

and Kipfstuhl, S. (2007)
IMPLICATIONS FOR AND FINDINGS FROM DEEP ICE CORE DRILLINGS AN EXAMPLE: THE ULTIMATE TENSILE STRENGTH OF ICE AT HIGH STRAIN RATES ,

Physics and Chemistry of Ice (The proceedings of the International Conference on the Physics and Chemistry of Ice held at Bremerhaven, Germany on 23-28 July 2006) The Royal Society of Chemistry Special Publication No. 311, p., pp. 635-639 .

hdl:10013/epic.27669

Article

Murshed, M. M. , Faria, S. H. , Kuhs, W. F. , Kipfstuhl, S. and Wilhelms, F.

(2007)
The role of hydrochlorofluorocarbon densifiers in the formation of clathrate hydrates in deep boreholes and subglacial environments ,

Annals of Glaciology, 47 , pp. 109-114 .

hdl:10013/epic.31460

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Article

Eisen, O.

, Wilhelms, F.

, Steinhage, D.

and Schwander, J. (2006)
Improved method to determine radio-echo sounding reflector depths from ice-core profiles of permittivity and conductivity. ,

Journal of glaciology, 52 (177), pp. 299-310 .

hdl:10013/epic.20782

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Article

EPICA Community Members, T. , Barbante, C. , Barnola, J. M. , Becagli, S. , Beer, J. , Bigler, M. , Boutron, C. , Blunier, T. , Castellano, E. , Cattani, O. , Chappellaz, J. , Dahl-Jensen, D. , Debret, M. , Delmonte, B. , Dick, D. , Falourd, S. , Faria, S. , Federer, U. , Fischer, H. , Freitag, J.

, Frenzel, A. , Fritzsche, D.

, Fundel, F. , Gabrielli, P. , Gaspari, V. , Gersonde, R. , Graf, W. , Grigoriev, D. , Hamann, I.

, Hansson, M. , Hoffmann, G. , Hutterli, M. A. , Huybrechts, P. , Isaksson, E. , Johnsen, S. , Jouzel, J. , Kaczmarska, M. , Karlin, T. , Kaufmann, P. , Kipfstuhl, S. , Kohno, M. , Lambert, F. , Lambrecht, A. , Lambrecht, A. , Landais, A. , Lawer, G. , Leuenberger, M. , Littot, G. , Loulergue, L. , Lüthi, D. , Maggi, V. , Marino, F. , Masson-Delmotte, V. , Meyer, H.

, Miller, H. , Mulvaney, R. , Narcisi, B. , Oerlemans, J. , Oerter, H. , Parrenin, F. , Petit, J. R. , Raisbeck, G. , Raynaud, D. , Röthlisberger, R. , Ruth, U. , Rybak, O. , Severi, M. , Schmitt, J. , Schwander, J. , Siegenthaler, U. , Siggaard-Andersen, M. L. , Spahni, R. , Steffensen, J. P. , Stenni, B. , Stocker, T. F. , Tison, J. L. , Traversi, R. , Udisti, R. , Valero-Delgado, F. , van den Broeke, M. R. , van de Wal, R. S. W. , Wagenbach, D. , Wegner, A. , Weiler, K. , Wilhelms, F.

, Winther, J. G. and Wolff, E. (2006)
One-to-one coupling of glacial climate variability in Greenland and Antarctica ,

Nature, 444 (7116), pp. 195-198 .

doi:https://doi.org/10.1038/nature05301 , hdl:10013/epic.41684

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Article

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. , Wilhelms, F.

, Opel, T.

and Savatyugin, L. M. (2005)
A 275 year ice core record from Akademii Nauk ice cap, Severnaya Zemlya, Russian Arctic ,

Annals of Glaciology, 42 , pp. 361-366 .

doi:https://doi.org/10.3189/172756405781812862 , hdl:10013/epic.21167

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Article

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. , Wilhelms, F.

and Savatyugin, L. M. , Arctic and Antarctic Research Institute, St. Petersburg (2005)
Akademii Nauk ice cap, Severnaya Zemlya - an example of a glacier grown in Late Holocene ,

Materialy Glyatsiologicheskikh Issledovaniy, (99), pp. 32-34 .

hdl:10013/epic.91630da5-4709-4a9c-b7b5-5ab29f751992

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Article

Eisen, O.

, Rack, W. , Nixdorf, U. and Wilhelms, F.

(2005)
Characteristics of accumulation in the vicinity of the EPICA deep-drilling site in Dronning Maud Land, Antarctica ,

Annals of Glaciology, 41 , pp. 41-46 .

hdl:10013/epic.21131

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Article

Wilhelms, F.

(2005)
Explaining the dielectric properties of firn as a density-and-conductivity mixed permittivity (DECOMP) ,

Geophysical research letters, 32, L16501 .

doi:https://doi.org/10.1029/2005GL022808 , hdl:10013/epic.22547

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Article

Weiler, K. , Fischer, H. , Fritzsche, D.

, Ruth, U. , Wilhelms, F.

and Miller, H. (2005)
Glaciochemical reconnaissance of a new ice core from Severnaya Zemlya ,

Journal of Glaciology, 51 (172), pp. 64-74 .

doi:https://doi.org/10.3189/172756505781829629 , hdl:10013/epic.20389

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Article

Eisen, O.

, Nixdorf, U. , Wilhelms, F.

and Miller, H. (2004)
Age estimates of isochronous reflection horizons by combining ice core, survey, and synthetic radar data. ,

Journal of Geophysical Research-Solid Earth, 109, B04106 .

doi:https://doi.org/10.1029/2003JB002858 , hdl:10013/epic.14730

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Article

Oerter, H. , Graf, W. , Meyer, H.

and Wilhelms, F.

(2004)
The EPICA ice core from Dronning Maud Land: first results from stable-isotope measurements ,

Annals of Glaciology, 39 , pp. 307-312 .

hdl:10013/epic.19577

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Article

EPICA Community Members, Augustin, L. , Barbante, C. , Barnes, P. R. F. , Barnola, J. M. , Bigler, M. , Castellano, E. , Cattani, O. , Chappellaz, J. , Dahl-Jensen, D. , Delmonte, B. , Dreyfus, G. , Durand, G. , Falourd, S. , Fischer, H. , Flückiger, J. , Hansson, M. E. , Huybrechts, P. , Jugie, G. , Johnsen, S. J. , Jouzel, J. , Kaufmann, P. , Kipfstuhl, J. , Lambert, F. , Lipenkov, V. Y. , Littot, G. C. , Longinelli, A. , Lorrain, R. , Maggi, V. , Masson-Delmotte, V. , Miller, H. , Mulvaney, R. , Oerlemans, J. , Oerter, H. , Orombelli, G. , Parrenin, F. , Peel, D. A. , Petit, J. R. , Raynaud, D. , Ritz, C. , Ruth, U. , Schwander, J. , Siegenthaler, U. , Souchez, R. , Stauffer, B. , Steffensen, J. P. , Stenni, B. , Stocker, T. F. , Tabacco, I. E. , Udisti, R. , Wal, R. S. W. , Broeke, M. , Weiss, J. , Wilhelms, F.

, Winther, J. G. , Wolff, E. W. and Zucchelli, M. (2004)
Eight glacial cycles from an Antarctic ice core ,

Nature, 429 , pp. 623-628 .

doi:https://doi.org/10.1038/nature02599 , hdl:10013/epic.21106

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Article

Hofstede, C. , van de Wal, R. S. W. , Kaspers, K. A. , van den Broeke, M. R. , Karlöf, L. , Winther, J. G. , Isaksson, E. , Lappegard, G. , Mulvaney, R. , Oerter, H. and Wilhelms, F.

(2004)
Firn accumulation records for the past 1000 years on the basis of dielectric profiling of six cores from Dronning Maud Land, Antarctica ,

Journal of Glaciology, Vol. 50, No. 169, pp. 297-291 .

hdl:10013/epic.20163

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Article

North_Greenland_Ice-Core_Project_members, Andersen, K. K. , Azuma, N. , Barnola, J. M. , Bigler, M. , Biscaye, P. , Caillon, N. , Chappellaz, J. , Clausen, H. B. , Dahl-Jensen, D. , Fischer, H. , Flückiger, J. , Fritzsche, D.

, Fujii, Y. , Goto-Azuma, K. , Grønvold, K. , Gundestrup, N. S. , Hansson, M. , Huber, C. , Hvidberg, C. S. , Johnsen, S. J. , Jonsell, U. , Jouzel, J. , Kipfstuhl, S. , Landais, A. , Leuenberger, M. , Lorrain, R. , Masson-Delmotte, V. , Miller, H. , Motoyama, H. , Narita, H. , Popp, T. , Rasmussen, S. O. , Raynaud, D. , Röthlisberger, R. , Ruth, U. , Samyn, D. , Schwander, J. , Shoji, H. , Siggard-Andersen, M. L. , Steffensen, J. P. , Stocker, T. , Sveinbjörnsdottir, A. E. , Svensson, A. , Takata, M. , Tison, J. L. , Thorsteinsson, T. , Watanabe, O. , Wilhelms, F.

and White, J. (2004)
High-resolution record of the Northern Hemisphere climate extending into the last interglacial period ,

Nature, 431 , pp. 147-151 .

hdl:10013/epic.20716

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Article

Freitag, J.

, Wilhelms, F.

and Kipfstuhl, S. (2004)
Microstructure dependent densification of polar firn derived from X-ray microtomography ,

Journal of glaciology, 50, 169 , pp. 243-250 .

hdl:10013/epic.19834

Article

Rotschky, G. , Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Oerter, H. (2004)
Spatial distribution of surface mass balance on Amundsenisen plateau, Antarctica, derived from ice-penetrating radar studies ,

Annals of Glaciology, 39 , pp. 265-270 .

hdl:10013/epic.19549

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Article

Pinglot, J. F. , Vaikmae, R. , Kamiyama, K. , Igarashi, M. , Fritzsche, D.

, Wilhelms, F.

, Koerner, R. , Henderson, L. , Isaksson, E. , Winther, J. G. , van de Wahl, R. S. W. , Fournier, M. , Bouisset, P. and Meijer, H. A. J. (2003)
Ice cores from Arctic sub-polar glaciers: chronology and post-depositional processes deduced from radioactivity measurements ,

Journal of Glaciology:, 49 (164), pp. 149-158 .

hdl:10013/epic.16051

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Article

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Miller, H. (2003)
Identifying isochrones in GPR profiles from DEP-based forward modeling ,

Annals of Glaciology, 37 , pp. 344-350 .

hdl:10013/epic.15894

Article

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Miller, H. (2003)
Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling ,

Geophysical Research Letters, Vol. 30, No. 5 .

doi:https://doi.org/10.1029/2002GL016403 , hdl:10013/epic.16357

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Article

Drücker, C. , Wilhelms, F.

, Oerter, H. , Frenzel, A. , Gernandt, H. and Miller, H. (2002)
Design, transport, construction, and operation of the summer base Kohnen for ice-core drilling in Dronning Maud Land, Antarctica. ,

Ice drilling technology 2000 : Proceedings of the fifth International Workshop on Ice Drilling Technology, 30 October-1 November 2000, Nagaoka University of Technology, Nagaoka, pp. 302-312 .

hdl:10013/epic.14624

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Article

Eisen, O.

, Nixdorf, U. , Wilhelms, F.

and Miller, H. (2002)
Electromagnetic wave speed in polar ice: Validation of the CMP technique with high resolution dielectric-profiling and gamma-density measurements ,

Annals of Glaciology, 34 , pp. 150-156 .

hdl:10013/epic.14204

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Article

Thorsteinsson, T. , Sigurðsson, O. , Jóhannesson, T. , Larsen, G. and Wilhelms, F.

(2002)
Ice core drilling on the Hofsjökull ice cap ,

Jökull, 51 , pp. 25-41 .

hdl:10013/epic.19612

Article

Graf, W. , Oerter, H. , Reinwarth, O. , Stichler, W. , Wilhelms, F.

, Miller, H. and Mulvaney, R. (2002)
Stable-isotope records from Dronning Maud Land, Antarctica ,

Annals of Glaciology, 35 , pp. 195-201 .

doi:https://doi.org/10.3189/172756402781816492 , hdl:10013/epic.15025

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Article

Gundestrup, N. S. , Johnsen, S. J. , Hansen, S. B. , Shoji, H. , Talalay, P. and Wilhelms, F.

(2002)
Sticking deep ice core drills: Why and how to recover ,

Ice drilling technology 2000 : proceedings of the fifth International Workshop on Ice Drilling Technology, 30 October-1 November 2000, Nagaoka University of Technology, Nagaoka / Ed. by Nobuhiko Azuma and Yoshiyuki Fujii. (Memoirs of National Institute of, pp. 181-195 .

hdl:10013/epic.16266

Article

Fritzsche, D.

, Wilhelms, F.

, Savatyugin, L. M. , Pinglot, J. F. , Meyer, H.

, Hubberten, H. W. and Miller, H. (2002)
A new deep ice core from Academii Nauk ice cap, Severnaya Zemlya, Eurasian Arctic: first results ,

Annals of Glaciology, 35 , pp. 25-28 .

hdl:10013/epic.15677

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Article

Karlöf, L. , Winther, J. G. , Isaksson, E. , Kohler, I. , Pinglot, J. F. , Wilhelms, F.

, Hansson, M. , Holmlund, P. , Nyman, M. , Pettersson, R. , Stenberg, M. , Thomassen, M. P. A. , Veen, C. and van de Wal, R. S. W. (2000)
A 1500 years record of accumulation at Amundsenisen Western Dronning Maud Land, Antarctica, derived from electrical and radioactive measurements on a 120 m ice core ,

Journal of Geophysical Research, Vol. 105, No. D10, pp. 12, 471 .

hdl:10013/epic.12169

Article

Oerter, H. , Wilhelms, F.

, Jung-Rothenhäusler, F. , Göktas, F. , Miller, H. , Graf, W. and Sommer, S. (2000)
Accumulation rates in Dronning Maud Land, Antarctica, as revealed by dielectric-profiling measurements of shallow firn cores ,

Annals of Glaciology, 30 , pp. 27-34 .

hdl:10013/epic.12891

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Article

Huybrechts, P. , Steinhage, D.

, Wilhelms, F.

and Bamber, J. (2000)
Balance velocities and measured properties of the Antarctic ice sheet from a new compilation of gridded data for modelling ,

Annals of Glaciology, 30 , pp. 52-60 .

hdl:10013/epic.12070

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Article

Nixdorf, U. , Wilhelms, F.

and Eisen, O.

(2000)
Firnstrukturen aus Boden-EMR-Messungen in Dronning-Maud-Land, Antarktis / Forkmann, B. (editor) ,

Rundtischgespräch zum Them Radar: "Georadar - Erfahrungen und Perspektiven", Freiberg 30. Sep. - 1. Okt. 2000, Mitteilungen Sonderband I/2000, Deutsche Geophysiklische Gesellschaft, pp. 67-73 .

hdl:10013/epic.14638

Article

Sommer, S. , Appenzeller, C. , Röthlisberger, R. , Hutterli, M. A. , Stauffer, B. , Wagenbach, D. , Oerter, H. , Wilhelms, F.

, Miller, H. and Mulvaney, R. (2000)
Glacio-chemical study covering the past 2 kyr on three ice cores from Dronning Maud Land, Antarctica 1. annually resolved accumulation rates ,

Journal of Geophysical Research, Vol. 15, No. D24, pages 29, 411 .

doi:200JD900449 , hdl:10013/epic.14639

Article

Holmlund, P. , Gjerde, K. , Gundestrup, N. , Hansson, M. , Isaksson, E. , Karlöf, L. , Nyman, M. , Pettersson, R. , Pinglot, F. , Reijmer, C. H. , Stenberg, M. , Thomassen, M. , van de Wal, R. S. W. , Veen, C. , Wilhelms, F.

and Winther, J. G. (2000)
Spatial gradients in snow layering and 10 m temperatures at two epica-dml pre-site-survey drill sites ,

Annals of Glaciology, 30 , pp. 13-19 .

hdl:10013/epic.14637

Article

Oerter, H. , Graf, W. , Wilhelms, F.

, Minikin, A. and Miller, H. (1999)
Accumulation studies on Amundsenisen, Dronning Maud Land, by means of tritium, DEP and stable isotope measurements: first results from the 1995/96 and 1996/97 field seasons ,

Annals of Glaciology, 29 , pp. 1-9 .

hdl:10013/epic.12892

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Article

Gerland, S. , Oerter, H. , Kipfstuhl, J. , Wilhelms, F.

and Miller, H. (1999)
Continuous density log of a 181 metre long ice core from the summit of Berkner Island, Antarctica ,

Annals of Glaciology, 29 , pp. 215-219 .

hdl:10013/epic.11514

Article

Fischer, H. , Werner, M.

, Wagenbach, D. , Schwager, M. , Thorsteinnson, T. , Wilhelms, F.

, Kipfstuhl, J. and Sommer, S. (1998)
Little ice age clearly recorded in northern Greenland ice cores ,

Geophysical Research Letters, 25 (10), pp. 1749-1752 .

hdl:10013/epic.11410

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Article

Wilhelms, F.

, Kipfstuhl, J. , Miller, H. , Heinloth, K. and Firestone, J. (1998)
Precise dielectric profiling of ice cores: A new device with improved guarding and its theory ,

Journal of Glaciology, 44 (146), pp. 171-174 .

hdl:10013/epic.13979

Thesis

Thesis -Diplom

Wilhelms, F.

(1996)
Leitfähigkeits- und Dichtemessung an Eisbohrkernen / Measuring the Conductivity and Density of Ice Cores ,

Diplom thesis, Universität Bonn.

hdl:10013/epic.13978

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Conference

Conference -Talk

Eisen, O.

, Smith, E. C.

, Schannwell, C. , Eisermann, H. , Hattermann+, T. , Zeising, O. , Ötting, A. , Berger, S.

, Hofstede, C. , Drews, R. , Ehlers, T. , Mayer, C. , Lambrecht, A. , Gromig, R. , Kuhn, G.

, Tiedemann, R.

, Wilhelms, F.

, Läufer, A. , Franke, D. , Gaedicke, C. and Pattyn, F. (2020)
Relevance of field observations as boundary conditions for understanding ice-sheet-ocean interactions ,

Forum for Research into Ice Shelf Processes (FRISP), Virtual conference .

hdl:10013/epic.9a02710b-5b14-4bb4-bdbb-48102f3d817a

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Conference -Talk

Weikusat, I.

, Wallis, D. , Franke, S.

, Stoll, N.

, Westhoff, J. , Hansen, S. B. , Popp, T. J. , Wilhelms, F.

and Dahl-Jensen, D. (2020)
Issues with fracturing ice during an ice drilling project in Greenland (EastGRIP) ,

EGU General Assembly 2020, 4 May 2020 - 8 May 2020 .

doi:https://doi.org/10.5194/egusphere-egu2020-21768 , hdl:10013/epic.704fe3cc-c192-4696-90b3-dbfdeb2b5d47

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Conference -Invited talk

Mojtabavi, S.

, Wilhelms, F.

, Rasmussen, S. O. , Eisen, O.

, Franke, S.

, Jansen, D.

, Cook, E. , Davies, S. , Sinnl, G. , Skov Jensen, M. , Steinhage, D.

, Kipfstuhl, S. and Dahl-Jensen, D. (2020)
Physical properties of internal layers in Greenland ice sheet: measurements and modelling data analysis ,

The Sixth International Symposium on Arctic Research, Tokyo, Japan, 2 March 2020 - 6 March 2020 .

hdl:10013/epic.57f1601b-f2cc-4ed3-a031-be83c243a3fc

Conference -Talk

Mojtabavi, S.

, Wilhelms, F.

, Eisen, O.

, Franke, S.

, Jansen, D.

, Cook, E. , Davies, S. , Sinnl, G. , Skov Jensen, M. , Steinhage, D.

, Kipfstuhl, S. , Dahl-Jensen, D. and Rasmussen, S. O. (2019)
The establishment of a depth/age relationship dating back to 14,965 b2k from the EGRIP ice core and compression synthetic radar modelling and airborne radar around EGRIP drill site ,

Eastgrip Steering Committee Meeting 2019, Copenhagen, Denmark, 11 November 2019 - 15 November 2019 .

hdl:10013/epic.fc450b10-290a-4096-bca3-4d9ba674b083

Conference -Invited talk

Eichler, J. , Weikusat, C. , Wegner, A. , Twarloh, B. , Behrens, M.

, Hörhold, M. , Jansen, D.

, Kipfstuhl, S. , Wilhelms, F.

and Weikusat, I.

(2019)
Microparticles and crystal microstructure in polar ice sheets ,

2nd Japanese-American-German Frontiers of Science Symposium, Kyoto, Japan, 26 September 2019 - 29 September 2019 .

hdl:10013/epic.69c69cc1-4f2e-490b-81ca-52877bd5b19f

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Conference -Talk

Schlemmer, A. , tom Wörden, H. , Freitag, J.

, Fitschen, T. , Kerch, J.

, Schlomann, Y. , Hornung, D. , Weikusat, I.

, Parlitz, U. , Wilhelms, F.

and Luther, S. (2019)
Evaluation of the semantic research data management system CaosDB in glaciology ,

deRSE19 - Konferenz für ForschungssoftwareentwicklerInnen in Deutschland, Potsdam, Germany, 4 June 2019 - 6 June 2019 .

hdl:10013/epic.ad5019dc-ce77-4bcf-a861-d6bee0707777

Conference -Talk

Gromig, R. , Kuhn, G.

, Gaedicke, C. , Eisen, O.

, Smith, E.

, Dummann, W. , Gong, D. , Yazhou, L. , Fan, X. , Römpler, O. , Berger, S.

, Schubert, H. , Tiedemann, R.

, Wilhelms, F.

, Biskaborn, B. K.

, Koglin, N. , Läufer, A. , Franke, D. , Tell, J. and Talalay, P. G. (2019)
Investigating the seafloor below the Ekström Ice Shelf: the Sub-EIS-Obs project at East Antarctica’s continental margin ,

EGU General Assembly, Vienna, 7 April 2019 - 12 April 2019 .

hdl:10013/epic.c57290ba-0fee-414a-9ecf-94c07a2ea766

Preview

Conference -Poster

Wilhelms, F.

, Rix, J. , Lippmann, E. , Frenzel, A. , Kipfstuhl, S. , Hörhold, M. , Mojtabavi, S.

, Mulvaney, M. and Laepple, T.

(2019)
DiElectric Profiling with rapid access drilling: in-situ DEP in the borehole ,

8th International Ice Drill Symposium, Copenhagen, Denmark .

hdl:10013/epic.318ca1b2-085d-48b4-8197-7482a211ed12

Conference -Poster

Sinnl, G. , Rasmussen, S. O. , Cook, E. , Svensson, A. , Skov Jensen, M. , Erhardt, T. , Marie Jensen, C. , Mojtabavi, S.

, Wilhelms, F.

and Winstrup, M. (2019)
A first annual-layer-counted chronology for the EastGRIP ice core and the search for a precise dating for the Thera eruption ,

20th Congress of the International Union for Quaternary Research (INQUA), Dublin, Ireland, 2019 - unspecified .

hdl:10013/epic.96142db8-0b0a-4786-99cd-9cde26ccc088

Conference -Talk

Kuhn, G.

, Biskaborn, B. K.

, Eisen, O.

, Gaedicke, C. , Hattermann, T. , Hellmer, H.

, Koglin, N. , Klages, J. P.

, Smith, E.

, Tell, J. , Tiedemann, R.

, Wilhelms, F.

, Fan, X. and Talalay, P. G. (2018)
Preliminary results from pre-site surveys for deep geological drillingbelow Ekström Ice Shelf (Sub-EIS-Obs) ,

EGU General Assembly, Vienna, 8 April 2018 - 13 April 2018 .

hdl:10013/epic.8f538b2a-557c-40ae-99d3-4e6b4eed1d83

Preview

Conference -Poster

Mojtabavi, S.

, Wilhelms, F.

, Rasmussen, S. O. , Karlsson, N. B. and Kipfstuhl, S. (2018)
A first chronology for the East Greenland Ice core Project (EastGRIP) ,

EGU General Assembly 2018, Vienna, Austria, 8 April 2018 - 13 April 2018 .

hdl:10013/epic.d9d6a116-5eea-40c8-827b-76be245ace02

Conference -Poster

Eichler, J. , Kleitz, I. , Bayer, M.

, Jansen, D.

, Kipfstuhl, S. , Shigeyama, W. , Weikusat, C. , Wilhelms, F.

and Weikusat, I.

(2018)
Location and composition of micro-inclusions in deep ice from the EDML ice core (Antarctica) using optical microscope and cryo-Raman spectroscopy ,

14th International Conference on the Physics and Chemistry of Ice (PCI-2018 in Zürich), Zürich, 7 January 2018 - 12 January 2018 .

hdl:10013/epic.fd0ca8d6-00f8-433b-bf9d-4a5ea0af734b

Preview

Conference -Talk

Mojtabavi, S.

, Wilhelms, F.

and Rasmussen, S. O. (2018)
The East Greenland Ice core Project (EastGRIP) chronology ,

Eastgrip Steering Committee Meeting 2018, Copenhagen, Denmark, 12 November 2018 - 16 November 2018 .

hdl:10013/epic.0add06f3-719b-4df1-b40e-853db47f7d29

Conference -Poster

Kuhn, G.

, Eisen, O.

, Gaedicke, C. , Koglin, N. , Läufer, A. , Leitchenkov, G. , Smith, E.

, Tiedemann, R.

and Wilhelms, F.

(2018)
Pre-site Study for Deep Geological Drilling below Ekström Ice Shelf, Sub-EIS-Obs ,

POLAR2018 SCAR/IASC Open Science Conference, Davos, 19 June 2018 - 23 June 2018 .

hdl:10013/epic.586c0328-3059-4c48-a99c-34d2f503c29d

Preview

Conference -Invited talk

Wilhelms, F.

, Kipfstuhl, S. , Faria, S. H. , Weikusat, I.

, Dahl-Jensen, D. , Sheldon, S. G. , Oerter, H. and Miller, H. (2017)
Physical properties of ice sheets: implications for, and findings from a deep ice core drilling and logging ,

IceCube Polar Science Workshop – Neutrino-astronomy meets ice drilling and glaciology, Humboldt University, Berlin, 30 September 2017 - 30 September 2017 .

hdl:10013/epic.51760

Preview

Conference -Poster

Kuhn, G.

, Eisen, O.

, Franke, D. , Gaedicke, C. , Leitchenkov, G. , Meier, C. , Smith, E.

, Tiedemann, R.

and Wilhelms, F.

(2017)
Pre-site survey for deep drilling and new observations below Ekström Ice Shelf (Sub-EIS-Obs), Dronning Maud Land ,

Past Antarctic Ice Sheet Dynamics (PAIS) Conference of the Scientific Committee of Antarctic Research (SCAR), Trieste, 10 September 2017 - 15 September 2017 .

hdl:10013/epic.d6eb3905-335c-4bfc-817e-112e6cbe77e8

Preview

Conference -Talk

Kuhn, G.

, Eisen, O.

, Biskaborn, B. K.

, Franke, D. , Fromm, T.

, Gaedicke, C. , Leitchenkov, G. , Mayer, C. , Smith, E.

, Tiedemann, R.

and Wilhelms, F.

(2017)
Sedimentary sequences below the Ekström Ice Shelf, Dronning Maud Land, Antarctica: A pre-site survey for deep drilling (Sub-EIS-Obs) ,

GeoBremen2017, The System Earth and its Materials - from Seafloor to Summit, Universität Bremen, 24 September 2017 - 29 September 2017 .

hdl:10013/epic.c7afa4f6-18e4-41a8-a2c3-d53ea2dbc87f

Preview

Conference -Poster

Jansen, D.

, Weikusat, I.

, Kleiner, T.

, Wilhelms, F.

, Dahl-Jensen, D. , Frenzel, A. , Binder, T. , Eichler, J. , Faria, S. H. , Sheldon, S. , Panton, C. , Kipfstuhl, S. and Miller, H. (2017)
In situ-measurement of ice deformation from repeated borehole logging of the EPICA Dronning Maud Land (EDML) ice core, East Antarctica. ,

EGU General Assembly, Vienna, Austria, 23 April 2017 - 28 April 2017 .

hdl:10013/epic.87814fab-f7b3-47e7-8d38-6b9208325366

Preview

Conference -Poster

Mojtabavi, S.

and Wilhelms, F.

(2017)
Investigating the dielectric properties in the Talos Dome ice core ,

AWI PhD Days, Worpswede, Germany, 12 June 2017 - 15 July 2017 .

hdl:10013/epic.2ccad645-43cd-4dd8-88a2-15dd0c8ecbf1

Conference -Talk

Karlsson, N. , Eisen, O.

, Nielsen, L. T. , Kipfstuhl, S. , Freitag, J.

, Paden, J. , Dahl-Jensen, D. , Winter, A. and Wilhelms, F.

(2016)
Accumulation rates from central North Greenland during the past 700yr ,

EGU General Assembly 2016, Vienna, Austria, 17 April 2016 - 22 April 2016 .

hdl:10013/epic.47805

Conference -Poster

Karlsson, N. B. , Eisen, O.

, Nielsen, L. T. , Kipfstuhl, S. , Freitag, J.

, Paden, J. , Dahl-Jensen, D. , Winter, A. and Wilhelms, F.

(2016)
Accumulation rates from central North Greenland during the past 700 year ,

Second Open Science Conference of the International Partnerships in Ice Core Sciences (IPICS2016), Hobart, Australia, 17 March 2016 - 22 March 2016 .

hdl:10013/epic.47799

Conference -Invited talk

Bohleber, P. , Hackel, M. , Eisen, O.

, Wilhelms, F.

and Wagner, N. (2014)
A Multi-‐Method Approach to the Dielectric Properties of Natural Firn and Ice at kHZ- and Radio Frequencies ,

13th International Conference on the Physics and Chemistry of Ice (PCI- 2014), Hanover, NH, USA, 17 March 2014 - 20 March 2014 .

hdl:10013/epic.43266

Conference -Poster

Hackel, M. , Bohleber, P. , Eisen, O.

, Wilhelms, F.

, Preunkert, S. and Wagenbach, D. (2014)
Dielectric Profiling of two Alpine ice cores ,

AGM 2014, Innsbruck, Austria, 27 February 2014 - 28 February 2014 .

hdl:10013/epic.43269

Conference -Talk

Hofstede, C. , Petterson, R. , Fritzsche, D.

, Wilhelms, F.

and Hubbard, A. (2014)
Seismic data reveal subglacial ponding under the Greenland Ice Sheet ,

Workshop on the Dynamics and Mass Budget of Arctic Glaciers & the IASC Network on Arctic Glaciology Annual Meeting, Ottawa, Canada, 3 February 2014 - 5 February 2014 .

hdl:10013/epic.42944

Conference -Invited talk

Eisen, O.

, Bohleber, P. , Heilig, A. and Wilhelms, F.

(2013)
Dielectric properties of snow and ice in the MHz-range ,

ISEMA International conference on electromagnetic wave interaction with water and moist substances, Bauhaus University, Weimar, 25 September 2013 - 27 September 2013 .

hdl:10013/epic.42337

Conference -Poster

Toebe, K. , Wilhelms, F.

, Frickenhaus, S.

, Meyer, J. , John, U.

, Jürgens, J. and Helmke, E. (2013)
Exploration of microbial biodiversity in polar glacial ice ,

Jahrestagung der Vereinigung für Allgemeine und Angewandte Mikrobiologie (VAAM) zusammen mit der Koninklijke Nederlands Vereniging voor Microbiologie (KNVM), Congress Center Bremen and Messe Bremen, 10 March 2013 - 13 March 2013 .

hdl:10013/epic.41819

Conference -Poster

Oerter, H. , Kipfstuhl, S. and Wilhelms, F.

(2012)
Stable isotope studies on ice cores and snow pits in DML, Antarctica, covering the past 2000 years ,

AGU Fall Meeting, San Francisco, California, USA, 3 December 2012 - 7 December 2012 .

hdl:10013/epic.40525

Preview

Conference -Poster

Freitag, J.

, Kipfstuhl, S. , Klein, K. , Wegner, A. , Wilhelms, F.

and Bigler, M. (2012)
Shifts in the gas age scales of the EDML and EDC ice cores suggested by a new model for impurity controlled firn densification ,

IPICS International Partnerships in Ice Core Sciences, PresQuile de Giens, France, 1 October 2012 - 5 October 2012 .

hdl:10013/epic.42158

Conference -Invited talk

Freitag, J.

, Kipfstuhl, S. , Hörhold, M. , Wegner, A. , Wilhelms, F.

and Bigler, M. (2012)
Impurity controlled firn densification: a new model approach ,

PIRE Firn workshop, PresQuile de Giens, France, 29 September 2012 - 31 September 2012 .

hdl:10013/epic.42159

Conference -Poster

Oerter, H. , Kipfstuhl, S. and Wilhelms, F.

(2012)
Stable isotope records for the past 2000 years from ice cores in central Dronning Maud Land, Antarctica ,

XXXII SCAR Open Science Conference, Portland, Oregon, Hilton Hotel, 16 July 2012 - 19 July 2012 .

hdl:10013/epic.39810

Preview

Conference -Invited talk

Wilhelms, F.

, Fritzsche, D.

, Hansen, S. B. , Hilmarsson, S. , Grobe, H.

, Karsten, A. , Karsten, L. , Jaeschke, A. , Takata, M. , Jakobsdottir, S. S. , Lawer, G. , Gerasimoff, M. , Hörnby, K. , Jukschat, P. , Schärmeli, I. , Frenzel, A. , Lambrecht´, A. , Schmitt, J. , Kaszmarska, M. , Hoffmann, G. , Sheldon, S. G. , Trenke, M. , Miller, H. , Lambrecht, A. , Wilhelms-Dick, D. , Twarloh, B. , Valero-Delgado, F. , Karlin, T. and Kaufmann, P. (2012)
Deep drilling at Base Kohnen, Antarctica: results and future development ,

THIRD INTERNATIONAL SYMPOSIUM “POLAR EARTH SCIENCES AND EXPLORATION, Polar Research Center at Jilin University, Changchun, China, 4 May 2012 - 4 May 2012 .

hdl:10013/epic.42009

Preview

Conference -Poster

Vinther, B. M. , Clausen, H. B. , Kipfstuhl, S. , Fischer, h. , Bigler, M. , Oerter, H. , Wegner, A. , Wilhelms, F.

, Severi, M. , Udisti, R. , Beer, J. , Steinhilber, F. , Muscheler, R. , Rasmussen, S. O. and Svensson, A. (2012)
An annual layer counted EDML time scale covering the past 16700 years ,

EGU General Assembly 2012, Vienna, Austria, 23 April 2012 - 27 April 2012 .

hdl:10013/epic.39177

Preview

Conference -Talk

Oerter, H. , Kipfstuhl, S. and Wilhelms, F.

(2012)
Stable isotope records for the past 2000 years from ice cores in central Dronning Maud Land, Antarctica. ,

EGU General Assembly 2012, Vienna, Austria, 23 April 2012 - 27 April 2012 .

hdl:10013/epic.38935

Preview

Conference -Talk

Freitag, J.

, Kipfstuhl, S. , Hörhold, M. , Wegner, A. , Wilhelms, F.

and Bigler, M. (2012)
Impurity controlled firn densification ,

EGU Meeting, Vienna, 22 April 2012 - 27 April 2012 .

hdl:10013/epic.42161

Conference -Invited talk

Wilhelms, F.

(2012)
Kartierung der Eisschilde, Eiskernbohrungen und Klimarekonstruktion ,

Alfred Wegener Jubiläumsveranstaltung: Die Hypothese von der Drift der Kontinente wird 100 – Alfred WEGENERs Idee hat Geburtstag, Senckenberg-Museum (Frankfurt am Main), 6 January 2012 - 6 January 2012 .

hdl:10013/epic.42012

Preview

Conference -Invited talk

Drews, R. , Eisen, O.

, Steinhage, D.

, Martin, C. , Weikusat, I.

, Kipfstuhl, S. , Wilhelms, F.

and Miller, H. (2011)
Characterizing Halvfarryggen ice ridge (Antarctica) with electromagnetic techniques: The derivation of accumulation, topography and internal structure as input for an ice-flow model ,

Antarctic Glaciology Workshop, NPI, Tromsoe .

hdl:10013/epic.38315

Conference -Invited talk

Wilhelms, F.

(2011)
Schnee von gestern? Rekonstruktion vergangener Umweltbedingungen aus polaren Eisschilden! ,

Science Festival 2011, XLAB - Göttinger Experimentallabor für junge Leute e.V., 26. & 27.01.2011, Göttingen. .

hdl:10013/epic.36889

Preview

Conference -Invited talk

Wilhelms, F.

(2011)
Site Survey Methods in Glacial Ice Drilling ,

GESEP EARTH PROBING SCHOOL 2011, Münster, Germany. & 17. März .

hdl:10013/epic.37503

Preview

Conference -Poster

Oerter, H. , Wilhelms, F.

, Hansson, M. , Holmlund, P. , Ingwander, S. , Karlin, T. and Fujita, S. (2011)
Stable isotope content and snow accumulation between 1964 and 2007/08 along the ice divide from Kohnen-Station towards Dome Fuji, East Antarctica. ,

EGU General Assembly 2011, Vienna, Austria.-8. April 2011. .

hdl:10013/epic.37560

Preview

Conference -Talk

Oerter, H. , Kipfstuhl, S. and Wilhelms, F.

(2011)
Stable isotope records for the past 1000 years from five ice cores in Central Dronning Maud Land ,

XXV IUGG General Assembly, 28 June - 7 July 2011, Melbourne, Australia. .

hdl:10013/epic.38276

Preview

Conference -Talk

Oerter, H. , Kipfstuhl, S. , Meyer, H.

and Wilhelms, F.

(2011)
Stable isotope records for the past 2000 years from four (five) ice cores in central Dronning Maud Land, Antarctica ,

XVIII INQUA-Congress, BernJuly 2011. .

hdl:10013/epic.37117

Preview

Conference -Invited talk

Wilhelms, F.

(2010)
Struggling on opposite hemispheres: NGRIP and EPICA 1996-2006 70 years birthday colloquium of Prof. Dr. Sigfus Johnsen ,

Invited talk given Sigfús J. Johnsen´s 70´th Birthday Symposium - August 26- .

hdl:10013/epic.36879

Preview

Conference -Poster

Schmidt, K. , Wegner, A. , Weller, R.

, Twarloh, B. , Oerter, H. and Wilhelms, F.

(2009)
Analyses of firn cores of a pre-IPICS-campaign on its ionic and dust concentration ,

ESF-FWF Conference in Partnership with LFUI Mechanisms of Quaternary climate change: stability of warm phases in the past and in the future. .

hdl:10013/epic.32982

Preview

Conference -Invited talk

Wilhelms, F.

(2009)
How can ice science satisfy the public attention in a warmer world? ,

ILTS International Symposium Frontier of Low Temperature Science, 9.-10. November 2009, Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan. .

hdl:10013/epic.33580

Preview

Conference -Poster

Drews, R. , Bohleber, P. , Eisen, O.

, Steinhage, D.

, Weikusat, I.

, Wilhelms, F.

and Freitag, J.

(2009)
Imprints of air bubbles and crystal orientation fabric on RES signature ? ,

EGU 2009. .

hdl:10013/epic.33294

Preview

Conference -Talk

Hörhold, M. , Kipfstuhl, S. , Wilhelms, F.

and Freitag, J.

(2009)
Is the densification of polar firn abnormal ? ,

European Geosciences Union General Assembly 2009 Vienna, Austria 24 April 2009.. .

hdl:10013/epic.32064

Conference -Poster

Bohleber, P. , Drews, R. , Eisen, O.

, Gerhards, H. , Hoppe, M. , Wagenbach, D. and Wilhelms, F.

(2009)
A coaxial cell setup for measuring the dielectric permittivity of ice ,

EGU General Assembly 2009, Geophysical Research Abstracts Vol. 11.. .

hdl:10013/epic.31722

Conference -Poster

Opel, T.

, Fritzsche, D.

, Meyer, H.

, Schütt, R. , Ruth, U. , Fischer, H. , Weiler, K. and Wilhelms, F.

(2008)
A 1,500 year ice core record of Akademii Nauk ice cap (Severnaya Zemlya) Long term changes of climate, environment and aerosols in the Central Russian Arctic ,

Geophysical Research Abstracts, Vol. 10, EGU2008-A-07128, 2008. European Geosciences Union, General Assembly, 13-18 April 2008, Vienna, Austria. .

hdl:10013/epic.30216

Conference -Poster

Oerter, H. , Fernandoy, F. , Meyer, H.

, Wilhelms, F.

, Graf, W. and Stichler, W. (2008)
Accumulation and stable-isotope content in the hinterland of Neumayer station, Antarctica, since the IPY 1957/58. ,

SCAR-IASC Open Science Conference, St. Petersburg, Russland.-11.7.2008. .

hdl:10013/epic.30805

Preview

Conference -Talk

Eisen, O.

, Hamann, I.

, Kipfstuhl, J. , Steinhage, D.

and Wilhelms, F.

(2008)
Determining fabric orientations from the dependence of reflected energy on polarisation azimuth for a continuous internal reflector in Antarctica ,

Symposium on radioglaciology and its applications, Madrid, SpainJune 2008. .

hdl:10013/epic.31354

Conference -Invited talk

Helmke, E. , Töbe, K. , Wilhelms, F.

and Miller, H. (2008)
Exploration of microbial diversity in polar glacial ice and sub-glacial water ,

SCAR Open Science Conference, St Petersburg, Russia. .

hdl:10013/epic.31108

Conference -Poster

Bohleber, P. , Drews, R. , Eisen, O.

, Hamann, I.

, Kipfstuhl, S. , Steinhage, D.

and Wilhelms, F.

(2008)
Improved retrieval of paleoclimatic information from ice cores using physical properties ,

EPICA Open Science Conference, Venice, ItalyNovember 2008. .

hdl:10013/epic.31496

Conference -Poster

Opel, T.

, Fritzsche, D.

, Meyer, H.

, Schütt, R. , Fischer, H. , Wilhelms, F.

and Weiler, K. (2008)
Long term changes of climate, environment and aerosols in the Central Russian Arctic A 1.500 year ice core record of Akademii Nauk ice cap (Severnaya Zemlya) ,

23. Internationalen Polartagung der Deutschen Gesellschaft für Polarforschung, 10.-14.03.2008, Münster, Germany. .

hdl:10013/epic.28408

Conference -Conference paper

Opel, T.

, Fritzsche, D.

, Meyer, H.

, Schütt, R. , Fischer, H. , Wilhelms, F.

and Weiler, K. (2008)
Long term changes of climate, environment and aerosols in the Central Russian Arctic A 1.500 year ice core record of Akademii Nauk ice cap (Severnaya Zemlya) ,

Terra Nostra : Schriften der GeoUnion Alfred-Wegener-Stiftung .

hdl:10013/epic.33368

Conference -Poster

Drews, R. , Eisen, O.

, Hamann, I.

, Kipfstuhl, J. , Lambrecht, A. , Steinhage, D.

and Wilhelms, F.

(2008)
The origin of the echo-free zone ,

Symposium on radioglaciology and its applications, Madrid, SpainJune 2008. .

hdl:10013/epic.30668

Preview

Conference -Poster

Opel, T.

, Fritzsche, D.

, Schütt, R. , Meyer, H.

, Wilhelms, F.

, Weiler, K. , Ruth, U. and Fischer, H. (2007)
A 115 year high-resolution ice core record from Severnaya Zemlya, Central Russian Arctic ,

Geophysical Research Abstracts, Vol. 9, 06761, 2007. European Geosciences Union, General Assembly, 15-20 April 2007, Vienna, Austria. .

hdl:10013/epic.26569

Conference -Invited talk

Wilhelms, F.

(2007)
Deep ice cores: where we are and where we head to ,

Geophysikalisches Kolloquium, Universität Münster.07.2007. .

hdl:10013/epic.31906

Conference -Talk

Eisen, O.

, Wilhelms, F.

and Miller, H. (2007)
Ground-based surface mass balance patterns from radar in Antarctica as reference for space-borne sensing ,

IUGG XXIV General Assembly, Perugia, ItalyJuly. .

hdl:10013/epic.27610

Conference -Talk

Eisen, O.

, Steinhage, D.

and Wilhelms, F.

(2007)
Interne Reflektoren im Eisschild ,

Rundtischgespräch GEORADAR - Erfahrungen und Perspektiven 04.-05. Oktober 2007, Freiberg .

hdl:10013/epic.26584

Conference -Talk

Eisen, O.

, Wilhelms, F.

, Hamann, I.

, Kipfstuhl, S. , Steinhage, D.

and Miller, H. (2007)
Origin of internal radar reflectors at the EPCIA DML drill site - constraints for space-borne P-band radar ,

IUGG XXIV General Assembly, Perugia, ItalyJuly. .

hdl:10013/epic.27611

Conference -Poster

Eisen, O.

, Hamann, I.

, Kipfstuhl, S. , Steinhage, D.

and Wilhelms, F.

(2007)
Single radar reflector from fabric change at EPCIA DML drill site ,

European Geosciences Union General Assembly, Vienna, Austria, 15 20 April 2007, Geophysical Research Abstracts vol. 9. .

hdl:10013/epic.26113

Conference -Talk

Wilhelms, F.

, Freitag, J.

, Faria, S. H. , Oerter, H. , Miller, H. , Kipfstuhl, S. , Ruth, U. , Huybrechts, P. , Hamman, I. , Fritzsche, D.

, Lawer, G. , Frenzel, A. , Dick, D. , Karlin, T. , Kaufmann, P. , Lambrecht, A. , Rybak, O. , Twarloh, B. and Valero-Delgado, F. (2006)
Both EPICA cores completed: Is the little sister the elder one? ,

European Geosciences Union General Assembly 2006 Vienna, Austria 07 April 2006. .

hdl:10013/epic.25469

Conference -Poster

Wilhelms, F.

(2006)
Explaining the dielectric properties of firn as a density- and conductivity mixed permittivity (DECOMP) for geophysical applications ,

European Geosciences Union General Assembly 2006 Vienna, Austria 07 April 2006. .

hdl:10013/epic.25468

Conference -Talk

Wilhelms, F.

, Kipfstuhl, S. , Faria, S. H. , Hamann, I.

, Dahl-Jensen, D. , Sheldon, S. G. , Oerter, H. and Miller, H. (2006)
Physical properties of ice sheets implications for, and findings from deep ice core drilling ,

11th International Conference on the Physics and Chemistry of Ice PCI 2006 Bremerhaven, Germany, July 23rd28th .

hdl:10013/epic.25846

Conference -Talk

Miller, H. , Eckstaller, A. , Frenzel, A. , Wilhelms, F.

, Schwander, J. , Nixdorf, U. and Fritzsche, D.

(2006)
Seismometry in Deep Ice Core Boreholes: some case studies ,

EGU General Assembly,3.-7., April, Wien. .

hdl:10013/epic.25227

Conference -Invited talk

Wilhelms, F.

, Kriews, M. and Dick, D. (2006)
The physical properties of ice with respect to laser light for environmental and industrial applications. ,

WWW.BRIGHT.EU workshop, Cambridge, UK, July 7th .

hdl:10013/epic.25572

Conference -Invited talk

Wilhelms, F.

, Kriews, M. and Dick, D. (2006)
The physical properties of ice with respect to laser light for environmental and industrial applications. ,

WWW.BRIGHT.EU workshop, Cambridge, UK, July 7th .

hdl:10013/epic.25573

Conference -Conference paper

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. , Wilhelms, F.

and Savatyugin, L. M. (2005)
Akademii Nauk ice cap, Severnaya Zemlya - an example of a glacier grown in Late Holocene ,

Materialy Glyatsiologicheskikh Issledovaniy .

hdl:10013/epic.21489

Preview

Conference -Talk

Fritzsche, D.

, Schütt, R. , Opel, T.

, Meyer, H.

, Miller, H. and Wilhelms, F.

(2005)
Climate of North Siberia during the last 2500 years: an ice-core record from Akademii Nauk ice cap (Severnaya Zemlya) ,

22. Internationale Polartagung, 18-24 Sept., Jena, Germany. .

hdl:10013/epic.23060

Conference -Conference paper

Fritzsche, D.

, Schütt, R. , Opel, T.

, Meyer, H.

, Miller, H. and Wilhelms, F.

(2005)
Climate of North Siberia during the last 2500 years: an ice-core record from Akademii Nauk ice cap (Severnaya Zemlya) ,

Terra Nostra : Schriften der Alfred-Wegener-Stiftung .

hdl:10013/epic.33366

Conference -Poster

Eisen, O.

, Wilhelms, F.

, Steinhage, D.

and Schwander, J. (2005)
Geophysical constrains to improve synchronization of deep ice-core records ,

22. Internationale Polartagung, Deutsche Gesellschaft für Polarforschung, 18. bis 24. September 2005, Jena .

hdl:10013/epic.21888

Conference -Poster

Eisen, O.

, Wilhelms, F.

and Steinhage, D.

(2005)
Improving the dating accuracy and accumulation record of deep ice cores by geophysical constraints ,

ESF Research Conference on Polar Regions and Quaternary Climate, 24-29.09.2005, Acquafredda di Maratea, Italy. .

hdl:10013/epic.23851

Conference -Talk

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. , Wilhelms, F.

and Savatyugin, L. M. (2005)
A stable isotope record of an ice core from Akademii Nauk ice cap, Severnaya Zemlya, Russian Arctic ,

European Society for Isotope Research (ESIR) VIII Conference,25-30 June,Leipzig, Germany. .

hdl:10013/epic.23199

Conference -Invited talk

Wolff, E. W. , EPICA Community Members, Fischer, H. , Huybrechts, P. , Kipfstuhl, J. , Miller, H. , Oerter, H. and Wilhelms, F.

(2004)
8 glacial cycles from an Antarctic ice core ,

European Geosciences Union First General Assembly, NiceApril 2004. .

hdl:10013/epic.20815

Conference -Talk

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. , Wilhelms, F.

and Savatyugin, L. M. (2004)
Akademii Nauk ice cap, Severnaya Zemlya - example of a glacier grown in Late Holocene ,

Oral Presentation, XIII Glaciological Symposium,24-28 May, St. Petersburg, Russia. .

hdl:10013/epic.20878

Conference -Poster

Eisen, O.

, Nixdorf, U. and Wilhelms, F.

(2004)
Area-wide temporal characteristics of accumulation in the vicinity of the EPICA deep drilling site in Dronning Maud Land, Antarctica. ,

SCAR Open Science Conference, 25-31 July 2004, Bremen, Germany. .

hdl:10013/epic.20527

Conference -Poster

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. , Wilhelms, F.

and Savatyugin, L. M. (2004)
Late Holocene ice core record from Akademii Nauk ice cap, Severnaya Zemlya, Russian Arctic ,

Poster, International Symposium on Arctic Glaciology,2327 August 2004, Geilo, Norway. .

hdl:10013/epic.21129

Conference -Talk

Oerter, H. , Meyer, H.

, Lambrecht, A. , Wilhelms, F.

, Graf, W. and Stichler, W. (2004)
STABLE ISOTOPE RECORDS FROM DRONNING MAUD LAND: RESULTS FROM THE EPICA ICE CORE ,

SCAR Open Science Conference "Antarctica and the Southern Ocean in the Global System", 25-31 July, 2004, Bremen. .

hdl:10013/epic.20528

Conference -Talk

Eisen, O.

, Nixdorf, U. and Wilhelms, F.

(2004)
Spatial and temporal variability of accumulation at the EDML deep drilling site over the last millenium, derived from ice-penetrating radar ,

1st EGU General Assembly, 26 - 30 April, Nice, France,. .

hdl:10013/epic.20470

Conference -Poster

Freitag, J.

, Wilhelms, F.

and Kipfstuhl, S. (2004)
The influence of stratigraphic features on gas diffusion and pore close-off in dry polar firn ,

EGS-conference, 25-30 April, Nice, France. .

hdl:10013/epic.21564

Conference -Invited talk

Wilhelms, F.

(2004)
zum Thema Bohrer, EPICA ,

International Partnerships in Ice Core Sciences March 13-16Algonkian Regional Park Sterling, Virginia, USA. .

hdl:10013/epic.20143

Conference -Invited talk

Wilhelms, F.

(2004)
zum Thema Bohrer, EPICA ,

International Partnerships in Ice Core Sciences March 13-16Algonkian Regional Park Sterling, Virginia, USA. .

hdl:10013/epic.20144

Conference -Invited talk

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. and Wilhelms, F.

(2003)
724 m deep ice core from Akademii Nauk ice cap Severnaya Zemlya (Russian Arctic) - electrical conductivity measurements and isotopic record ,

10th Seoul International Symposium on Polar Sciences, Recent Approaches in Polar Earth Sciences, Incheon, Korea, 21 October 2003 - 23 October 2003 .

hdl:10013/epic.20071

Conference -Invited talk

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. and Wilhelms, F.

(2003)
724 m deep ice core from Akademii Nauk ice cap Severnaya Zemlya (Russian Arctic) - electrical conductivity measurements and isotopic record. ,

Invited lecture, 10th Seoul International Symposium on Polar Sciences, Recent Approaches in Polar Earth Sciences, October 21-23, 2003, Incheon, Korea. .

hdl:10013/epic.22477

Conference -Conference paper

Fritzsche, D.

, Schütt, R. , Meyer, H.

, Miller, H. and Wilhelms, F.

(2003)
724 m deep ice core from Akademii Nauk ice cap Severnaya Zemlya - electrical conductivity measurements and isotopic record ,

Oral presentation, Workshop on Arctic Glaciology and the MAGICs Annual Meeting, 22-26 Feb., Zakopane, Poland. Abstracts .

hdl:10013/epic.20888

Conference -Poster

Schütt, R. , Fritzsche, D.

, Meyer, H.

, Miller, H. , Wilhelms, F.

and Hubberten, H. W. (2003)
Auferstanden auf Ruinen - ein sibirisches Gletscherleben im Holozän ,

6. Deutsche Klimatagung - Klimavariabilität, 22.-25.9.2003, Potsdam. Abstract in Terra Nostra 2003/6, p. .

hdl:10013/epic.19978

Conference -Talk

Oerter, H. , Graf, W. , Meyer, H.

and Wilhelms, F.

(2003)
EPICA ice core Dronning Maud Land: First Results from Stable isotope Measurements ,

7th Internaional Symposium on Antarctic Glaciology, MilanoAug. 2003. .

hdl:10013/epic.18901

Conference -Poster

Oerter, H. , Graf, W. , Meyer, H.

, Lambrecht, A. and Wilhelms, F.

(2003)
EPICA ice core Dronning Maud Land: first results from stable isotope measurements back to the LGM ,

EuroConference Polar Regions and Quaternary Climate, San Feliu de Guixols, SpainOctober 2003. .

hdl:10013/epic.19463

Preview

Conference -Talk

Fritzsche, D.

, Schütt, R. , Wilhelms, F.

, Meyer, H.

, Weiler, K. , Hubberten, H. W. and Miller, H. (2003)
Holozäne Klimainformationen aus einem Eiskern von Severnaya Zemlya (russische Arktis) ,

21. Internationale Polartagung der Deutschen Gesellschaft für Polarforschung, 17.-22. März 2003, Kiel, Germany. Terra Nostra, Schriften der Alfred-Wegener Stiftung .

hdl:10013/epic.19427

Conference -Poster

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Miller, H. (2003)
Identifying isochrones in GPR profiles from DEP-based forward modelling ,

21. Internationale Polartagung, Kiel. .

hdl:10013/epic.19748

Conference -Talk

Eisen, O.

, Wilhelms, F.

, Steinhage, D.

, Nixdorf, U. and Miller, H. (2003)
Interpreting airborne ice penetrating radar data by ice core based numerical forward modeling ,

Seventh International Symposium on Antarctic Glaciology (ISAG-7), Milano, Italy, 25-29.8.2003. .

hdl:10013/epic.19546

Conference -Invited talk

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Miller, H. (2003)
Investigating the origin of shallow electromagnetic reflections in cold ice by finite-difference forward modeling ,

EGS 2003. .

hdl:10013/epic.16653

Conference -Talk

Eisen, O.

, Nixdorf, U. and Wilhelms, F.

(2003)
Numerische Untersuchungen elektromagnetischer Reflexionen in Eis und Ableitung der Akkumulation ,

GOCE/CryoSat-Workshop, 4.-5. November 2003, EADS Astrium, Immenstaad bei Friedrichshafen. .

hdl:10013/epic.20069

Conference -Poster

Freitag, J.

, Wilhelms, F.

and Kipfstuhl, S. (2003)
Particle size dependent densification rates lead to minimum in density fluctuations of polar firn ,

EGS-AGU-EUG, 7-11 April, Nice, France. .

hdl:10013/epic.19253

Conference -Poster

Oerter, H. , Graf, W. , Meyer, H.

and Wilhelms, F.

(2003)
Stable isotope records from Dronning Maud Land: Results from the EPICA ice core and the pre-site survey cores. ,

EGS-AGU-EUG Joint assembly, Session CL11.29 European Project for Ice Coring in Antarctica (EPICA), Nice, FranceApril 2003. .

hdl:10013/epic.16721

Conference -Conference paper

Fritzsche, D.

, Wilhelms, F.

, Pinglot, J. F. , Meyer, H.

, Schütt, R. , Weiler, K. , Savatyugin, L. M. , Miller, H. and Hubberten, H. W. (2002)
724-meter deep ice core from Academy of Sciences Ice Cap (Severnaya Zemlya) - accumulation rate, preliminary time scaling and data resolution ,

Climate Drivers of the North, Kiel, 8 May 2002 - 11 May 2002 .

hdl:10013/epic.16182

Conference -Poster

Oerter, H. , Fischer, H. , Kipfstuhl, J. , Rack, W. , Weller, R.

, Wilhelms, F.

and Graf, W. (2002)
Das Eis der Polargebiete als Klimaarchiv ,

GEO 2002. Planet Erde: Vergangenheit, Entwicklung, Zukunft.Gemeinschaftstagung von 13 wissenschaftlichen Gesellschaften der Festen Erde in der BRD, Würzburg.-5.10.2002. .

hdl:10013/epic.17891

Conference -Invited talk

Wilhelms, F.

(2002)
Die interne Struktur polarer Eiskappen: Bestimmung und Anwendung ,

Geophysikalisches Kolloquium, Institut fuer Geophysik der Westfaelischen Wilhelms-Universitaet, Muenster, Germany.05.2002. .

hdl:10013/epic.19606

Conference -Talk

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Miller, H. (2002)
Identification of shallow isochrones in DML from GPR surveys and numerical modeling ,

1st Joint EPICA/ITASE workshop, Potsdam. .

hdl:10013/epic.19746

Conference -Poster

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Oerter, H. (2002)
Identifying isochrones in GPR profiles from DEP-based forward modelling ,

International Symposium on Physical and Mechanical Processes in Ice in Relation to Glacier and Ice Sheet Modelling, Chamonix-Mont Blanc, France, 25.-31. August 2002. .

hdl:10013/epic.19744

Conference -Poster

Eisen, O.

, Wilhelms, F.

, Nixdorf, U. and Miller, H. (2002)
Identifying isochrones in GPR profiles from DEP-based forward modelling ,

Swiss Polar Research Summer School, Riederalp. .

hdl:10013/epic.19745

Conference -Talk

Fritzsche, D.

, Wilhelms, F.

, Savatyugin, L. M. , Pinglot, J. F. , Meyer, H.

, Hubberten, H. W. and Miller, H. , State Research Cente, Arctic and Antarctic Research Institute, 38 Beringa Street, 199397 St. Petersburg, Russia, Laboratoire de Glaciologie et Geophysique de du CNRS, Domaine Universitaire, 54 rue Moliere, B.P. 96, F-38402 Saint-Martin-d'Heres Cedex, France (2001)
A new deep ice core from Academy of Science ice cap, Severnaya Zemlya - first results ,

International Symposium on Ice Cores and Climate, Kangerlussuaq, Hotel and Conference Center, 19 August 2001 - 23 August 2001 .

hdl:10013/epic.3a5d45d6-900d-4aeb-88c5-bd15210a376a

Conference -Talk

Wilhelms, F.

, Oerter, H. , Frenzel, A. , Kipfstuhl, S. , Fritzsche, D.

and Miller, H. (2001)
DEP-gamma-density bench used during the EPICA Dronning Maud Land pre-site survey ,

Ice Cores and Climate, Kangerlussuaq, Greenland, 19 August 2001 - 23 August 2001 .

hdl:10013/epic.b80e7d06-7b6a-4845-8787-e1cb5b111ef5

Conference -Talk

Eisen, O.

, Nixdorf, U. , Wilhelms, F.

and Miller, H. (2001)
Electromagnetic wave speed in polar ice: Validation of the CMP technique with high resolution DEP and Gamma-density measurements ,

4th Symposium on Remote Sensing in Glaciology, Maryland. .

hdl:10013/epic.19742

Conference -Poster

Mieding, B. , Fischer, H. , Bigler, M. , Wilhelms, F.

and Kipfstuhl, S. (2001)
Reconstruction of seasonal variations in aerosol transport and deposition from chemical ice core records ,

IGS, 2001, Kangerlussuaq, Greenland. .

hdl:10013/epic.17798

Conference -Invited talk

Wilhelms, F.

(2000)
New DEP-Gamma-density bench tested during the EPICA Dronning Maud Land field Campaign 1997/8 - full theory for the design of future DEP benches and borehole probes ,

Fifth International Workshop on Ice Drilling Technology 30 October- 1 November 2000, Nagaoka University of technology, Nagoaka, Japan .

hdl:10013/epic.14631

Conference -Invited talk

Wilhelms, F.

, Kipfstuhl, S. , Oerter, H. , Drücker, C. , Gundestrup, N. , Augustin, L. and Miller, H. (2000)
Projected Drill and Science Trench for the deep drilling EPICA/Dronning Maud Land, Antarctica ,

International Conference on Ice-Drilling Technology 2000, Nagaoka University of Technology, Nagaoka, Japan, October 30 - Novermber 1 .

hdl:10013/epic.19607

Conference -Invited talk

Gundestrup, N. S. , Johnsen, S. J. , Hansen, S. B. , Shoji, H. , Talalay, P. and Wilhelms, F.

(2000)
Sticking deep ice core drills: Why and how to recover ,

International Conference on Ice-Drilling Technology 2000, Nagaoka University of Technology, Nagaoka, Japan, October 30 - November 1 .

hdl:10013/epic.19608

Conference -Invited talk

Drücker, C. , Wilhelms, F.

, Oerter, H. , Frenzel, A. , Gernandt, H. and Miller, H. (2000)
Transport, Construction, and Operation of the Summer Station for Ice-Drillig in Dronning Maud Land ,

International Workshop on Ice-Drilling Technology 2000, Nagaoka University of Technology, November 2000. .

hdl:10013/epic.17773

Conference -Poster

Fritzsche, D.

, Savatyugin, L. M. , Wilhelms, F.

, Pinglot, J. F. , Hubberten, H. W. , Meyer, H.

and Miller, H. (2000)
A new Holocene ice core record from Academy of Sciences ice cap, Severnaya Zemlya? ,

Quaternary Environment of the Eurasian North (QUEEN),4th Meeting Lund, Sweden Apr. 7-10 .

hdl:10013/epic.33975

Preview

Conference -Poster

Oerter, H. , Wilhelms, F.

, Jung-Rothenhäusler, F. , Göktas, F. , Miller, H. , Graf, W. and Sommer, S. (1999)
Accumulation rates in Dronning Maud Land as revealed by DEP measurements at shallow firn cores ,

European Research Conference "Polar Regions and Quaternary Climate. Towards High resolution records of the last climatic cycle - The Antarctic Perspective", Giens, FranceSept. 1999. .

hdl:10013/epic.17978

Conference -Talk

Oerter, H. , Wilhelms, F.

, Jung-Rothenhäusler, F. , Göktas, F. , Miller, H. , Graf, W. and Sommer, S. (1999)
Accumulation rates, isotope and major ions content in Dronning Maud Land, Antarctica, as revealed by snow pit studies and shollow firn cores ,

XXIV General Assembly European Geophysical Society (EGS): EISMINT/EPICA Symposium on Ice sheet modelling and deep ice drilling, Den Haag, The Netherlands.4.1999. .

hdl:10013/epic.17987

Conference -Poster

Huybrechts, P. , Steinhage, D.

and Wilhelms, F.

(1999)
Balance velocities and measured properties of the Antarctic ice sheet from a new compilation of gridded data for modeling ,

European Geophysical Society XXIV General Assembly, Den Haag (NL)April 1999. .

hdl:10013/epic.17540

Conference -Poster

Gerland, S. , Karlöff, L. , Wilhelms, F.

, Oerter, H. and Winther, J. G. (1999)
Comparison of density-depth variation in three Antarctic ice cores with different accumulation history ,

European Research Conference "Polar Regions and Quaternary Climate. Towards High resolution records of the last climatic cycle - The Antarctic Perspective", Giens, FranceSept. 1999. .

hdl:10013/epic.17980

Conference -Poster

Jung-Rothenhäusler, F. , Zahnen, N. , Wilhelms, F.

, Oerter, H. , Endlicher, W. and Miller, H. (1999)
Correlation between Antarctic dry snow properties and backscattering characteristics in RADARSAT imagery ,

XXIV General Assembly European Geophysical Society (EGS): EISMINT/EPICA Symposium on Ice sheet modelling and deep ice drilling, Den Haag, The Netherlands.4.1999. .

hdl:10013/epic.17991

Conference -Poster

Jung-Rothenhäusler, F. , Zahnen, N. , Oerter, H. , Steinhage, D.

, Nixdorf, U. , Wilhelms, F.

and Miller, H. (1999)
Management, integration and analysis of EPICA-data with the regional geoinformation system DML-GIS ,

XXIV General Assembly European Geophysical Society (EGS): EISMINT/EPICA Symposium on Ice sheet modelling and deep ice drilling, Den Haag, The Netherlands.4.1999. .

hdl:10013/epic.17988

Conference -Conference paper

Fritzsche, D.

, Savatyugin, L. , Ruth, U. , Wilhelms, F.

, Miller, H. and Hubberten, H. W. (1999)
A new ice core drilled on Academy of Sciences ice cap, Severnaya Zemlya - first results ,

Fifth Workshop on Russian-German Cooperation: Laptev Sea System, Stat Research Center - Arctic and Antarctic Research Institute, St. Petersburg, Russia, November 25-29, Terra Nostra, Alfred-Wegener-Stiftung .

hdl:10013/epic.14640

Conference -Conference paper

Wilhelms, F.

, Kipfstuhl, S. , Schwager, M. , Thorsteinsson, T. , Fritzsche, D.

, Firestone, J. and Miller, H. (1997)
Continous Physical Properties from the N-GRIP Ice Core ,

AGU Fall Meeting, San Francisco .

hdl:10013/epic.14634

Conference -Conference paper

Schwager, M. , Kipfstuhl, S. , Miller, H. , Thorsteinsson, T. , Wilhelms, F.

, Fischer, H. , Wagenbach, D. , Werner, M.

and Sommer, S. (1997)
The North Greenland Traverse 1993-1995 ,

AGU Fall Meeting, San Francisco .

hdl:10013/epic.14635

Conference -Invited talk

Wilhelms, F.

(1997)
Reise ins polare Eis ,

Abendvortrag im Kolloquium des astronomischen Arbeitskreis Kassel e.V. am 10.10.1997. .

hdl:10013/epic.23180

Conference -Conference paper

Jung-Rothenhäusler, F. , Kipfstuhl, S. , Schwager, M. , Wilhelms, F.

and Thorsteinsson, T. (1997)
Revised Accumulation Distribution in Northeast Greenland using Data from the AWI North Greenland Traverse 1993-95 ,

AGU Fall Meeting, San Francisco .

hdl:10013/epic.14636

Conference -Conference paper

Schwager, M. , Kipfstuhl, J. , Thorsteinsson, T. , Wilhelms, F.

, Miller, H. , Fischer, H. , Wagenbach, D. and Sommer, S. (1996)
The AWI North Greenland traverse, first results ,

Report of the 6th Workshop on Mass Balance and Related Topics of the Greenland Ice Sheet, Rapport 1996/53 (Olesen, O.B., ed. ) .

hdl:10013/epic.13463

Conference -Conference paper

Oerter, H. , Gerland, S. , Oerter, H. , Kipfstuhl, J. , Wilhelms, F.

and Frenzel, A. (1996)
Continous Density Measurementson the Ice Core B25 from Berkner Island, Antarctica ,

Filchner Ronne Ice Shelf Programme, Report no. 10 .

hdl:10013/epic.14632

Conference -Conference paper

Wilhelms, F.

and Kipfstuhl, J. (1996)
Die Nord-Grönland Traverse 1993-95 ,

18. Internationale Polartagung, Potsdam .

hdl:10013/epic.14647

Conference -Conference paper

Wilhelms, F.

, Kipfstuhl, S. and Miller, H. (1996)
An Electrical Densimeter for Polar Ice Cores ,

IX International Symposium on the Physics and Chemistry of Ice, Hanover, New Hampshire .

hdl:10013/epic.14641

Conference -Conference paper

Wilhelms, F.

, Kipfstuhl, J. , Miller, H. and Heinloth, K. (1996)
Elektirsche Leitfähigkeit an Eiskernen ,

18. Internationale Polartagung, Potsdam .

hdl:10013/epic.14644

Conference -Conference paper

Wilhelms, F.

, Kipfstuhl, J. , Miller, H. , Heinloth, K. , Schwager, M. and Firestone, J. (1996)
Gamma-Densimeter für Eiskerne ,

18. Internationale Polartagung, Potsdam .

hdl:10013/epic.14645

Conference -Conference paper

Schwager, M. , Firestone, J. , Kipfstuhl, J. , Miller, H. , Wilhelms, F.

and Sommer, S. (1996)
Intercomparison of Continous, High Resolution Measurements of Density, Electrical Conductivity and Chemistry ,

AGU Fall Meeting, San Francisco .

hdl:10013/epic.14633

Conference -Conference paper

Wilhelms, F.

, Schwager, M. , Firestone, J. , Kipfstuhl, J. , Miller, H. and Sommer, S. (1996)
Intercomparison of Continous, High Resolution Measurements of Density, Electrical Conductivity and Chemistry ,

IX International Symposium on the Physics and Chemistry of Ice, Hanover, New Hampshire .

hdl:10013/epic.14643

Conference -Poster

Gerland, S. , Oerter, H. , Kipfstuhl, J. , Frenzel, A. and Wilhelms, F.

(1996)
Kontinuierliche Dichtemessungen am Eiskern B25, Berkner Island, Antarktis ,

18. Internationale Polartagung der Deutschen Gesellschaft für Polarforschung, Potsdam.-22.3.1996 .

hdl:10013/epic.14646

Conference -Conference paper

Wilhelms, F.

, Kipfstuhl, S. and Miller, H. (1996)
Measuring the Dielectric Properties of Polar Ice Cores ,

IX International Symposium on the Physics and Chemistry of Ice, Hanover, New Hampshire .

hdl:10013/epic.14642

"Berichte zur Polar- und Meeresforschung"

"Berichte zur Polar- und Meeresforschung" Miscellaneous

Wilhelms, F.

(2007)
11th International Conference on the Physics and Chemistry of Ice (PCI-2006) Abstracts, Bremerhaven, Germany, 23-28 July 2006 ,

Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 549 , 214 p. .

doi:https://doi.org/10.2312/BzPM_0549_2007 , hdl:10013/epic.26252