Items where Author is "Willmes, Sascha"

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Article
von Albedyll, L. ORCID: https://orcid.org/0000-0002-6768-0368, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Hutter, N. ORCID: https://orcid.org/0000-0003-3450-9422, Murashkin, D. , Kaleschke, L. ORCID: https://orcid.org/0000-0001-7086-3299, Willmes, S. , Thielke, L. , Tian-Kunze, X. ORCID: https://orcid.org/0000-0001-8270-1924, Spreen, G. and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2024)
Lead fractions from SAR-derived sea ice divergence during MOSAiC / Howell, S. (editor) ,
The Cryosphere, 18 (3), pp. 1259-1285 .
doi:10.5194/tc-18-1259-2024 , hdl:10013/epic.0982aacc-2f75-48ba-bf08-c813c68cfebc
[thumbnail of tc-18-1259-2024 FINAL.pdf]
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Conference -Poster
Preußer, A. , Heinemann, G. , Schefczyk, L. and Willmes, S. (2023)
Improvement of MODIS-based winter sea-ice production estimates in Arctic polynyas by means of a model-based temperature adjustment scheme
doi:10.5281/zenodo.10671566 , hdl:10013/epic.9cb79967-31de-45ac-b013-9709018d53b9
[thumbnail of IGS2023_Preusser_MODIS_A0.pdf]
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Article
Creamean, J. M. , Barry, K. , Hill, T. C. , Hume, C. , DeMott, P. J. , Shupe, M. D. , Dahlke, S. ORCID: https://orcid.org/0000-0002-0395-9597, Willmes, S. , Schmale, J. , Beck, I. , Hoppe, C. J. ORCID: https://orcid.org/0000-0002-2509-0546, Fong, A. , Chamberlain, E. , Bowman, J. , Scharien, R. and Persson, O. (2022)
Author Correction: Annual cycle observations of aerosols capable of ice formation in central Arctic clouds ,
Nature Communications, 13 (1), p. 6010 .
doi:10.1038/s41467-022-33777-w , hdl:10013/epic.28ce22ed-1569-42f9-aaa6-b87c3cb0ea3f
[thumbnail of Author Correction Annual cycle observations of aerosols capable of ice formation in central Arctic clouds.pdf]
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Article
Creamean, J. M. , Barry, K. , Hill, T. C. J. , Hume, C. , DeMott, P. J. , Shupe, M. D. , Dahlke, S. ORCID: https://orcid.org/0000-0002-0395-9597, Willmes, S. , Schmale, J. , Beck, I. , Hoppe, C. J. M. ORCID: https://orcid.org/0000-0002-2509-0546, Fong, A. , Chamberlain, E. , Bowman, J. , Scharien, R. and Persson, O. (2022)
Annual cycle observations of aerosols capable of ice formation in central Arctic clouds ,
Nature Communications, 13 (1) .
doi:10.1038/s41467-022-31182-x , hdl:10013/epic.09a203db-e27e-4eca-9224-7df52db2f60c
[thumbnail of Creamean_etal2022.pdf]
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Article
Preußer, A. ORCID: https://orcid.org/0000-0003-0134-6890, Heinemann, G. , Schefczyk, L. and Willmes, S. (2022)
A Model-Based Temperature Adjustment Scheme for Wintertime Sea-Ice Production Retrievals from MODIS ,
Remote Sensing, 14 (9), p. 2036 .
doi:10.3390/rs14092036 , hdl:10013/epic.7a721655-c864-4529-b1c0-bbdaaa4abc76
[thumbnail of Preusseretal2022_remotesensing-14-02036.pdf]
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Article
Lavergne, T. , Kern, S. , Aaboe, S. , Derby, L. , Dybkjaer, G. , Garric, G. , Heil, P. , Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Holfort, J. , Howell, S. , Key, J. , Lieser, J. L. , Maksym, T. , Maslowski, W. , Meier, W. , Munoz-Sabater, J. , Nicolas, J. , Özsoy, B. , Rabe, B. ORCID: https://orcid.org/0000-0001-5794-9856, Rack, W. , Raphael, M. , de Rosnay, P. , Smolyanitsky, V. , Tietsche, S. , Ukita, J. , Vichi, M. , Wagner, P. , Willmes, S. and Zhao, X. (2022)
A New Structure for the Sea Ice Essential Climate Variables of the Global Climate Observing System ,
Bulletin of the American Meteorological Society .
doi:10.1175/BAMS-D-21-0227.1 , hdl:10013/epic.e19f23fe-09ff-4eec-882e-bf6a2a50f1dd

Conference -Talk
von Albedyll, L. ORCID: https://orcid.org/0000-0002-6768-0368, Murashkin, D. , Willmes, S. , Hutter, N. ORCID: https://orcid.org/0000-0003-3450-9422, Thielke, L. , Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Kaleschke, L. ORCID: https://orcid.org/0000-0001-7086-3299, Tian-Kunze, X. ORCID: https://orcid.org/0000-0001-8270-1924, Spreen, G. and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2022)
Same same, but different: Lead Fractions from divergence ,
ESA Living Planet Symposium 2022, Bonn, 23 May 2022 - 27 May 2022 .
hdl:10013/epic.96450021-1faa-4982-a8c0-61a25e456128
[thumbnail of 04_vonAlbedyll.pdf]
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Article
Krumpen, T. ORCID: https://orcid.org/0000-0001-6234-8756, von Albedyll, L. ORCID: https://orcid.org/0000-0002-6768-0368, Goessling, H. F. ORCID: https://orcid.org/0000-0001-9018-1383, Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Juhls, B. ORCID: https://orcid.org/0000-0002-5844-6318, Spreen, G. , Willmes, S. , Belter, H. J. , Dethloff, K. , Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500, Kaleschke, L. ORCID: https://orcid.org/0000-0001-7086-3299, Katlein, C. ORCID: https://orcid.org/0000-0003-2422-0414, Tian-Kunze, X. ORCID: https://orcid.org/0000-0001-8270-1924, Ricker, R. ORCID: https://orcid.org/0000-0001-6928-7757, Rostosky, P. , Rückert, J. , Singha, S. and Sokolova, J. (2021)
MOSAiC drift expedition from October 2019 to July 2020: sea ice conditions from space and comparison with previous years ,
The Cryosphere, 15 (8), pp. 3897-3920 .
doi:10.5194/tc-15-3897-2021 , hdl:10013/epic.0febefb2-546b-47e4-896b-7d9675182692
[thumbnail of tc-15-3897-2021.pdf]
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Article
Preußer, A. ORCID: https://orcid.org/0000-0003-0134-6890, Ohshima, K. I. , Iwamoto, K. , Willmes, S. and Heinemann, G. (2019)
Retrieval of Wintertime Sea Ice Production in Arctic Polynyas Using Thermal Infrared and Passive Microwave Remote Sensing Data ,
Journal of Geophysical Research: Oceans, 124 (8), pp. 5503-5528 .
doi:10.1029/2019jc014976 , hdl:10013/epic.8bd14c27-8bfb-4263-b301-c73fd93ba5ef
[thumbnail of JGR Oceans - 2019 - Preu er - Retrieval of Wintertime Sea Ice Production in Arctic Polynyas Using Thermal Infrared and.pdf]
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Conference -Poster
Arndt, S. ORCID: https://orcid.org/0000-0001-9782-3844, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X, Willmes, S. and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2017)
Seasonal transition of sea-ice and snow properties from remote sensing and in-situ measurements ,
Highlights aus der Helmholtz-Allianz „Fernerkundung und Dynamik des Erdsystems” und Zukunftsperspektiven durch Tandem-L, Berlin, Germany, 23 November 2017 - 23 November 2017 .
hdl:10013/epic.16b1ab83-e42e-4c96-93f5-5e2bba4ec21e
[thumbnail of 201711_hgf_eda_final_sarndt.pdf]
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PANGAEA Documentation
Preußer, A. , Heinemann, G. , Willmes, S. and Paul, S. (2016)
Circumpolar polynya regions in the Arctic (overview) ,
Bremerhaven, PANGAEA .
hdl:10013/epic.49190
[thumbnail of MODIS_era_2002-2015_allRegions.png]
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Article
Hellmer, H. H. ORCID: https://orcid.org/0000-0002-9357-9853, Rhein, M. , Heinemann, G. , Abalichin, J. , Abouchami, W. , Baars, O. , Cubasch, U. , Dethloff, K. , Ebner, L. , Fahrbach, E. , Frank, M. , Gollan, G. , Greatbatch, R. J. , Grieger, J. , Gryanik, V. M. , Gryschka, M. , Hauck, J. ORCID: https://orcid.org/0000-0003-4723-9652, Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Huhn, O. , Kanzow, T. , Koch, B. P. ORCID: https://orcid.org/0000-0002-8453-731X, König-Langlo, G. , Langematz, U. , Leckebusch, G. C. , Lüpkes, C. ORCID: https://orcid.org/0000-0001-6518-0717, Paul, S. ORCID: https://orcid.org/0000-0002-5136-714X, Rinke, A. , Rost, B. ORCID: https://orcid.org/0000-0001-5452-5505, van der Loeff, M. R. ORCID: https://orcid.org/0000-0003-1393-3742, Schröder, M. , Seckmeyer, G. , Stichel, T. , Strass, V. ORCID: https://orcid.org/0000-0002-7539-1400, Timmermann, R. , Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927, Ulbrich, U. , Venchiarutti, C. , Wacker, U. ORCID: https://orcid.org/0000-0002-0637-8130, Willmes, S. and Wolf-Gladrow, D. ORCID: https://orcid.org/0000-0001-9531-8668 (2016)
Meteorology and oceanography of the Atlantic sector of the Southern Ocean—a review of German achievements from the last decade ,
Ocean Dynamics, 66 (11 , pp. 1379-1413 .
doi:10.1007/s10236-016-0988-1 , hdl:10013/epic.48599
[thumbnail of Hellmer_etal_OD2016.pdf]
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Article
Arndt, S. ORCID: https://orcid.org/0000-0001-9782-3844, Willmes, S. , Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X and Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746 (2016)
Timing and regional patterns of snowmelt on Antarctic sea ice from passive microwave satellite observations ,
Journal of Geophysical Research: Oceans .
doi:10.1002/2015JC011504 , hdl:10013/epic.48385
[thumbnail of Arndt_et_al-2016-Journal_of_Geophysical_Research__Oceans.pdf]
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Conference -Talk
Arndt, S. ORCID: https://orcid.org/0000-0001-9782-3844, Willmes, S. , Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X and Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746 (2016)
Timing and regional patterns of snowmelt on Antarctic sea ice from passive microwave satellite observations ,
XXXIV SCAR Open Science Conference, Kuala Lumpur, Malaysia, 20 August 2016 - 30 August 2016 .
hdl:10013/epic.48392
[thumbnail of 20160822_talk_scar_sarndt_epic.pdf]
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Article
Hoppmann, M. ORCID: https://orcid.org/0000-0003-1294-9531, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Paul, S. ORCID: https://orcid.org/0000-0002-5136-714X, Hunkeler, P. A. , Heinemann, G. , Willmes, S. , Timmermann, R. , Boebel, O. ORCID: https://orcid.org/0000-0002-2259-0035, Schmidt, T. , Kühnel, M. , König-Langlo, G. and Gerdes, R. (2015)
Ice platelets below Weddell Sea landfast sea ice ,
Annals of Glaciology, 56 (69), pp. 175-190 .
doi:10.3189/2015AoG69A678 , hdl:10013/epic.44916
[thumbnail of t69a678.pdf]
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Conference -Poster
Arndt, S. ORCID: https://orcid.org/0000-0001-9782-3844, Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746 and Willmes, S. (2015)
Regional patterns of snowmelt on Antarctic sea ice based on passive microwave data ,
AGU Fall meeting, San Francisco, CA, USA, 14 December 2015 - 18 December 2015 .
hdl:10013/epic.46908
[thumbnail of 201512_poster_agu_sarndt_small.pdf]
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Conference -Poster
Arndt, S. ORCID: https://orcid.org/0000-0001-9782-3844, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X and Willmes, S. (2015)
Snowmelt detection on Antarctic sea ice based on passive microwave data ,
Internationale Polartagung, München, 6 September 2015 - 11 September 2015 .
hdl:10013/epic.46366
[thumbnail of 20150907_poster_polartagung_sarndt.pdf]
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Article
Paul, S. , Willmes, S. , Hoppmann, M. ORCID: https://orcid.org/0000-0003-1294-9531, Hunkeler, P. , Wesche, C. ORCID: https://orcid.org/0000-0002-9786-4010, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Heinemann, G. and Timmermann, R. (2015)
The impact of early-summer snow properties on Antarctic landfast sea-ice X-band backscatter ,
Annals of Glaciology, 56 (69), pp. 263-273 .
doi:10.3189/2015AoG69A715 , hdl:10013/epic.45622

Article
Willmes, S. , Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746 and Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 (2014)
The microwave emissivity variability of snow covered first-year sea ice from late winter to early summer: a model study ,
The Cryosphere, 8 (3), pp. 891-904 .
doi:10.5194/Tc-8-891-2014 , hdl:10013/epic.44378
[thumbnail of willmes-2014-tc-8-891-2014.pdf]
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Conference -Poster
Arndt, S. ORCID: https://orcid.org/0000-0001-9782-3844, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X and Willmes, S. (2014)
Detection and quantification of sea-ice melt ,
International Symposium on Sea ice in a Changing Environment, Hobart (Tasmania, Australia), 9 March 2014 - 14 March 2014 .
hdl:10013/epic.43287
[thumbnail of 201403_sarndt_IGS_poster_3.pdf]
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Conference -Poster
Hoppmann, M. ORCID: https://orcid.org/0000-0003-1294-9531, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Paul, S. ORCID: https://orcid.org/0000-0002-5136-714X, Willmes, S. , Heinemann, G. and Timmermann, R. (2013)
Sea-Ice Mass Balance Influenced by Ice Shelves ,
Koordinationsworkshop SPP Antarktisforschung, Bochum, 27 September 2013 - 29 September 2013 .
hdl:10013/epic.42766
[thumbnail of Poster_DFG_Bochum_small.pdf]
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Article
Dierking, W. ORCID: https://orcid.org/0000-0002-5031-648X, Linow, S. , Wesche, C. ORCID: https://orcid.org/0000-0002-9786-4010, Rack, W. , Hoppmann, M. ORCID: https://orcid.org/0000-0003-1294-9531 and Willmes, S. (2013)
TSX-Data for Studies of Snow on Ice Sheets And Sea Ice - Preliminary Results ,
5. TerraSAR-X / 4. Tandem-X Science Team Meeting .
hdl:10013/epic.42053
[thumbnail of TSX_Science_Meeting_2013_WD.pdf]
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Article
Krumpen, T. ORCID: https://orcid.org/0000-0001-6234-8756, Janout, M. ORCID: https://orcid.org/0000-0003-4908-2855, Hodges, K. I. , Gerdes, R. , Girard-Ardhuin, F. , Hölemann, J. ORCID: https://orcid.org/0000-0001-5102-4086 and Willmes, S. (2013)
Variability and trends in Laptev Sea ice outflow between 1992--2011 ,
The Cryosphere, 7 , pp. 1-15 .
doi:10.5194/tc-7-1-2013 , hdl:10013/epic.41130
[thumbnail of tc-2012-90-typeset_manuscript-version8.pdf]
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Conference -Poster
Hoppmann, M. ORCID: https://orcid.org/0000-0003-1294-9531, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Heinemann, G. , Willmes, S. , Paul, S. and Timmermann, R. (2012)
Sea-Ice Mass Balance Influenced by Ice Shelves ,
Koordinationsworkshop DFG-Schwerpunktprogramm 1158, Jena, 26 September 2012 - 28 September 2012 .
hdl:10013/epic.40156
[thumbnail of Poster_DFG_final.pdf]
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Other
Hoppmann, M. ORCID: https://orcid.org/0000-0003-1294-9531, Paul, S. ORCID: https://orcid.org/0000-0002-5136-714X, Hunkeler, P. , Baltes, U. , Kühnel, M. , Schmidt, T. , Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Heinemann, G. and Willmes, S. (2012)
Field work on Atka Bay land-fast sea ice in 2012/13
[Other]
hdl:10013/epic.42767
[thumbnail of SIMBIS_Neumayer_2012_EPIC.pdf]
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Conference -Talk
Krumpen, T. ORCID: https://orcid.org/0000-0001-6234-8756, Köberle, C. , Hendricks, S. ORCID: https://orcid.org/0000-0002-1412-3146, Rabenstein, L. , Willmes, S. and Gerdes, R. (2011)
Investigation Of Sea Ice Formation On Arctic Shelves By Means Of Helicopter-Borne Ice Thickness Measurements And Different Satellites ,
International Union of Geodesy and Geophysics (IUGG) General Assembly, Melbourne, Australia, 28 June 2011 - 7 July 2011 .
hdl:10013/epic.38550

Article
Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500 and Willmes, S. (2011)
Correction to "Evolution of first- and second-year snow properties on sea ice in the Weddell Sea during spring-summer transition (vol 114, D17109, 2009)" ,
Journal of Geophysical Research-Atmospheres .
doi:10.1029/2011jd016116 , hdl:10013/epic.42221
[thumbnail of Nicolaus-2011-JGR_correct.pdf]
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Article
Adams, S. , Willmes, S. , Heinemann, G. , Rozman, P. , Timmermann, R. and Schröder, D. (2011)
Evaluation of simulated sea-ice concentrations from sea-ice/ ocean models using satellite data and polynya classification methods ,
Polar Research, 30 (7124) .
doi:10.3402/polar.v30i0.7124 , hdl:10013/epic.43032

PANGAEA Documentation
Willmes, S. , Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500, Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Bareiss, J. and ORCID: https://orcid.org/0000-0003-0903-1746 (2009)
Onset dates of annual snowmelt on Antarctic sea ice, further details and pictures, doi:10.1594/PANGAEA.701389 ,
Bremerhaven, PANGAEA .
hdl:10013/epic.38813
[thumbnail of 1988-1989_momx.jpg]
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[thumbnail of 1989-1990_momx.jpg]
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PANGAEA Documentation
Haas, C. ORCID: https://orcid.org/0000-0002-7674-3500, Alexandrov, V. , Kern, S. , Lieser, J. , Lobach, J. , Martin, A. , Pfaffling, A. and Willmes, S. (2004)
Sea ice remote sensing, thickness profiling, and ice and snow analyses during Polarstern cruise Ark 19/1 / CryoVex2003 in the Barents Sea and Fram Strait, February 28 April 24, 2003: Cruise report ,
Alfred Wegener Institute Bremerhaven, Germany, Bremerhaven, PANGAEA, 29 p. .
hdl:10013/epic.32818
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