Vorrath, ME, Müller, J, Cárdenas, P, Opel, T, Mieruch, S, Esper, O, Lembke-Jene, L, Etourneau, J, Vieth-Hillebrand, A, Lahajnar, N, Lange, CB, Leventer, A, Evangelinos, D, Escutia, C and Mollenhauer, G (2023) Deglacial and Holocene sea-ice and climate dynamics in the Bransfield Strait, northern Antarctic Peninsula. Climate of the Past, 19(5). 1061-1079. doi:10.5194/cp-19-1061-2023
Crosta, X, Kohfeld, KE, Bostock, HC, Chadwick, M, Du Vivier, A, Esper, O, Etourneau, J, Jones, J, Leventer, A, Müller, J, Rhodes, RH, Allen, CS, Ghadi, P, Lamping, N, Lange, CB, Lawler, KA, Lund, D, Marzocchi, A, Meissner, KJ, Menviel, L, Nair, A, Patterson, M, Pike, J, Prebble, JG, Riesselman, C, Sadatzki, H, Sime, LC, Shukla, SK, Thöle, L, Vorrath, ME, Xiao, W and Yang, J (2022) Antarctic sea ice over the past 130 000 years – Part 1: a review of what proxy records tell us. Climate of the Past, 18(8). 1729-1756. doi:10.5194/cp-18-1729-2022
Lamping, N, Müller, J, Esper, O, Hillenbrand, CD, Smith, JA and Kuhn, G (2020) Corrigendum to “Highly branched isoprenoids reveal onset of deglaciation followed by dynamic sea-ice conditions in the western Amundsen Sea, Antarctica” [Quat. Sci. Rev. 228 (2020) 106103]. Quaternary Science Reviews, 234. 106260. doi:10.1016/j.quascirev.2020.106260
Lamping, N, Müller, J, Esper, O, Hillenbrand, CD, Smith, JA and Kuhn, G (2020) Highly branched isoprenoids reveal onset of deglaciation followed by dynamic sea-ice conditions in the western Amundsen Sea, Antarctica. Quaternary Science Reviews, 228. 106103. doi:10.1016/j.quascirev.2019.106103
Vorrath, ME, Müller, J, Rebolledo, L, Cárdenas, P, Shi, X, Esper, O, Opel, T, Geibert, W, Muñoz, P, Haas, C, Kuhn, G, Lange, CB, Lohmann, G and Mollenhauer, G (2020) Sea ice dynamics in the Bransfield Strait, Antarctic Peninsula, during the past 240 years: a multi-proxy intercomparison study. Climate of the Past, 16(6). 2459-2483. doi:10.5194/cp-16-2459-2020
Klages, JP, Salzmann, U, Bickert, T, Hillenbrand, CD, Gohl, K, Kuhn, G, Bohaty, SM, Titschack, J, Müller, J, Frederichs, T, Bauersachs, T, Ehrmann, W, van de Flierdt, T, Pereira, PS, Larter, RD, Lohmann, G, Niezgodzki, I, Uenzelmann-Neben, G, Zundel, M, Spiegel, C, Mark, C, Chew, D, Francis, JE, Nehrke, G, Schwarz, F, Smith, JA, Freudenthal, T, Esper, O, Pälike, H, Ronge, TA, Dziadek, R and the Science Team of Expedition PS104 (2020) Temperate rainforests near the South Pole during peak Cretaceous warmth. Nature, 580(7801). 81-86. doi:10.1038/s41586-020-2148-5
Vorrath, ME, Müller, J, Esper, O, Mollenhauer, G, Haas, C, Schefuß, E and Fahl, K (2019) Highly branched isoprenoids for Southern Ocean sea ice reconstructions: a pilot study from the Western Antarctic Peninsula. Biogeosciences, 16(15). 2961-2981. doi:10.5194/bg-16-2961-2019
Gohl, K, Freudenthal, T, Hillenbrand, CD, Klages, J, Larter, R, Bickert, T, Bohaty, S, Ehrmann, W, Esper, O, Frederichs, T, Gebhardt, C, Küssner, K, Kuhn, G, Pälike, H, Ronge, T, Simões Pereira, P, Smith, J, Uenzelmann-Neben, G and van de Flierdt, C (2017) MeBo70 seabed drilling on a polar continental shelf: operational report and lessons from drilling in the Amundsen Sea Embayment of West Antarctica. Geochemistry, Geophysics, Geosystems, 18(11). 4235-4250. doi:10.1002/2017GC007081
Xiao, W, Frederichs, T, Gersonde, R, Kuhn, G, Esper, O and Zhang, X (2016) Constraining the dating of late Quaternary marine sediment records from the Scotia Sea (Southern Ocean). Quaternary Geochronology, 31. 97-118. doi:10.1016/j.quageo.2015.11.003
Borchers, A, Dietze, E, Kuhn, G, Esper, O, Voigt, I, Hartmann, K and Diekmann, B (2016) Holocene ice dynamics and bottom-water formation associated with Cape Darnley polynya activity recorded in Burton Basin, East Antarctica. Marine Geophysical Research, 37(1). 49-70. doi:10.1007/s11001-015-9254-z 
Xiao, W, Esper, O and Gersonde, R (2016) Last Glacial - Holocene climate variability in the Atlantic sector of the Southern Ocean. Quaternary Science Reviews, 135. 115-137. doi:10.1016/j.quascirev.2016.01.023
Benz, V, Esper, O, Gersonde, R, Lamy, F and Tiedemann, R (2016) Last Glacial Maximum sea surface temperature and sea-ice extent in the Pacific sector of the Southern Ocean. Quaternary Science Reviews, 146. 216-237. doi:10.1016/j.quascirev.2016.06.006
Studer, AS, Sigman, DM, Martinez-Garcia, A, Benz, V, Winckler, G, Kuhn, G, Esper, O, Lamy, F, Jaccard, SL, Wacker, L, Oleynik, S, Gersonde, R and Haug, GH (2015) Antarctic Zone nutrient conditions during the last two glacial cycles. Paleoceanography, 30(7). 845-862. doi:10.1002/2014PA002745
Abelmann, A, Gersonde, R, Knorr, G, Zhang, X, Chapligin, B, Maier, E, Esper, O, Friedrichsen, H, Lohmann, G, Meyer, H and Tiedemann, R (2015) The seasonal sea-ice zone in the glacial Southern Ocean as a carbon sink. Nature Communications, 6. 8136. doi:10.1038/ncomms9136
Ren, J, Gersonde, R, Esper, O and Sancetta, C (2014) Diatom distributions in northern North Pacific surface sediments and their relationship to modern environmental variables. Palaeogeography, Palaeoclimatology, Palaeoecology, 402. 81-103. doi:10.1016/j.palaeo.2014.03.008
Lamy, F, Gersonde, R, Winckler, G, Esper, O, Jaeschke, A, Kuhn, G, Ullermann, J, Martinez-Garcia, A, Lambert, F and Kilian, R (2014) Increased dust deposition in the Pacific Southern Ocean during glacial periods. Science, 343(6169). 403-407. doi:10.1126/science.1245424
Kuehn, H, Lembke-Jene, L, Gersonde, R, Esper, O, Lamy, F, Arz, HW, Kuhn, G and Tiedemann, R (2014) Laminated sediments in the Bering Sea reveal atmospheric teleconnections to Greenland climate on millennial to decadal timescales during the last deglaciation. Climate of the Past, 10(6). 2215-2236. doi:10.5194/cp-10-2215-2014
Esper, O and Gersonde, R (2014) New tools for the reconstruction of Pleistocene Antarctic sea ice. Palaeogeography, Palaeoclimatology, Palaeoecology, 399. 260-283. doi:10.1016/j.palaeo.2014.01.019
Esper, O and Gersonde, R (2014) Quaternary surface water temperature estimations: New diatom transfer functions for the Southern Ocean. Palaeogeography, Palaeoclimatology, Palaeoecology, 414. 1-19. doi:10.1016/j.palaeo.2014.08.008
Zonneveld, KAF, Marret, F, Versteegh, GJM, Bogus, K, Bonnet, S, Bouimetarhan, I, Crouch, E, de Vernal, A, Elshanawany, R, Edwards, L, Esper, O, Forke, S, Grøsfjeld, K, Henry, M, Holzwarth, U, Kielt, JF, Kim, SY, Ladouceur, S, Ledu, D, Liang, C, Limoges, A, Londeix, L, Lu, SH, Mahmoud, MS, Marino, G, Matsouka, K, Matthiessen, J, Mildenhal, DC, Mudie, PJ, Neil, HL, Pospelova, V, Qi, Y, Radi, T, Richerol, T, Rochon, A, Sangiorgi, F, Solignac, S, Turon, JL, Verleye, T, Wang, Y, Wang, Z and Young, MD (2013) Atlas of modern dinoflagellate cyst distribution based on 2405 datapoints. Review of Palaeobotany and Palynology, 191. 1-197. doi:10.1016/j.revpalbo.2012.08.003
Maier, E, Chapligin, B, Abelmann, A, Gersonde, R, Esper, O, Ren, J, Friedrichsen, H, Meyer, H and Tiedemann, R (2013) Combined oxygen and silicon isotope analysis of diatom silica from a deglacial subarctic Pacific record. Journal of Quaternary Science, 28(6). 571-581. doi:10.1002/jqs.2649
Hillenbrand, CD, Smith, JA, Kuhn, G, Esper, O, Gersonde, R, Larter, RD, Maher, BA, Moreton, SG, Shimmield, TM and Korte, M (2010) Age assignment of a diatomaceous ooze deposited in the western Amundsen Sea Embayment after the last glacial maximum. Journal of Quaternary Science, 25(3). 280-295. doi:10.1002/jqs.1308
Esper, O, Gersonde, R and Kadagies, N (2010) Diatom distribution in southeastern Pacific surface sediments and their relation to modern environmental variables. Palaeogeography, Palaeoclimatology, Palaeoecology, 287(1-4). 1-27. doi:10.1016/j.palaeo.2009.12.006
Holzwarth, U, Meggers, H, Esper, O, Kuhlmann, H, Freudenthal, T, Hensen, C and Zonneveld, KAF (2010) NW African climate variations during the last 47,000 years: Evidence from organic-walled dinoflagellate cysts. Palaeogeography, Palaeoclimatology, Palaeoecology, 291(3-4). 443-455. doi:10.1016/j.palaeo.2010.03.013
Holzwarth, U, Esper, O and Zonneveld, KAF (2010) Organic-walled dinoflagellate cysts as indicators of oceanographic conditions and terrigenous input in the NW African upwelling region. Review of Palaeobotany and Palynology, 159(1-2). 35-55. doi:10.1016/j.revpalbo.2009.10.005
Holzwarth, U, Esper, O and Zonneveld, KAF (2007) Distribution of organic-walled dinoflagellate cysts in shelf surface sediments of the Benguela upwelling system in relationship to environmental conditions. Marine Micropaleontology, 64(1-2). 91-119. doi:10.1016/j.marmicro.2007.04.001
Esper, O and Zonneveld, KAF (2007) The potential of organic-walled dinoflagellate cysts for the reconstruction of past sea-surface conditions in the Southern Ocean. Marine Micropaleontology, 65(3-4). 185-212. doi:10.1016/j.marmicro.2007.07.002
Esper, O, Versteegh, GJM, Zonneveld, KAF and Willems, H (2004) A palynological reconstruction of the Agulhas Retroflection (South Atlantic Ocean) during the Late Quaternary. Global and Planetary Change, 41. 31-62. doi:10.1016/j.gloplacha.2003.10.002
Esper, O and Zonneveld, KAF (2002) Distribution of organic-walled dinoflagellate cysts in surface sediments of the Southern Ocean (eastern Atlantic sector) between the Subtropical Front and the Weddell Gyre. Marine Micropaleontology, 46(1-2). 177-208. doi:10.1016/S0377-8398(02)00041-5
Vink, A, Baumann, KH, Boeckel, B, Esper, O, Kinkel, H, Volbers, ANA, Willems, H and Zonneveld, KAF (2003) Coccolithophorid and dinoflagellate synecology in the South and Equatorial Atlantic: Improving the palaeoecological significance of phytoplanktonic microfossils. In: Wefer, G, Mulitza, S and Ratmeyer, V (eds.) The South Atlantic in the Late Quaternary: Reconstruction of Material Budgets and Current Systems. Springer, Berlin, Heidelberg, New York, 101-120. doi:10.1007/978-3-642-18917-3_6
Esper, O (2001) Reconstruction of Recent and Late Quaternary oceanographic conditions in the Eastern South Atlantic Ocean based on calcareous- and organic-walled dinoflagellate cysts. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 189. Department of Geosciences, Bremen University. urn:nbn:de:gbv:46-ep000103156
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