Dr. Antje Wegwerth
Position: PostDoc
Seestraße 15
18119 Rostock
Germany
Reconstruction of the palaeoclimate and environmental conditions of Neogene and Quaternary marine and limnic systems (Black Sea, South Pacific Ocean) on glacial-interglacial to millennial timescales by using organic and inorganic geochemical proxies, and carbonate shell geochemistry.
CV
since 2026 PostDoc at IOW
2011 - 2015: PhD student within the framework of the project DynNAP: “Dynamics of Mid-latitude/Mediterranean climate during the last 150 ka: Black Sea/Northern Anatolian Paleoenvironmental Reconstructions” as part of the DFG Priority Programme 1266 "Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC)" https://www.iow.de/projekt/61/dyn_nap.html
2011: Diploma-Mapping Thesis „Fluxes of dissolved manganese and sulphate across the sediment-water interface of the Baltic Sea“ (IOW / FU Berlin)
2010: Diploma Thesis “Petrography, Biogeochemistry, and Stable Isotope Signatures of Early Cambrian Phosphorites, Meishucun Section, South China“ (FU Berlin/IOW) within DFG Forschergruppe 736 “The Precambrian-Cambrian Ecosphere (R)evolution: Insights from Chinese microcontinents” http://www.geo.fu-berlin.de/en/v/fg736/
2003 - 2011: Study of Geology-Palaeontology at Freie Universität Berlin
Research cruises
RV “Elisabeth Mann Borgese” 2023: EMB 324 BALTRACE, Baltic Sea
RV “Sonne“ 2023: SO296/2 MAPUCHE, Chile, SE Pacific
RV “Sonne“ 2022: SO290 PaläoTaNZ, Tasman Sea
RV “Elisabeth Mann Borgese” 2018: EMB 201 BALTRAP, Central Baltic Sea
RV "Meteor" 2017: M142, Black Sea
RV "Maria S. Merian" 2013: MSM33, Black Sea
RV “Elisabeth Mann Borgese” 2012: 06EZ1215-REDOX, Central Baltic Sea
RV “Südfall” 2009: North Sea
RV “Prof. A. Penck” 2008: 07/08/24 Central Baltic Sea
RV “Prof. A. Penck” 2008: 07/08/14 Central Baltic Sea
Other research trips
Biomarker studies at CEREGE (Centre Européen de Recherche et d’Enseignement des Géosciences de l’Environnement, Géochimie et géochronologie, Aix-Marseille University, France) in June - July 2012 and September - October 2013
Publications
• Rigalleau, V., Arz, H. W., Beech, N., Hagemann, J. R., Ruggieri, N., Wegwerth, A., Sadatzki, H., Illing, M. T., Moy, C. M., Winckler, G., & Lamy, F.. Oceanic forcing of Patagonian ice sheet variability over the last eight glacial cycles. Communications Earth & Environment (2026). https://doi.org/10.1038/s43247-026-03387-1
• Liu, J., N. R. Nowaczyk, A. Wegwerth, Y. Zhong, Q. Liu and H. W. Arz . Greigite-bearing nodules in the last glacial Black Sea sediments: rapid post-depositional formation and carbon-preservation implications. Geophys. J. Int. (2026), https://doi.org/10.1093/gji/ggag047
• Wegwerth, A.,. Arz, H., Kaiser, J., Winckler, G., Lembke-Jene, L., Rigalleau, V., Ruggieri, N., Sadatzki, H., Lamy, F.. South Pacific sea surface temperature and global ocean circulation changes since the late Miocene. Nature Communications (2025) 16, 6593 https://www.nature.com/articles/s41467-025-62037-w
• Rigalleau, V., Lamy, F., Ruggieri, N., Sadatzki, H., Arz, H.W., Barker, S., Lembke-Jene, L., Wegwerth, A., Knorr, G., Venancio, I.M., Pinho, T.M.L., Tiedemann, R., Winckler, G.. 790,000 years of millennial-scale Cape Horn Current variability and interhemispheric linkages. Nature Communications (2025) 16, 3105. https://doi.org/10.1038/s41467-025-58458-2
• Dellwig, O., Köhler, A., Kurzweil, F., Schönke, M., Wegwerth, A., Krüger, S., Mars, R., Plewe, S., Schuffenhauer, I., Zhang, R., Frazão, H.C., Waniek, J.J., Arz, H.W. Behaviors of redox-sensitive tungsten and molybdenum in the northern South China Sea: From the Pearl River to the continental slope. Estuarine, Coastal and Shelf Science (2023) 292, 108485. https://doi.org/10.1016/j.ecss.2023.108485
• Roué, L., Kurzweil, F., Wille, M., Wegwerth, A., Dellwig, O., Münker, C., Schoenberg, R. Stable W and Mo isotopic evidence for increasing redox-potentials from the Paleoarchean towards the Paleoproterozoic deep ocean. Geochimica et Cosmochimica Acta (2021) 309, 366-387. https://doi.org/10.1016/j.gca.2021.05.013
• Dellwig, O., Wegwerth, A., Arz, H.W. Anatomy of the Major Baltic Inflow in 2014: Impact of manganese and iron shuttling on phosphorus and trace metals in the Gotland Basin, Baltic Sea. Continental Shelf Research 223, 104449 (2021). https://doi.org/10.1016/j.csr.2021.104449
• Wegwerth, A., Plessen, B., Kleinhanns, I.C., Arz, H. W. Black Sea hydroclimate and coupled hydrology was strongly controlled by high-latitude glacial climate dynamics. Communications Earth and Environment 2, 63 (2021). https://doi.org/10.1038/s43247-021-00129-3
• Nowaczyk, N. R., Jiabo, L., Plessen, B., Wegwerth, A., Arz, H. W. A high‐resolution paleosecular variation record for marine isotope stage 6 from Southeastern Black Sea sediments. Journal of Geophysical Research: Solid Earth (2021), 126, e2020JB021350. https://doi.org/10.1029/2020JB021350
• Czymzik, M., Nowaczyk, N. R., Dellwig, O., Wegwerth, A., Muscheler, R., Christl, M., Arz, H. W. Lagged atmospheric circulation response in the Black Sea region to Greenland Interstadial 10. Proceedings of the National Academy of Sciences (2020) 117, 46,
• Wegwerth, A., Kaiser, J., Dellwig, O., Arz, H. W. Impact of Eurasian Ice Sheet and North Atlantic climate dynamics on Black Sea temperature variability during the penultimate glacial (MIS 6, 130‐184 ka BP). Paleoceanography and Paleoclimatology (2020) 35, e2020PA003882. https://doi.org/10.1029/2020PA003882
• Brüske, A., Weyer, S., Zhao, M.Y., Planavsky, N.J., Wegwerth, A., Neubert, N., Dellwig, O., Lau, K.V., Lyons, T.W. Correlated molybdenum and uranium isotope signatures in modern anoxic sediments: implications for their use as paleo-redox proxy. Geochimica et Cosmochimica Acta (2020) 270, 449-474 https://doi.org/10.1016/j.gca.2019.11.031
• Wegwerth, A., Dellwig, O., Wulf, S., Plessen, B., Kleinhanns, I.C., Nowaczyk, N.R., Jiabo, L., Arz, H.W. Major hydrological shifts in the Black Sea “Lake” in response to ice sheet collapses during MIS 6 (130-184 ka BP). Quaternary Science Reviews (2019) 219, 126-144 https://doi.org/10.1016/j.quascirev.2019.07.008
• Dellwig, O., Wegwerth, A., Schnetger, B., Schulz, H., Arz, H.W. Dissimilar behaviors of the geochemical twins W and Mo in hypoxic-euxinic marine basins. Earth-Science Reviews (2019) 193, 1-23 https://doi.org/10.1016/j.earscirev.2019.03.017
• Häusler, K., Dellwig, O., Schnetger, B., Feldens, P., Leipe, T., Moros, M., Pollehne, F., Schönke, M., Wegwerth, A., Arz, H.W. Massive Mn carbonate formation in the Landsort Deep (Baltic Sea): Hydrographic conditions, temporal succession, and Mn budget calculations. Marine Geology (2018) 395, 260-270 https://doi.org/10.1016/j.margeo.2017.10.010
• Wegwerth, A., Eckert, S., Dellwig, O., Schnetger, B., Severmann, S., Weyer, S., Brüske, A., Kaiser, J., Köster, J., Arz, H.W., Brumsack, H.-J. Redox evolution during Eemian and Holocene sapropel formation in the Black Sea. Palaeogeography, Palaeoclimatology, Palaeoecology (2018) 489, 249-260 https://doi.org/10.1016/j.palaeo.2017.10.014
• Wegwerth, A., Kaiser, J., Dellwig, O., Shumilovskikh, L.S., Nowaczyk, N.R., Arz, H.W. Northern hemisphere climate control on the environmental dynamics in the glacial Black Sea “Lake”. Quaternary Science Reviews (2016) 135, 41-53 http://dx.doi.org/10.1016/j.quascirev.2016.01.016
• Wegwerth, A., Ganopolski, A., Ménot, G., Kaiser, J., Dellwig, O., Bard, E., Lamy, F., and Arz, H.W. Black Sea temperature response to glacial millennial-scale climate variability. Geophysical Research Letters (2015) 42, 19, 8147-8154 http://dx.doi.org/10.1002/2015GL065499
• Arz, H. W., Shumilovskikh, L. S., Wegwerth, A., Fleitmann, D., Behling, H. Environmental and Climate Dynamics During the Last Two Glacial Terminations and Interglacials in the Black Sea/Northern Anatolian Region. Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC). M. Schulz and A. Paul, Springer International Publishing, SpringerBriefs in Earth System Sciences, (2015), 121-126 http://dx.doi.org/10.1007/978-3-319-00693-2_20
• Wegwerth, A., Dellwig, O., Kaiser, J., Ménot, G., Bard, E., Shumilovskikh, L., Schnetger, B., Kleinhanns, I.C., Wille, M., and Arz, H.W. Meltwater events and the Mediterranean reconnection at the Saalian-Eemian transition in the Black Sea. Earth and Planetary Science Letters (2014), 404, 124-135 http://dx.doi.org/10.1016/j.epsl.2014.07.030
• Shumilovskikh, L.S., Fleitmann, D., Nowaczyk, N., Behling, H., Marret, F., Wegwerth, A., Arz, H.W. Orbital- and millennial-scale environmental changes between 64 and 20 ka BP recorded in Black Sea sediments. Climate of the Past (2014), 10, 939-954 http://www.clim-past.net/10/939/2014/cp-10-939-2014.html
• Shumilovskikh, L. S., Arz, H.W., Wegwerth, A., Fleitmann, D., Marret, F., Nowaczyk, N., Tarasov, P., Behling, H., Vegetation and environmental changes in Northern Anatolia between 134 and 119 ka recorded in Black Sea sediments, Quaternary Research (2013), 80, 3, 349-360 http://dx.doi.org/10.1016/j.yqres.2013.07.005
Presentations
• Wegwerth, A., Plessen, B., Kleinhanns, I.C., Dellwig, O.,Wulf, S., Nowaczyk, N.R., Jiabo, L., Arz, H.W., (2019) Major hydrological shifts in the Black Sea “Lake” in response to ice sheet collapses during MIS 6, ICP13 - 13th International Conference on Paleoceanography, September 2019, Sydney, Australia
• Dellwig, O., Wegwerth, A., Schnetger, B., H. Schulz, H., Arz, H. W., Behavior of redox-sensitive W and Mo in hypoxic-sulfidic marine basins, ICP13 - 13th International Conference on Paleoceanography, September 2019, Sydney, Australia
• Wegwerth, A., Eckert, S., Dellwig, O., Schnetger, B., Severmann, S., Weyer, S., Brüske, A., Kaiser, J., Köster, J., Arz, H.W., Brumsack, H.-J. (2019) Redox conditions in the Black Sea during Eemian and Holocene sapropel formation. Goldschmidt 2019, August 2019, Barcelona, Spain
• Dellwig, O., Wegwerth, A., Schnetger, B., H. Schulz, H., Arz, H. W., W and Mo in hypoxic- euxinic basins, Goldschmidt 2019, August 2019, Barcelona, Spain
• Dellwig, O., Häusler, K., Wegwerth, A., Schnetger, B., Arz H.W. (2016) Coupled manganese and trace metal cycling in the deeps of the Baltic Sea, Baltic 2016 – The 13th Colloquium on Baltic Sea Marine Geology, September 2016, Gdańsk, Poland
• Wegwerth, A., Kaiser, J., Dellwig, O., Shumilovskikh, L.S., Nowaczyk, N.R., Ganopolski, A., Ménot, G., Bard, E., Lamy, F. and Arz, H.W. (2016) Abrupt Temperature Changes and Environmental Dynamics in the Black Sea “Lake” during the Last Glacial, Goldschmidt 2016, June/July 2016, Yokohama, Japan
• Dellwig O., Häusler K., Wegwerth A., Schnetger B., Brumsack H.-J. and Arz H.W. (2016) Manganese and Trace Metal Cycling in the Deeps of the Baltic Sea, Goldschmidt 2016, June/July 2016, Yokohama, Japan
• Lipka, M., Liu, B., Wegwerth, A., Dellwig, Winde, V., Al-Raei, A. M., and Böttcher, M. E. (2015) Carbon transformation and the sources of dissolved inorganic carbonate in sediments of a temperate coastal sea, the Baltic Sea: A stable isotope and modelling approach, EGU General Assembly, April 2015, Vienna, Austria
• Lipka, M., Wegwerth, A., Dellwig, Winde, V., Al-Raei, A. M., and Böttcher, M. E. (2015) Element transformation rates and fluxes across the sediment-water interface in a temperate coastal sea, the Baltic Sea, 2015 Aquatic Sciences Meeting, Aquatic Sciences: Global And Regional Perspectives — North Meets South, ASLO 2015, February 2015, Granada, Spain
• Lipka, M., Wegwerth, A., Dellwig, O., Al-Raei, A. M., Schoster, F., and Böttcher, M. E. (2014) Element transformation rates and fluxes across the sediment-water interface of the Baltic Sea, The 12th Colloquium on Baltic Sea Marine Geology, BALTIC 2014, September 2014, Rostock-Warnemünde, Germany
• Arz, H.W., Shumilovskikh, L., Wegwerth, A., Fleitmann, D., Kaiser, J., Nowaczyk, N., Behling, H., Dellwig, O., Ménot, G., Bard, E. (2014) Environmental changes in the Black Sea: A Mediterranean - Black Sea connection Perspective, Interdisciplinary meeting on climate change and seismic hazards during the Holocene in the mediterranean, July 2014, Aix-en-Provence, France
• Lipka, M., Wegwerth, A., Dellwig, O., Al-Raei, A., Schoster, F., and Böttcher, M.E. (2014) Element transformation rates and fluxes across the sediment-water interface of the Baltic Sea, EGU General Assembly, April/May 2014, Vienna, Austria
• Arz, H.W., Shumilovskikh, L., Wegwerth, A., Dellwig, O., Kaiser, J., Nowaczyk, N., Plessen, B., Prange, M., Ménot, G., Bard, E., Behling, H., Fleitmann, D. (2013) Pronounced millennial scale variability in the Black Sea Lake during Marine Isotope Stage 3. 14th RCMNS, September 2013, Istanbul, Turkey
• Wegwerth, A., Dellwig, O., Kaiser, J., Bard, E., Ménot, G., Nowaczyk, N., Plessen, B., Shumilovskikh, L., Fink, S., Arz, H. W. (2013) The impact of D-O Climate Oscillations during the last Glacial in the Black Sea. 11th INTERNATIONAL CONFERENCE ON PALEOCEANOGRAPHY, September, 2013, Sitges - Barcelona, Spain
• Wegwerth, A., Dellwig O., Kaiser, J., Bard ,E., Ménot, G., Nowaczyk, N., Plessen, B., Schnetger, B., Shumilovskikh, L., and Arz, H. (2013) Palaeoceanography & Palaeoclimate during the penultimate Glacial-Interglacial transition in the Black Sea - Termination II. EGU General Assembly, April 2013, Vienna, Austria
• Wegwerth, A., Struck, U., Segl, M., Vennemann, T.W., Gehlken, P.L., Heubeck, C., and Böttcher M.E. (2010) Stable isotope record of coexisting apatite and dolomite in Early Cambrian phosphorites, Meishucun section, South China. EGU General Assembly, May 2010, Vienna, Austria
• Wegwerth, A., Dellwig, O., Struck, U., Hippler, D., Gehlken, P.-L., Trappe, J., Franz, G., Böttcher, M.E., and Heubeck, C. (2009) Biogeochemistry and petrography of Early Cambrian phosphorites from the Meishucun section, Yangtze Platform, South China. GV Annual Meeting, October 2009, Göttingen, Germany