Items where Author is "Hefter, Jens"
Number of items: 90.
Article
Article
Mollenhauer, G. , Grotheer, H. , Gentz, T. , Bonk, E. and Hefter, J.
(2021)
Standard operation procedures and performance of the MICADAS radiocarbon laboratory at Alfred Wegener Institute (AWI), Germany
,
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms,
496
,
pp. 45-51
.
doi:https://www.doi.org/10.1016/j.nimb.2021.03.016
, hdl:
10013/epic.af698461-5a27-42d4-96a7-d97f8d4545d0
Article
Wei, B. , Mollenhauer, G. , Hefter, J. , Kusch, S. , Grotheer, H. , Schefuß, E. and Jia, G.
(2021)
The nature, timescale, and efficiency of riverine export of terrestrial organic carbon in the (sub)tropics: Insights at the molecular level from the Pearl River and adjacent coastal sea
,
Earth and Planetary Science Letters,
565
,
p. 116934
.
doi:https://www.doi.org/10.1016/j.epsl.2021.116934
, hdl:
10013/epic.c3f455f9-ee0b-4869-afbb-5562dbbcb5fd
Article
Wu, J.
ORCID: https://orcid.org/0000-0001-7618-6989, Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, Fahl, K.
ORCID: https://orcid.org/0000-0001-9317-4656, Syring, N.
ORCID: https://orcid.org/0000-0001-9012-2893, Nam, S. I. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X and Geibert, W.
ORCID: https://orcid.org/0000-0001-8646-2334
(2020)
Deglacial to Holocene variability in surface water
characteristics and major floods in the Beaufort Sea
,
Communications Earth & Environment,
1
(25),
pp. 1-12
.
doi:
10.1038/s43247-020-00028-z
, hdl:
10013/epic.21c5e5b3-0da4-4cb3-809f-5ac9db286ee5
Article
Sun, S. , Meyer, V. D. , Dolman, A. M. , Winterfeld, M. , Hefter, J. , Dummann, W. , McIntyre, C. , Montluçon, D. B. , Haghipour, N. , Wacker, L. , Gentz, T. , van der Voort, T. S. , Eglinton, T. I. and Mollenhauer, G.
(2020)
14C Blank Assessment in Small-Scale Compound-Specific Radiocarbon Analysis of Lipid Biomarkers and Lignin Phenols
,
Radiocarbon,
62
(1),
pp. 207-218
.
doi:https://www.doi.org/10.1017/rdc.2019.108
, hdl:
10013/epic.e38f6bb5-a4f3-4659-838c-619f7b1afe73
Article
Wei, B. , Mollenhauer, G. , Hefter, J. , Grotheer, H. and Jia, G.
(2020)
Dispersal and aging of terrigenous organic matter in the Pearl River Estuary and the northern South China Sea Shelf
,
Geochimica et Cosmochimica Acta,
282
,
pp. 324-339
.
doi:https://www.doi.org/10.1016/j.gca.2020.04.032
, hdl:
10013/epic.1a480f85-b5e5-46c1-8bc4-15862b174bed
Article
Romero, O. E. , Baumann, K. H. , Zonneveld, K. A. , Donner, B. , Hefter, J. , Hamady, B. , Pospelova, V. and Fischer, G.
(2020)
Flux variability of phyto- and zooplankton communities in the Mauritanian coastal upwelling between 2003 and 2008
,
Biogeosciences,
17
(1),
pp. 187-214
.
doi:https://www.doi.org/10.5194/bg-17-187-2020
, hdl:
10013/epic.553ac159-9c31-4930-8144-d9b861b7cb72
Article
Park, E. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Fischer, G. , Iversen, M.
ORCID: https://orcid.org/0000-0002-5287-1110, Ramondenc, S. , Nöthig, E. M.
ORCID: https://orcid.org/0000-0002-7527-7827 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(2019)
Seasonality of archaeal lipid flux and GDGT-based thermometry in sinking particles of high latitude regions: Fram Strait (79° N) and Antarctic Polar Front (50° S)
,
Biogeosciences
.
doi:
10.5194/bg-2019-34
, hdl:
10013/epic.62e322bd-cd4c-4af2-bbd1-7a3628544d20
Article
van Maldegem, L. M. , Sansjofre, P. , Weijers, J. W. , Wolkenstein, K. , Strother, P. K. , Wörmer, L. , Hefter, J. , Nettersheim, B. J. , Hoshino, Y. , Schouten, S. , Sinninghe Damsté, J. S. , Nath, N. , Griesinger, C. , Kuznetsov, N. B. , Elie, M. , Elvert, M. , Tegelaar, E. , Gleixner, G. and Hallmann, C.
(2019)
Bisnorgammacerane traces predatory pressure and the persistent rise of algal ecosystems after Snowball Earth
,
Nature Communications,
10
(1),
476-
.
doi:https://www.doi.org/10.1038/s41467-019-08306-x
, hdl:
10013/epic.913efb1f-95e7-45e8-8265-2a7238ff31ab
Article
Ceccopieri, M. , Carreira, R. S. , Wagener, A. L. , Hefter, J. and Mollenhauer, G.
(2019)
Branched GDGTs as Proxies in Surface Sediments From the South-Eastern Brazilian Continental Margin
,
Frontiers in Earth Science,
7
,
291-
.
doi:https://www.doi.org/10.3389/feart.2019.00291
, hdl:
10013/epic.94741a1a-3b83-4e82-81ae-674822b3fffb
Article
Häggi, C. , Schefuß, E. , Sawakuchi, A. O. , Chiessi, C. M. , Mulitza, S. , Bertassoli, D. J. , Hefter, J. , Zabel, M. , Baker, P. A. and Schouten, S.
(2019)
Modern and late Pleistocene particulate organic carbon transport by the Amazon River: Insights from long-chain alkyl diols
,
Geochimica et Cosmochimica Acta,
262
,
pp. 1-19
.
doi:https://www.doi.org/10.1016/j.gca.2019.07.018
Article
Meyer, V. D. , Hefter, J. , Köhler, P. , Tiedemann, R. , Gersonde, R. , Wacker, L. and Mollenhauer, G.
(2019)
Permafrost-carbon mobilization in Beringia caused by deglacial meltwater runoff, sea-level rise and warming
,
Environmental Research Letters,
14
(8),
085003-085003
.
doi:https://www.doi.org/10.1088/1748-9326/ab2653
, hdl:
10013/epic.ad252396-b701-48a2-b175-d44e34e9f85f
Article
Crivellari, S. , Chiessi, C. M. , Kuhnert, H. , Häggi, C. , Mollenhauer, G. , Hefter, J. , Portilho-Ramos, R. , Schefuß, E. and Mulitza, S.
(2019)
Thermal response of the western tropical Atlantic to slowdown of the Atlantic Meridional Overturning Circulation
,
Earth and Planetary Science Letters,
519
,
pp. 120-129
.
doi:https://www.doi.org/10.1016/j.epsl.2019.05.006
, hdl:
10013/epic.bf447ec8-b18e-4fd5-b3b7-6d4cb80aea52
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),
3666-
.
doi:https://www.doi.org/10.1038/s41467-018-06080-w
, hdl:
10013/epic.8e0d9607-54d7-4d96-80f3-ad30f2dabd15
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://www.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. , 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://www.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 upwelling regimes
,
Organic Geochemistry,
124
,
pp. 151-163
.
doi:https://www.doi.org/10.1016/j.orggeochem.2018.07.015
, hdl:
10013/epic.0762fd02-c736-427f-9a0f-3fda7475b335
Article
Meyer, V. D. , 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 20 000 years
,
Climate of the Past,
13
(4),
pp. 359-377
.
doi:https://www.doi.org/10.5194/cp-13-359-2017
, hdl:
10013/epic.50764
Article
Jaeschke, A. , Wengler, M. , Hefter, J. , Ronge, T. A. , 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://www.doi.org/10.1016/j.gca.2017.01.045
, hdl:
10013/epic.50665
Article
Sun, S. , Schefuß, E. , Mulitza, S. , Chiessi, C. M. , Sawakuchi, A. O. , Zabel, M. , Baker, P. A. , Hefter, J. and Mollenhauer, G.
(2017)
Origin and processing of terrestrial organic carbon in the Amazon system: lignin phenols in river, shelf, and fan sediments
,
Biogeosciences,
14
(9),
pp. 2495-2512
.
doi:https://www.doi.org/10.5194/bg-14-2495-2017
, hdl:
10013/epic.51430
Article
Fischer, G. , Karstensen, J. , Romero, O. , 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
(11),
pp. 3203-3223
.
doi:https://www.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://www.doi.org/10.1002/2015pa002877
, hdl:
10013/epic.48386
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://www.doi.org/10.1016/j.orggeochem.2016.10.001
, hdl:
10013/epic.49113
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://www.doi.org/10.1016/j.dsr.2014.04.009
, hdl:
10013/epic.43707
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://www.doi.org/10.1016/j.epsl.2011.11.026
, hdl:
10013/epic.38646
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://www.doi.org/10.1029/2011pa002135
, hdl:
10013/epic.38344
Article
Naafs, B. D. A. , Stein, R. , Hefter, J. , Khélifi, N. , De Schepper, S. and Haug, G. H.
(2010)
Late Pliocene changes in the North Atlantic Current
,
Earth and Planetary Science Letters,
298
(3-4),
pp. 434-442
.
doi:https://www.doi.org/10.1016/j.epsl.2010.08.023
, hdl:
10013/epic.38277
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 16-9)
,
Paleoceanography,
24
(2),
n/a-n/a
.
doi:https://www.doi.org/10.1029/2008pa001639
, hdl:
10013/epic.33241
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://www.doi.org/10.1016/j.gca.2006.12.015
, hdl:
10013/epic.24570
Article
Stein, R. , Kanamatsu, T. , Alvarez-Zarikian, C. , Higgins,, S. M. , Channell, J. E. , Aboud, E. , Ohno, M. , Acton, G. D. , Akimoto, K. , Bailey, I. , Bjørklund, K. R. , Evans, H. , Nielsen, S. H. , Fang, N. , Ferretti, P. , Gruetzner, J. , Guyodo, Y. J. , Hagino, K. , Harris, R. , Hatakeda, K. , Hefter, J. , Judge, S. A. , Kulbanek, D. K. , Nanayama, F. , Rashid, H. , Sierro Sanchez, F. J. , Voelker, A. and Zhai, Q.
(2006)
North Atlantic paleoceanography: The last five million years
,
Eos, Transactions American Geophysical Union,
87
(13),
p. 129
.
doi:https://www.doi.org/10.1029/2006eo130002
, hdl:
10013/epic.24201
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
(2),
pp. 60-66
.
doi:https://www.doi.org/10.1007/s00114-001-0284-9
, hdl:
10013/epic.15804
Article
Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, Boucsein, B. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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
(1),
pp. 73-91
.
doi:https://www.doi.org/10.1023/a:1006090917059
, hdl:
10013/epic.16741
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
(3-5),
671-IN10
.
doi:https://www.doi.org/10.1016/0146-6380(94)90132-5
, 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
(1),
pp. 93-105
.
doi:https://www.doi.org/10.1007/bf02536922
, hdl:
10013/epic.16734
Inbook
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,
ISBN: 9783319006925
.
doi:https://www.doi.org/10.1007/978-3-319-00693-2_13
, hdl:
10013/epic.46096
Inbook
Richnow, H. H. , Eschenbach, A. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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.
ORCID: https://orcid.org/0000-0002-5823-1966, 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
Conference
Conference
-Talk
Fritz, M.
ORCID: https://orcid.org/0000-0003-4591-7325, Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, Riedel, T. , Pfalz, G.
ORCID: https://orcid.org/0000-0003-1218-177X, Mathieu, L. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Gentz, T.
ORCID: https://orcid.org/0000-0001-6739-5359, Lantuit, H.
ORCID: https://orcid.org/0000-0003-1497-6760 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(2020)
Burial and origin of permafrost organic carbon in the Arctic nearshore zone
,
European Geosciences Union General Assembly,
Vienna, Austria,
4 May 2020 - 8 May 2020
.
doi:
10.5194/egusphere-egu2020-4244
, hdl:
10013/epic.4c79aecc-a800-4b8f-9343-499ca53b98e2
Conference
-Poster
Vorrath, M. E.
ORCID: https://orcid.org/0000-0001-7208-1186, Müller, J.
ORCID: https://orcid.org/0000-0003-0724-4131, Esper, O.
ORCID: https://orcid.org/0000-0002-4342-3471, Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X, Lange, C. B. , Haas, C.
ORCID: https://orcid.org/0000-0002-7674-3500, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966 and Schefuß, E.
(2019)
Recent and Holocene sea ice reconstructions based on the sea ice proxy IPSO25, Western Antarctic Peninsula
,
ICP 2019,
Sydney, Australia,
2 September 2019 - 6 September 2019
.
hdl:
10013/epic.7da72111-b22f-4da6-844b-2fe318fdf696
Conference
-Invited talk
Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X, Winterfeld, M. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Kattein, L. and Ransby, D.
ORCID: https://orcid.org/0000-0002-3643-333X
(2019)
No evidence for 20th century acceleration in fossil carbon supply to the ocean from thawing permafrost in the Lena River catchment
,
Goldschmidt Conference,
Barcelona,
18 August 2019 - 23 August 2019
.
hdl:
10013/epic.30a1f7b2-75db-4c0d-85cf-c180f70700a3
Conference
-Invited talk
Müller, J.
ORCID: https://orcid.org/0000-0003-0724-4131, Lamping, N.
ORCID: https://orcid.org/0000-0001-6258-8952, Vorrath, M. E.
ORCID: https://orcid.org/0000-0001-7208-1186, Martinez-Mendez, G. , Esper, O.
ORCID: https://orcid.org/0000-0002-4342-3471, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X, Kuhn, G.
ORCID: https://orcid.org/0000-0001-6069-7485 and Hillenbrand, C. D.
(2019)
Ice-shelf and sea-ice dynamics: the biomarker perspective
,
International Symposium on Antarctic Earth Sciences (ISAES),
Incheon, South Korea,
22 July 2019 - 26 July 2019
.
hdl:
10013/epic.e380b96d-237b-42cb-8b75-28497ed12893
Conference
-Poster
Vorrath, M. E.
ORCID: https://orcid.org/0000-0001-7208-1186, Müller, J.
ORCID: https://orcid.org/0000-0003-0724-4131, Esper, O.
ORCID: https://orcid.org/0000-0002-4342-3471, Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X, Haas, C.
ORCID: https://orcid.org/0000-0002-7674-3500, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966 and Lamy, F.
ORCID: https://orcid.org/0000-0001-5952-1765
(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
Conference
-Talk
Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X, Winterfeld, M. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Kattein, L. and Pittauer, D.
ORCID: https://orcid.org/0000-0002-3643-333X
(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.
ORCID: https://orcid.org/0000-0001-6739-5359, Bonk, E. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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
Conference
-Talk
Gentz, T.
ORCID: https://orcid.org/0000-0001-6739-5359, Bonk, E. , Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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
Conference
-Talk
Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, Riedel, T. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Fritz, M.
ORCID: https://orcid.org/0000-0003-4591-7325 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0003-0207-3767, Gentz, T.
ORCID: https://orcid.org/0000-0001-6739-5359, Kattein, L. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0001-5138-564X, Winterfeld, M. , Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, Köhler, P.
ORCID: https://orcid.org/0000-0003-0904-8484, Dummann, W. , Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Lembke-Jene, L.
ORCID: https://orcid.org/0000-0002-6873-8533, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, McIntyre, C. , Wacker, L. , Haghipour, N. , Gersonde, R. and Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049
(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.
ORCID: https://orcid.org/0000-0001-6739-5359, Bonk, E. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Grotheer, H.
ORCID: https://orcid.org/0000-0003-0207-3767, Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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
Conference
-Poster
Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, Sun, S. , Winterfeld, M. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Gentz, T.
ORCID: https://orcid.org/0000-0001-6739-5359 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0002-4958-5367, Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X, Dummann, W. , Köhler, P.
ORCID: https://orcid.org/0000-0003-0904-8484, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Lembke-Jene, L.
ORCID: https://orcid.org/0000-0002-6873-8533, Wacker, L. , Mc Intyre, C. , Haghipour, N. , Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049, 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.
ORCID: https://orcid.org/0000-0001-5138-564X, Winterfeld, M. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Bodenstab, L. N. , Morgenstern, A.
ORCID: https://orcid.org/0000-0002-6466-7571, Eulenburg, A. , Heim, B.
ORCID: https://orcid.org/0000-0003-2614-9391, Koch, B.
ORCID: https://orcid.org/0000-0002-8453-731X, 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.
ORCID: https://orcid.org/0000-0002-5823-1966, Pittauer, D. , Zubrzycki, S. , Han, P. , Rethemeyer, J. and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0001-5138-564X, Winterfeld, M. , Bodenstab, L. N. , Mörth, C. M. , Koch, B.
ORCID: https://orcid.org/0000-0002-8453-731X, Heim, B.
ORCID: https://orcid.org/0000-0003-2614-9391, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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.
ORCID: https://orcid.org/0000-0002-5823-1966, Lembke-Jene, L.
ORCID: https://orcid.org/0000-0002-6873-8533, Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, McIntyre, C. , Wacker, L. , Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0001-5138-564X, Dummann, W. , Winterfeld, M. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Lembke-Jene, L.
ORCID: https://orcid.org/0000-0002-6873-8533 and Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049
(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.
ORCID: https://orcid.org/0000-0002-4958-5367, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Max, L. , Schefuß, E. , Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0002-5823-1966, Sun, S. , Han, P. and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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
Conference
-Poster
Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Max, L. , Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049 and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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
-Talk
Winterfeld, M. , Goñi, M. , Just, J. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Han, P. and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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
Conference
-Poster
Meyer, V.
ORCID: https://orcid.org/0000-0002-4958-5367, Tiedemann, R.
ORCID: https://orcid.org/0000-0001-7211-8049, Max, L. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Schefuß, E. and Mollenhauer, G.
ORCID: https://orcid.org/0000-0001-5138-564X
(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.
ORCID: https://orcid.org/0000-0002-5823-1966, Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564 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
Conference
-Talk
Naafs, B. D. A. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Zhang, S. and Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564
(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
Conference
-Invited talk
Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, 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.
ORCID: https://orcid.org/0000-0002-5823-1966, Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564 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
-Invited talk
Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, Gruetzner, J.
ORCID: https://orcid.org/0000-0001-5445-2393, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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
-Talk
Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, Grützner, J. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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
-Poster
Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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.
ORCID: https://orcid.org/0000-0002-9159-3109, Riebesell, U. , Engel, A. , Zondervan, I. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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
Weller, P. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564 and Kuhn, G.
ORCID: https://orcid.org/0000-0001-6069-7485
(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
Benthien, A.
ORCID: https://orcid.org/0000-0002-9159-3109, Zondervan, I. , Riebesell, U. , Engel, A. , Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, 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.
ORCID: https://orcid.org/0000-0002-5823-1966 and Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564
(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.
ORCID: https://orcid.org/0000-0002-5823-1966, Fahl, K.
ORCID: https://orcid.org/0000-0001-9317-4656, Michaelis, W. and Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564
(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
Field Report
Field Report
Stein, R.
ORCID: https://orcid.org/0000-0002-4453-9564, Drachev, S. , Fahl, K.
ORCID: https://orcid.org/0000-0001-9317-4656, Hefter, J.
ORCID: https://orcid.org/0000-0002-5823-1966, Kassens, H. , Kokina, N. , Matthießen, J.
ORCID: https://orcid.org/0000-0002-6952-2494, 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 Thu Feb 20 16:30:32 2025 CET.