Alfred-Wegener-Institut
Helmholtz-Zentrum für Polar-
und Meeresforschung

Imprint
Contact
OAI
RSS 2.0

EPIC.awi.de

Home

Browse
- Author
- Year
- Platform
- Organizations
- Programs
- Research Networks
- Type
Search
- Simple
- Advanced
About
Login
Login

Items where Author is "Hefter, Jens"

Up a level

Export as	RSS 2.0

Group by: Item Type | No Grouping

Jump to: Article | Inbook | Thesis | Conference | Field Report

Number of items: 80.

Article

Winterfeld, M. , Mollenhauer, G. , Dummann, W. , Köhler, P. , Lembke-Jene, L. , Meyer, V. D. , Hefter, J. , McIntyre, C. , Wacker, L. , Kokfelt, U. and Tiedemann, R. (2018)
Deglacial mobilization of pre-aged terrestrial carbon from degrading permafrost ,

Nature Communications, 9 (1), p. 3666 .

doi:https://doi.org/10.1038/s41467-018-06080-w , hdl:10013/epic.8e0d9607-54d7-4d96-80f3-ad30f2dabd15

Preview

Article

Crivellari, S. , Chiessi, C. M. , Kuhnert, H. , Häggi, C. , da Costa Portilho-Ramos, R. , Zeng, J. Y. , Zhang, Y. , Schefuß, E. , Mollenhauer, G. , Hefter, J. , Alexandre, F. , Sampaio, G. and Mulitza, S. (2018)
Increased Amazon freshwater discharge during late Heinrich Stadial 1 ,

Quaternary Science Reviews, 181 , pp. 144-155 .

doi:https://doi.org/10.1016/j.quascirev.2017.12.005 , hdl:10013/epic.9a96d0ba-2c1a-4db3-b72a-86c68717f9fa

Article

Lattaud, J. , Kirkels, F. , Peterse, F. , Freymond, C. V. , Eglinton, T. I. , Hefter, J. , Mollenhauer, G. , Balzano, S. , Villanueva, L. , van der Meer, M. T. J. , Hopmans, E. C. , Sinninghe Damsté, J. S. and Schouten, S. (2018)
Long-chain diols in rivers: distribution and potential biological sources ,

Biogeosciences, 15 (13), pp. 4147-4161 .

doi:https://doi.org/10.5194/bg-15-4147-2018 , hdl:10013/epic.03c56f90-d5e7-4980-aa1d-11ad0e798c9d

Article

Park, E. , Hefter, J. , Fischer, G. and Mollenhauer, G. (2018)
TEX86 in sinking particles in three eastern Atlantic upweling regimes ,

Organic Geochemistry, 120 , pp. 151-163 .

doi:https://doi.org/10.1016/j.orggeochem.2018.07.015 , hdl:10013/epic.0762fd02-c736-427f-9a0f-3fda7475b335

Article

Meyer, V. , Hefter, J. , Lohmann, G. , Max, L. , Tiedemann, R. and Mollenhauer, G. (2017)
Summer temperature evolution on the Kamchatka Peninsula, Russian Far East, during the past 20000years ,

Climate of the Past, 13 , pp. 359-377 .

doi:https://doi.org/10.5194/cp-13-359-2017 , hdl:10013/epic.50764

Article

Jaeschke, A. , Wengler, M. , Hefter, J. , Ronge, T. , Geibert, W. , Mollenhauer, G. , Gersonde, R. and Lamy, F. (2017)
A biomarker perspective on dust, productivity, and sea surface temperature in the Pacific sector of the Southern Ocean ,

Geochimica et Cosmochimica Acta, 204 , pp. 120-139 .

doi:https://doi.org/10.1016/j.gca.2017.01.045 , hdl:10013/epic.50665

Article

Hefter, J. , Naafs, B. D. A. and Zhang, S. (2017)
Tracing the source of ancient reworked organic matter delivered to the North Atlantic Ocean during Heinrich Events ,

Geochimica et Cosmochimica Acta, 205 , pp. 211-225 .

doi:https://doi.org/10.1016/j.gca.2017.02.008 , hdl:10013/epic.50974

Article

Fischer, G. , Karstensen, J. , Romero, O. E. , Baumann, K. H. , Donner, B. , Hefter, J. , Mollenhauer, G. , Iversen, M. , Fiedler, B. , Monteiro, I. and Körtzinger, A. (2016)
Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation ,

Biogeosciences, 13 , pp. 3203-3223 .

doi:https://doi.org/10.5194/bg-13-3203-2016 , hdl:10013/epic.48559

Article

Meyer, V. D. , Max, L. , Hefter, J. , Tiedemann, R. and Mollenhauer, G. (2016)
Glacial-to-Holocene evolution of sea surface temperature and surface circulation in the subarctic northwest Pacific and the Western Bering Sea ,

Paleoceanography, 31 (7), pp. 916-927 .

doi:https://doi.org/10.1002/2015PA002877 , hdl:10013/epic.48386

Article

Sun, S. , Schefuß, E. , Mulitza, S. , Chiessi, C. M. , Sawakuchi, A. O. , Zabel, M. , Baker, P. A. , Hefter, J. and Mollenhauer, G. (2016)
Origin and processing of terrestrial organic carbon in the Amazon system: lignin phenols in river, shelf, and fan sediments ,

Biogeosciences, 14 , pp. 2495-2512 .

doi:https://doi.org/10.5194/bg-14-2495-2017 , hdl:10013/epic.51430

Article

Hockun, K. , Mollenhauer, G. , Ho, S. L. , Hefter, J. , Ohlendorf, C. , Zolitschka, B. , Mayr, C. , Lücke, A. and Schefuß, E. (2016)
Using distributions and stable isotopes of n-alkanes to disentangle organic matter contributions to sediments of Laguna Potrok Aike, Argentina ,

Organic Geochemistry, 102 , pp. 110-119 .

doi:https://doi.org/10.1016/j.orggeochem.2016.10.001 , hdl:10013/epic.49113

Preview

Article

Winterfeld, M. , Goñi, M. , Just, J. , Hefter, J. and Mollenhauer, G. (2015)
Characterization of particulate organic matter in the Lena River delta and adjacent nearshore zone, NE Siberia – Part 2: Lignin-derived phenol compositions ,

Biogeosciences, 12 , pp. 2261-2283 .

doi:https://doi.org/10.5194/bg-12-2261-2015 , hdl:10013/epic.45416

Preview

Article

Kaiser, J. , Ruggieri, N. , Hefter, J. , Siegel, H. , Mollenhauer, G. , Arz, H. W. and Lamy, F. (2014)
Lipid biomarkers in surface sediments from the gulf of genoa, Ligurian sea (NW Mediterranean sea) and their potential for the reconstruction of palaeo-environments ,

Deep Sea Research Part I: Oceanographic Research Papers, 89 , pp. 68-83 .

doi:https://doi.org/10.1016/j.dsr.2014.04.009 , hdl:10013/epic.43707

Article

Naafs, B. D. A. , Hefter, J. , Gruetzner, J. and Stein, R. (2013)
Warming of surface waters in the mid-latitude North Atlantic during Heinrich events ,

Paleoceanography, 28 (1), pp. 153-163 .

doi:https://doi.org/10.1029/2012PA002354 , hdl:10013/epic.42644

Article

Naafs, B. D. A. , Hefter, J. and Stein, R. (2012)
Application of the long chain diol index (LDI) paleothermometer to the early Pleistocene (MIS 96) ,

Organic Geochemistry, 49 , pp. 83-85 .

doi:https://doi.org/10.1016/j.orggeochem.2012.05.011 , hdl:10013/epic.39708

Preview

Article

Naafs, B. D. A. , Hefter, J. , Acton, G. , Haug, G. H. , Martínez-Garcia, A. , Pancost, R. and Stein, R. (2012)
Strengthening of North American dust sources during the late Pliocene (2.7Ma) ,

Earth and Planetary Science Letters, 317-31 , pp. 8-19 .

doi:https://doi.org/10.1016/j.epsl.2011.11.026 , hdl:10013/epic.38646

Preview

Article

Naafs, B. D. A. , Hefter, J. , Ferretti, P. , Stein, R. and Haug, G. H. (2011)
Sea surface temperatures did not control the first occurrence of Hudson Strait Heinrich Events during MIS 16 ,

Paleoceanography, 26 (4) .

doi:https://doi.org/10.1029/2011PA002135 , hdl:10013/epic.38344

Preview

Article

Naafs, B. D. A. , Stein, R. , Hefter, J. , Khèlifi, N. , De Schepper, S. and Haug, G. H. (2010)
Late Pliocene changes in the North Atlantic Current ,

Earth and Planetary Science Letters, 298 (3), pp. 434-442 .

doi:https://doi.org/10.1016/j.epsl.2010.08.023 , hdl:10013/epic.38277

Preview

Article

Stein, R. , Hefter, J. , Grützner, J. , Voelker, A. and Naafs, B. D. A. (2009)
Variability of surface water characteristics and Heinrich‐like events in the Pleistocene midlatitude North Atlantic Ocean: Biomarker and XRD records from IODP Site U1313 (MIS 169) ,

Paleoceanography 24, PA2203 .

doi:https://doi.org/10.1029/2008PA001639 , hdl:10013/epic.33241

Article

Hefter, J. (2008)
Analysis of Alkenone Unsaturation Indices with Fast Gas Chromatography/Time-of-Flight Mass Spectrometry ,

Analytical Chemistry .

doi:https://doi.org/10.1021/ac702194m , hdl:10013/epic.30077

Article

Benthien, A. , Zondervan, I. , Engel, A. , Hefter, J. , Terbrüggen, A. and Riebesell, U. (2007)
Carbon isotopic fractionation during a mesocosm bloom experiment dominated by Emiliania huxleyi: Effects of CO2 concentration and primary production ,

Geochimica et cosmochimica acta, 71 (6), pp. 1528-1541 .

doi:https://doi.org/10.1016/j.gca.2006.12.015 , hdl:10013/epic.24570

Preview

Article

Birgel, D. , Stein, R. and Hefter, J. (2004)
Aliphatic lipids in recent sediments of the Fram Strait/Yermak Plateau (Arctic Ocean): Composition, sources and transport processes ,

Marine Chemistry, 88 , pp. 127-160 .

doi:https://doi.org/10.1016/j.marchem.2004.03.006 , hdl:10013/epic.19721

Preview

Article

Thiel, V. , Blumenberg, M. , Hefter, J. , Pape, T. , Pomponi, S. , Reed, J. , Reitner, J. , Wörheide, G. and Michaelis, W. (2002)
A chemical view of the most ancient metazoa - biomarker chemotaxonomy of hexactinellid sponges ,

Naturwissenschaften, 89 , pp. 60-66 .

doi:https://doi.org/10.1007/s00114-001-0284-9 , hdl:10013/epic.15804

Preview

Article

Mueller-Lupp, T. , Bauch, H. A. , Erlenkeuser, H. , Hefter, J. , Kassens, H. and Thiede, J. (2000)
Changes in the deposition of terrestrial organic matter on the Laptev Sea shelf during the Holocene: evidence from stable carbon isotopes ,

International Journal of Earth Sciences, 89 (3), pp. 563-568 .

doi:https://doi.org/10.1007/s005310000128 , hdl:10013/epic.15551

Preview

Article

Hefter, J. , Boucsein, B. and Stein, R. (2000)
Geochemistry of particulate organic matter in the water column and sediments ,

Berichte zur Polarforschung, 360 , pp. 79-83 .

hdl:10013/epic.17370

Article

Stein, R. , Boucsein, B. , Hefter, J. , Kraus, M. , Lau, N. , Schoster, F. , Simstich, J. and Weiel, D. (2000)
Marine Geology ,

Berichte zur Polarforschung, 360 , pp. 49-69 .

hdl:10013/epic.17094

Article

Seifert, R. , Delling, N. , Richnow, H. H. , Kempe, S. , Hefter, J. and Michaelis, W. (1999)
Ethylene and methane in the upper water column of the subtropical Atlantic ,

Biogeochemistry, 44 , pp. 73-91 .

hdl:10013/epic.16741

Preview

Article

Richnow, H. H. , Seifert, R. , Hefter, J. , Link, M. , Francke, W. , Schaefer, G. and Michaelis, W. (1997)
Organic pollutants associated with macromolecular soil organic matter: Mode of binding ,

Organic Geochemistry, 26 , pp. 745-758 .

hdl:10013/epic.16740

Preview

Article

Richnow, H. H. , Seifert, R. , Hefter, J. , Kästner, M. , Mahro, B. and Michaelis, W. (1994)
Metabolites of xenobiotica and mineral oil constituents linked to macromolecular organic matter in polluted environments ,

Organic Geochemistry, 22 , pp. 671-681 .

hdl:10013/epic.16735

Article

Hefter, J. , Thiel, V. , Jenisch, A. , Galling, U. , Kempe, S. and Michaelis, W. (1993)
Biomarker indications for microbial contribution to Recent and Late Jurassic carbonate deposits ,

Facies, 29 , pp. 93-106 .

hdl:10013/epic.16734

Article

Hefter, J. , Richnow, H. H. , Fischer, U. , Trendel, J. M. and Michaelis, W. (1993)
-(-)Verrucosan-2ß-ol from the phototrophic bacterium <i>Chloroflexus aurantiacus</i>: First report of a verrucosane-type diterpenoid from a prokaryote ,

Journal of General Microbiology, 139 , pp. 2757-2761 .

hdl:10013/epic.16733

Inbook

Lamy, F. , Prange, M. , Arz, H. W. , Varma, V. , Kaiser, J. , Kilian, R. , Hefter, J. , Benthien, A. and Mollenhauer, G. (2015)
The Southern Westerlies During the Holocene: Paleoenvironmental Reconstructions from Chilean Lake, Fjord, and Ocean Margin Sediments Combined with Climate Modeling / Schulz, M. and Paul, A. (editors) ,

In: Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC), Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC), Springer International Publishing .

doi:https://doi.org/10.1007/978-3-319-00693-2_13 , hdl:10013/epic.46096

Inbook

Richnow, H. H. , Eschenbach, A. , Hefter, J. , Kästner, M. , Mahro, B. , Seifert, R. and Michaelis, W. (1996)
Bildungsmechanismen von Bound Residues bei der biologischen Behandlung kontaminierter Böden ,

In: Cuno, M. (Hrsg.) Biologische und chemische Behandlung von PAK-haltigen Böden und Abwässern, Schriftenreihe Biologische Abwasserreinigung .

hdl:10013/epic.16739

Inbook

Hefter, J. , Hauke, V. , Richnow, H. H. and Michaelis, W. (1995)
Alkanoic subunits in sulfur-rich geomacromolecules: Information from stepwise chemical degradation and compound specific isotopic analysis ,

In: Vairavamurthy, M. (ed.) Geochemical Transformations of Sedimentary Sulfur. ACS Symposium Series, ISBN: 0-8412-3328-4 .

hdl:10013/epic.16737

Inbook

Hefter, J. , Richnow, H. H. , Seifert, R. and Michaelis, W. (1995)
<i>n</i>-Alkanoic compounds in sulphur-rich macromolecular substances: A detailed investigation of sulphur incorporation and cross-linking ,

In: Snape, C. (ed.): Composition, Geochemistry and Conversion of Oil Shales. NATO ASI Series C: Mathematical and Physical Sciences, ISBN: 0-7923-3343-8 .

hdl:10013/epic.16736

Thesis

Thesis -PhD

Hefter, J. (1997)
Biogeochemie löslicher und makromolekular gebundener organischer Verbindungen in Sedimenten, Erdölen und kontaminierten Böden ,

PhD thesis, Universität Hamburg.

hdl:10013/epic.16772

Thesis -Diplom

Hefter, J. (1992)
Biogeochemie rezenter Mikrobialithe ,

Diplom thesis, Universität Hamburg.

hdl:10013/epic.16771

Conference

Conference -Poster

Vorrath, M. E. , Müller, J. , Esper, O. , Mollenhauer, G. , Haas, C. , Hefter, J. and Lamy, F. (2018)
Evaluating the sea ice proxy IPSO25 at the Western Antarctic Peninsula ,

POLAR 2018, Davos, Swiss, 18 June 2018 - 23 June 2018 .

hdl:10013/epic.9d7fefe6-d289-4791-a95c-9cee085d3621

Preview

Conference -Talk

Mollenhauer, G. , Winterfeld, M. , Hefter, J. , Grotheer, H. , Kattein, L. and Pittauer, D. (2018)
No evidence for 20th century acceleration in mobilization of fossil carbon from thawing permafrost in the Lena River catchment ,

Radiocarbon 2018, Trondheim, Norway, 17 June 2018 - 22 June 2018 .

hdl:10013/epic.a9af56c1-db8a-4df1-9b2b-57fe05587a72

Conference -Poster

Gentz, T. , Bonk, E. , Hefter, J. , Grotheer, H. and Mollenhauer, G. (2018)
First year of routine measurements at the AWI MICADAS 14C dating facility. ,

23rd International Radiocarbon Conference, NTNU, 17 June 2018 - 22 June 2018 .

hdl:10013/epic.7f4cce6f-11db-4266-9921-aa5e14b3efef

Preview

Conference -Talk

Gentz, T. , Bonk, E. , Grotheer, H. , Hefter, J. and Mollenhauer, G. (2018)
Reasons for downtimes of the AWI-MICADAS. ,

23rd International Radiocarbon Conference, NTNU, 17 June 2018 - 22 June 2018 .

hdl:10013/epic.3501d754-30c5-4ea3-8166-a891994a4eeb

Preview

Conference -Talk

Grotheer, H. , Meyer, V. , Riedel, T. , Hefter, J. , Fritz, M. and Mollenhauer, G. (2018)
Assessing permafrost erosion in the Canadian Beaufort Sea, Herschel Island - A biomarker and radiocarbon approach ,

Gordon Research Conference Organic Geochemistry, Holderness, NH, USA, 28 June 2018 - 3 August 2018 .

hdl:10013/epic.772d6631-bc16-4348-89e9-fd9de4a63f48

Conference -Poster

Grotheer, H. , Gentz, T. , Kattein, L. , Hefter, J. and Mollenhauer, G. (2018)
Compound specific radiocarbon analysis at the AWI-MICADAS facility ,

Radiocarbon 2018, Trondheim, Norway, 17 June 2018 - 22 June 2018 .

hdl:10013/epic.8c0ba842-5f5e-451c-b09e-d4e723586174

Conference -Talk

Mollenhauer, G. , Winterfeld, M. , Meyer, V. , Köhler, P. , Dummann, W. , Grotheer, H. , Lembke-Jene, L. , Hefter, J. , McIntyre, C. , Wacker, L. , Haghipour, N. , Gersonde, R. and Tiedemann, R. (2018)
Mobilization of old terrestrial carbon caused by permafrost thawing, sea-level rise and ice-sheet melting during the last deglaciation ,

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

hdl:10013/epic.4bd16db3-994e-4b37-8bfd-838adad294eb

Conference -Poster

Gentz, T. , Bonk, E. , Hefter, J. , Grotheer, H. , Meyer, V. and Mollenhauer, G. (2017)
Establishment of routine sample preparation protocols at the newly installed MICADAS 14C dating facility at AWI ,

AMS 14 Conference, Ottawa, 14 August 2017 - 18 August 2017 .

hdl:10013/epic.51670

Preview

Conference -Poster

Meyer, V. , Sun, S. , Winterfeld, M. , Hefter, J. , Gentz, T. and Mollenhauer, G. (2017)
14C blank assessment and correction of small-scale compound-specific radiocarbon analysis on lipid biomarkers and lignin phenols ,

AMS14 Conference, Ottawa, Canada, 14 August 2017 - 18 August 2017 .

hdl:10013/epic.51672

Conference -Poster

Winterfeld, M. , Meyer, V. , Mollenhauer, G. , Dummann, W. , Köhler, P. , Hefter, J. , Lembke-Jene, L. , Wacker, L. , Mc Intyre, C. , Haghipour, N. , Tiedemann, R. , Gersonde, R. and Kokfelt, U. (2017)
Mobilization of old terrestrial carbon in the North Pacific realm caused by permafrost thawing, sea-level rise and ice-sheet melting during the last deglaciation ,

International Carbon Dioxide Conference, Interlaken, Switzerland, 21 August 2017 - 25 August 2017 .

hdl:10013/epic.51816

Conference -Talk

Mollenhauer, G. , Winterfeld, M. , Hefter, J. , Bodenstab, L. N. , Morgenstern, A. , Eulenburg, A. , Heim, B. , Koch, B. , Schefuß, E. , Moerth, C. M. and Rethemeyer, J. (2016)
Seasonal changes in particulate and dissolved organic matter composition and quality in the Lena River Delta ,

AGU Fall Meeting, San Francisco, 11 December 2016 - 16 December 2016 .

hdl:10013/epic.49404

Conference -Talk

Winterfeld, M. , Trojahn, S. , Hefter, J. , Pittauer, D. , Zubrzycki, S. , Han, P. , Rethemeyer, J. and Mollenhauer, G. (2016)
Sources of particulate organic matter discharged by the Lena River using lignin phenols ,

AGU Fall meeting, San Francisco, 11 December 2016 - 16 December 2016 .

hdl:10013/epic.49403

Conference -Talk

Mollenhauer, G. , Winterfeld, M. , Bodenstab, L. N. , Mörth, C. M. , Koch, B. , Heim, B. , Hefter, J. , Prokushkin, A. and Rethemeyer, J. (2016)
Arctic river organic carbon export through the ice-free season: isotopic and compositional analyses of DOM and POM collected in the Lena Delta between May and August 2014 ,

International Conference on Permafrost, Potsdam, 20 June 2016 - 24 June 2016 .

hdl:10013/epic.48234

Conference -Talk

Winterfeld, M. , Dummann, W. , Hefter, J. , Lembke-Jene, L. , Meyer, V. , McIntyre, C. , Wacker, L. , Tiedemann, R. and Mollenhauer, G. (2016)
Mobilization of old carbon during deglacial permafrost retreat in East Asia ,

XI. International Conference on Permafrost (ICOP), Potsdam, Germany, 20 June 2016 - 24 June 2016 .

hdl:10013/epic.50592

Conference -Talk

Mollenhauer, G. , Dummann, W. , Winterfeld, M. , Hefter, J. , Lembke-Jene, L. and Tiedemann, R. (2015)
Release of pre-aged terrestrial organic matter from the Amur watershed during deglacial permafrost thaw revealed by compound-specific 14C analysis ,

Goldschmidt Conference, Prague, 16 August 2015 - 21 August 2015 .

hdl:10013/epic.46672

Conference -Poster

Meyer, V. , Hefter, J. , Max, L. , Schefuß, E. , Tiedemann, R. and Mollenhauer, G. (2015)
Deglacial variations in provenance of terrigenous organic matter and temperature in the Northwest Pacific/western Bering Sea realm inferred from biomarkers ,

PAST Gateways Conference 2015, Potsdam, Germany, 18 May 2015 - 22 May 2015 .

hdl:10013/epic.48684

Conference -Talk

Winterfeld, M. , Goñi, M. , Just, J. , Hefter, J. , Sun, S. , Han, P. and Mollenhauer, G. (2015)
Sources and age of terrigenous organic matter exported from the Lena River watershed, NE Siberia ,

Goldschmidt Conference, Prague, 16 August 2015 - 21 August 2015 .

hdl:10013/epic.46764

Preview

Conference -Poster

Meyer, V. , Hefter, J. , Max, L. , Tiedemann, R. and Mollenhauer, G. (2015)
TEXL86 provides new insights into sea surface temperature evolution in the northwest Pacific and the Bering Sea during Heinrich Stadial 1 ,

International Meeting on Organic Geochemistry (IMOG), Prague, Czech Republic, 13 September 2015 - 18 September 2015 .

hdl:10013/epic.48685

Conference -Poster

Carreira, R. S. , Hefter, J. and Mollenhauer, G. (2015)
Tetraether lipids and TEX86-based temperature estimates: a case study on core-top sediments from two cross-shelf transects on the south-eastern Brazilian continental margin ,

International Meeting on Organic Geochemistry, Prague, 15 September 2015 - 18 September 2015 .

hdl:10013/epic.46724

Conference -Talk

Winterfeld, M. , Goñi, M. , Just, J. , Hefter, J. , Han, P. and Mollenhauer, G. (2014)
Characterization of terrestrial organic matter transported through the Lena River delta (NE Siberia) to its adjacent nearshore zone using lignin phenols, d13C, and ∆14C ,

American Geophysical Union Fall Meeting, San Francisco, CA, USA, 15 December 2014 - 19 December 2014 .

hdl:10013/epic.45662

Preview

Conference -Poster

Meyer, V. , Tiedemann, R. , Max, L. , Hefter, J. , Schefuß, E. and Mollenhauer, G. (2014)
Deglacial to Holocene biomarker records of terrigenous input and sea surface temperature in the NW Pacific and the western Bering Sea ,

Gordon Research Conference on Organic Geochemistry, New Hampshire, USA, 28 July 2014 - 1 August 2014 .

hdl:10013/epic.48683

Conference -Talk

Naafs, B. D. A. , Hefter, J. , Stein, R. and Haug, G. H. (2011)
Evidence for surface water warming in the IRD-belt during Heinrich Events ,

Interim Colloquium in Salamanca, Salamanca, Spain, September 2011 - unspecified .

hdl:10013/epic.39044

Preview

Conference -Talk

Naafs, B. D. A. , Hefter, J. , Zhang, S. and Stein, R. (2011)
Tracing the source of IRD in the Heinrich Layers of the North Atlantic ,

Goldschmidt conference 2011, Prague, Czech Republic, August 2011 - August 2011 .

hdl:10013/epic.39045

Preview

Conference -Poster

Hefter, J. , Stein, R. and Sinninghe Damsté, J. S. (2008)
The Biomarker Inventory, Trace, and Source of Heinrich Events and Heinrich-type Layers (MIS 8-16) in the North Atlantic. ,

IODP and ICDP Colloquium, Hannover/Germany, March 12-14 .

hdl:10013/epic.32099

Preview

Conference -Talk

Hefter, J. , Stein, R. and Sinninghe Damsté, J. S. (2008)
The Biomarker Inventory, Trace, and Source of North Atlantic Heinrich Events. ,

SCAR/IASC IPY Open Science Conference "Polar Research Arctic and Antarctic Perspectives in the International Polar Year": Abstract Volume 145-146, Saint Petersburg/Russia, July 08-11 .

hdl:10013/epic.32100

Conference -Invited talk

Hefter, J. , Stein, R. , Sinninghe Damsté, J. S. and Zhang, S. (2008)
The biomarker inventory, trace, and source of North Atlantic iceberg invasions during the past 700.000 years. ,

LECO Advanced International User Practise Workshop, Mönchengladbach/Germany, October 28-29 .

hdl:10013/epic.32101

Conference -Poster

Hefter, J. , Stein, R. and Sinninghe Damsté, J. S. (2007)
The Biomarker Inventory, Trace, and Source of Heinrich Events and Heinrich-type Layers (MIS 8-16) in the North Atlantic ,

Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract PP41C-0689. .

hdl:10013/epic.30021

Conference -Poster

Hefter, J. and Stein, R. (2007)
The Biomarker Trace of Heinrich Events (IODP Exp. 303/306) ,

IODP/ODP and ICDP Colloquium, Potsdam/Germany, March 19-21 .

hdl:10013/epic.26601

Conference -Invited talk

Hefter, J. and Stein, R. (2007)
The biomarker inventory, trace and source rock implications from Heinrich events (IODP Expedition 303/306) ,

Expeditions 303 & 306 2nd Post Expedition Meeting, May 14-17, Kona, Hawaii. .

hdl:10013/epic.32098

Preview

Conference -Poster

Hefter, J. and Stein, R. (2006)
Biomarker Compositions as Source Indicators of Heinrich Layers in the Northern North Atlantic (IODP Exp. 303/306, Site 1305) ,

Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract PP23D-1791. .

hdl:10013/epic.32597

Conference -Talk

Stein, R. , Grützner, J. , Hefter, J. , Kanamatsu, T. and Alvarez-Zarikian, C. (2006)
IODP Expedition 306: Quaternary and Late Neogene North Atlantic Paleoceanography ,

IODP/ODP and ICDP Colloquium, Greifswald/Germany, March 27-29 .

hdl:10013/epic.24638

Conference -Invited talk

Stein, R. , Gruetzner, J. , Hefter, J. , Kanamatsu, T. and Alvarez-Zarikian, C. (2006)
IODP Expedition 306: Quaternary and Late Neogene North Atlantic Paleoceanography ,

IODP-ICDP Kolloquium, 27-29 March, Greifswald, Germany. .

hdl:10013/epic.25023

Conference -Poster

Stein, R. , Hefter, J. , Channell, J. E. T. , Kanamatsu, T. , Sato, T. , Malone, M. and Zarikian, C. (2005)
Late Neogene-Quaternary variability in North Atlantic paleoceanography: Preliminary results from IODP Expeditions 303 and 306 ,

2nd Alfred Wegener Symposium, 30 Oct - 02 Nov, Bremerhaven, Germany, Terra Nostra .

hdl:10013/epic.24202

Conference -Poster

Benthien, A. , Riebesell, U. , Engel, A. , Zondervan, I. , Hefter, J. , Delille, B. , Harlay, J. and Jacquet, S. (2004)
Alkenone carbon isotopes during a bloom of Emiliania huxleyi: Effects of CO2 concentration and production. ,

8th International Conference on Paleoceanography (ICP VIII), 5-10 Sept., Biarritz, France .

hdl:10013/epic.22269

Conference -Poster

Kierdorf, C. , Hefter, J. and Stein, R. (2004)
Characterisation of the organic matter in surface sediments from the East Greenland continental margin ,

Bjerknes Centenary 2004, 01-03 September 2004, Bergen, Norway. .

hdl:10013/epic.21757

Preview

Conference -Talk

Stein, R. , Fahl, K. and Hefter, J. (2004)
Organic-carbon sources and variability in sediments from the southern Kara Sea (Arctic Ocean): organic-geochemical bulk parameter vs. biomarker records ,

EUG, 1st General Assembly, Nice, FranceApril 2004. .

hdl:10013/epic.22091

Conference -Poster

Weller, P. , Hefter, J. , Stein, R. and Kuhn, G. (2004)
Paleoproductivity and paleotemperature variability in the mid-Pleistocene southern South Atlantic: Implications from biomarker records (ODP-Site 1089) ,

European Geosciences Union, 1st General Assembly, 25-30 April, Nice, France. .

hdl:10013/epic.21422

Conference -Poster

Weller, P. , Hefter, J. and Stein, R. (2004)
Paleoproductivity, paleotemperature and terrigenous input in the mid-Pleistocene southern South Atlantic: Implications from biomarker records (ODP-Site 1089) ,

Euroforum for scientific drilling in Bremen (IODP/ODP/ICDP.-19.03.2004). .

hdl:10013/epic.20757

Preview

Conference -Poster

Benthien, A. , Zondervan, I. , Riebesell, U. , Engel, A. , Hefter, J. , Delille, B. , Harlay, J. and Jacquet, S. (2003)
Alkenone carbon isotopes during a bloom of Emiliania huxleyi: Effects of CO2 concentration and production. ,

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

hdl:10013/epic.22280

Conference -Poster

Kierdorf, C. , Birgel, D. , Hefter, J. and Stein, R. (2003)
Organic carbon and biomarkers in surface sediments: a comparison between the Fram Strait / Yermak Plateau and the East Greenland continental margin ,

Sediment 2003, 10-13 Jun., Wilhelmshaven, Germany. .

hdl:10013/epic.19922

Conference -Poster

Hefter, J. , Fahl, K. , Michaelis, W. and Stein, R. (1998)
Carbon isotopic and molecular characterization of sedimentary organic matter in the Late Quaternary Arctic Ocean ,

Eos, Transactions, American Geophysical Union,79,F501. .

hdl:10013/epic.17377

Preview

Conference -Invited talk

Hefter, J. , Hauke, V. , Steiner, U. and Michaelis, W. (1996)
Molecular characterization of organic matter in methane producing areas of the Baltic Sea ,

In: Giere, O. & Fischer, U. (eds.): Abstracts and Program of the Workshop on Processes and Structures in Marine Methane and Sulfide Biotopes .

hdl:10013/epic.16738

Field Report

Stein, R. , Drachev, S. , Fahl, K. , Hefter, J. , Kassens, H. , Kokina, N. , Matthießen, J. , Müller, C. , Musatov, E. , Mutterlose, J. , Nörgaard-Petersen, N. , Polozek, K. , Shevchenko, V. and Usbeck, R. (1999)
Marine Geological Investigations. - In Jokat, W. (ed.), ARCTIC ´98: The Expedition ARK-XIV/1a of RV "Polarstern" in 1998. ,

[Field Report]

hdl:10013/epic.19946

This list was generated on Sun Feb 17 05:32:07 2019 CET.

Alfred-Wegener-Institut
Helmholtz-Zentrum für Polar-
und Meeresforschung

Browse
- Author
- Year
- Platform
- Organizations
- Programs
- Research Networks
- Type
Search
- Simple
- Advanced
About

Imprint
Contact
OAI