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9 results on '"Foerster, Verena E"'

1. Paleo-ENSO impacted habitat availability for early modern humans

Author

Kaboth-Bahr, Stefanie, primary, Gosling, William D., additional, Vogelsang, Ralf, additional, Bahr, André, additional, Scerri, Eleanor M.L., additional, Asrat, Asfawossen, additional, Cohen, Andrew S., additional, Düsing, Walter, additional, Foerster, Verena E., additional, Lamb, Henry F., additional, Maslin, Mark A., additional, Roberts, Helen M., additional, Schäbitz, Frank, additional, and Trauth, Martin H., additional

Published
2021
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3. Linking Paleo Vegetation Modelling with a Phytolith Record for the African Humid Period (15 - 5 ka BP) of the Omo-River-Lowlands and the Chew Bahir Basin, southern Ethiopia

Author

Fischer, Markus Lothar, primary, Sittaro, Fabian, additional, Manntschke, Claudia, additional, Yost, Chad, additional, Foerster, Verena E, additional, Schäbitz, Frank, additional, Schepers, Christian, additional, Trauth, Martin H, additional, and Junginger, Annett, additional

Published
2020
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4. Assessing the role of climate change in human evolution and dispersal: a 600,000-year record from Chew Bahir, southern Ethiopia

Author

Foerster, Verena E., primary, Asrat, Asfawossen, additional, Cohen, Andrew S., additional, Chapot, Melissa S., additional, Deino, Alan, additional, Deocampo, Daniel M., additional, Duesing, Walter, additional, Guenter, Christina, additional, Junginger, Annett, additional, Kaboth-Bahr, Stefanie, additional, Lamb, Henry F., additional, Lane, Christine, additional, Bronk Ramsey, Christopher, additional, Roberts, Helen M., additional, Vidal, Céline, additional, Schaebitz, Frank, additional, and Trauth, Martin H., additional

Published
2020
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5. ICDP workshop on the Lake Tanganyika Scientific Drilling Project: A late Miocene-present record of climate, rifting, and ecosystem evolution from the world's oldest tropical lake

Author

Russell, James, Barker, P A, Cohen, Andrew S, Ivory, Sarah J, Kimirei, I A, Lane, Christine S, Leng, Melanie J., Maganza, Neema, McGlue, Michael Matthew, Msaky, Emma S, Noren, Anders J, Boush, Lisa Park, Salzburger, Walter, Scholz, Christopher A, Tiedemann, Ralph, Nuru, Shaidu, Albrecht, Christian, Ali, Rahma, Arrowsmith, Ramón Ja, Asanga, Danstan, Asmerom, Yemane, Bakundukize, Charles, Bauersachs, Thorsten, Beck, Catherine C, Berke, Melissa A, Beverley, Emily, Blaauw, Martin, Brown, Erik T, Campisano, Christopher J, Carrapa, Bárbara, Castaûeda, Isla, Dee, Sylvia G, Deino, Alan L, Ebinger, Cynthia J, Ellis, Geoffrey S, Foerster, Verena E, Fontijn, Karen, Gehrels, George E, Indemaur, Adrian, Jovanovska, Elena, Junginger, Annett, Kaboth, Stefanie, Kallmeyer, Jens, King, John W, Konecky, Bronwen L, Mark, Darren F, McIntyre, Peter B, Michel, Ellinor, Mkuu, Doreen, Morgan, Leah, Mtetela, Cassy, Muderwha, Nshombo, Muirhead, James D, Mumbi, Cassian T, Muschick, Mo, Nahimana, David, Ngowi, Venosa, Njiko, Pashcal, Nkenyeli, Simon, Nkotagu, Hudson H, Ntakimazi, Gaspard, Oppo, Davide, Purkamo, Lotta, Rick, Jessica A, Roberts, Helen M, Ronco, Fabrizia, Sangweni, Charles, Shaghude, Yohanna W, Shigela, Josephat, Shillington, Donna J, Sophia, Chen Shuang, Sier, Mark Jan, Soreghan, Michael James, Spanbauer, Trisha L, Spencer-Jones, Charlotte L, Staff, Richard A, Stone, Jeffery R, Todd, Jonathan A, Trauth, Martin H, Van Bocxlaer, Bert, Viehberg, Finn A, Vogel, Hendrik, Vonhof, Hubert, Wolff, Christian, Wu, Qinglong, Yost, Chad L, Zeeden, Christian, Russell, James, Barker, P A, Cohen, Andrew S, Ivory, Sarah J, Kimirei, I A, Lane, Christine S, Leng, Melanie J., Maganza, Neema, McGlue, Michael Matthew, Msaky, Emma S, Noren, Anders J, Boush, Lisa Park, Salzburger, Walter, Scholz, Christopher A, Tiedemann, Ralph, Nuru, Shaidu, Albrecht, Christian, Ali, Rahma, Arrowsmith, Ramón Ja, Asanga, Danstan, Asmerom, Yemane, Bakundukize, Charles, Bauersachs, Thorsten, Beck, Catherine C, Berke, Melissa A, Beverley, Emily, Blaauw, Martin, Brown, Erik T, Campisano, Christopher J, Carrapa, Bárbara, Castaûeda, Isla, Dee, Sylvia G, Deino, Alan L, Ebinger, Cynthia J, Ellis, Geoffrey S, Foerster, Verena E, Fontijn, Karen, Gehrels, George E, Indemaur, Adrian, Jovanovska, Elena, Junginger, Annett, Kaboth, Stefanie, Kallmeyer, Jens, King, John W, Konecky, Bronwen L, Mark, Darren F, McIntyre, Peter B, Michel, Ellinor, Mkuu, Doreen, Morgan, Leah, Mtetela, Cassy, Muderwha, Nshombo, Muirhead, James D, Mumbi, Cassian T, Muschick, Mo, Nahimana, David, Ngowi, Venosa, Njiko, Pashcal, Nkenyeli, Simon, Nkotagu, Hudson H, Ntakimazi, Gaspard, Oppo, Davide, Purkamo, Lotta, Rick, Jessica A, Roberts, Helen M, Ronco, Fabrizia, Sangweni, Charles, Shaghude, Yohanna W, Shigela, Josephat, Shillington, Donna J, Sophia, Chen Shuang, Sier, Mark Jan, Soreghan, Michael James, Spanbauer, Trisha L, Spencer-Jones, Charlotte L, Staff, Richard A, Stone, Jeffery R, Todd, Jonathan A, Trauth, Martin H, Van Bocxlaer, Bert, Viehberg, Finn A, Vogel, Hendrik, Vonhof, Hubert, Wolff, Christian, Wu, Qinglong, Yost, Chad L, and Zeeden, Christian

Abstract

The Neogene and Quaternary are characterized by enormous changes in global climate and environments, including global cooling and the establishment of northern high-latitude glaciers. These changes reshaped global ecosystems, including the emergence of tropical dry forests and savannahs that are found in Africa today, which in turn may have influenced the evolution of humans and their ancestors. However, despite decades of research we lack long, continuous, well-resolved records of tropical climate, ecosystem changes, and surface processes necessary to understand their interactions and influences on evolutionary processes. Lake Tanganyika, Africa, contains the most continuous, long continental climate record from the mid-Miocene (∼ 10 Ma) to the present anywhere in the tropics and has long been recognized as a top-priority site for scientific drilling. The lake is surrounded by the Miombo woodlands, part of the largest dry tropical biome on Earth. Lake Tanganyika also harbors incredibly diverse endemic biota and an entirely unexplored deep microbial biosphere, and it provides textbook examples of rift segmentation, fault behavior, and associated surface processes. To evaluate the interdisciplinary scientific opportunities that an ICDP drilling program at Lake Tanganyika could offer, more than 70 scientists representing 12 countries and a variety of scientific disciplines met in Dar es Salaam, Tanzania, in June 2019. The team developed key research objectives in basin evolution, source-to-sink sedimentology, organismal evolution, geomicrobiology, paleoclimatology, paleolimnology, terrestrial paleoecology, paleoanthropology, and geochronology to be addressed through scientific drilling on Lake Tanganyika. They also identified drilling targets and strategies, logistical challenges, and education and capacity building programs to be carried out through the project. Participants concluded that a drilling program at Lake Tanganyika would produce the first continuous Mioce, SCOPUS: ar.j, info:eu-repo/semantics/published

Published
2020

6. From peaks and patterns to proxy and palaeo: towards a reliable palaeoenvironmental record (Chew Bahir, southern Ethiopia).

Author

Foerster, Verena E., Asrat, Asfawossen, Cohen, Andrew S., Deocampo, Daniel M., Duesing, Walter, Guenter, Christina, Junginger, Annett, Lamb, Henry F., Opitz, Stephan, Schaebitz, Frank, and Trauth, Martin H.

Subjects
*LAKE sediments, *MESOLITHIC Period, *CLIMATE change, *PARAGENESIS, *CLAY minerals, *FOSSIL hominids, *COMPOSITION of sediments, *PROXY
Abstract

How do we convert variabilities and trends in hundreds of potential parameters that are typically analyzed in the framework of a scientific drilling project to actual climate proxies? Using the case study from the Chew Bahir core from the southern Ethiopian Rift, we will show that deciphering climate information from lake sediments is challenging, because of the complex relationship between climate parameters and sediment composition. Establishing a reliable climate proxy for a new terrestrial archive requires the stepwise development of a profound understanding of both climate-controlled and non-climate controlled processes in the catchment. As a contribution towards an enhanced understanding of human-climate interactions the Chew Bahir Drilling Project, as part of HSPDP (Hominin Sites and Paleolakes Drilling Project) recovered 280 m-long sediment records from a deep, tectonically-bound basin in the southern Ethiopian rift in late 2014. The Chew Bahir record covers the past ~600 ka of environmental history, a critical time period that includes the transition to the Middle Stone Age, and the origin and dispersal of modern Homo sapiens. By deconvolving the relationship between sedimentological processes and geochemical parameters and strongly climate-controlled processes in the Chew Bahir basin, such as weathering (incongruent dissolution), transportation and authigenic mineral alteration, site-specific indicators for climate shifts on different magnitudes are being developed to eventually provide a detailed and reliable climate record. This study uses a multi indicator approach including whole rock and clay mineral analyses (XRD), XRF geochemistry and sedimentology such as grain size analysis. We will illustrate how sensitively the degree of authigenic transformation in especially clay minerals and zeolites has recorded even subtle shifts in the hydrochemistry of paleolake and porewaters, thereby representing a robust tool for differentiating contrasting chemical environments controlled by climatic change. The precise time resolution, largely continuous record and (eventually) a detailed understanding of site specific proxy formation, will give us a continuous record of environmental history on decadal to orbital timescales. Our data enable us to test current hypotheses of the impact of a variety of climate shifts on human evolution and dispersal. [ABSTRACT FROM AUTHOR]

Published
2019

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