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Geoscientists contribute critical insights into the processes that shape the surface of the Earth, where solid rock, water, air and life interact. Dr. Sandra Passchier's specific interests are in understanding changes in the behavior of ice-sheets and ocean circulation under different climate states using geological archives of Earth history. As a principle investigator on projects funded by the U.S. National Science Foundation, she is currently targeting the stratigraphic record of West Antarctic ice behavior and its impact on sea level and ocean circulation. Under her guidance, the students in the ice and ocean sediment group carry out laboratory analyses on samples acquired through seafloor drilling.
Dr. Passchier has been a Distinguished Lecturer for the International Ocean Discovery Program (IODP) and an instructor in the PAIS-IODP Antarctic Summer School at Texas A&M University. She is currently part of the Science Evaluation Panel for the IODP and an Associate Editor for the international journal The Holocene. Previously she was a member of the U.S. Advisory Committee for Scientific Ocean Drilling (USAC) and the international steering committee on Antarctic Climate Evolution (SCAR-ACE)
Research interests
Specific interests are in understanding changes in the behavior of ice-sheets and ocean circulation under different climate states using geological archives of Earth history. As a principle investigator on projects funded by the U.S. National Science Foundation, Dr. Passchier is currently targeting the stratigraphic record of West Antarctic ice behavior and its impact on sea level and ocean circulation.
Scholarly Interests
Ocean Drilling, Polar Science, Glacial Processes, Sedimentary Geology, Continental Margins
Faculty/Media Expert
Expert on ocean drilling, polar science, glacial processes, sedimentary geology, and continental margins.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Collaborations and top research areas from the last five years
Projects
- 9 Finished
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West Antarctic Ice-sheet Change and Paleoceanography in the Amundsen Sea Across the Pliocene Climatic Optimum
Passchier, S. (PI)
15/08/21 → 31/07/24
Project: Research
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Timing and Spatial Distribution of Antarctic Ice Sheet Growth and Sea-ice Formation across the Eocene-Oligocene Transition
Passchier, S. (PI)
15/06/18 → 31/05/23
Project: Research
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MRI: Acquisition of an Inductively Coupled Plasma- Mass Spectrometry (ICP MS) for elemental concentration and speciation analysis at Montclair State University
Li, X. X. (PI), Goodey, N. (CoPI), Deng, Y. (CoPI), Passchier, S. (CoPI), Brachfeld, S. (CoPI) & Sarkar, D. (CoPI)
1/09/15 → 31/10/20
Project: Research
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Eocene to Oligocene cooling and ice growth based on the geochemistry of interglacial mudstones from the East Antarctic continental shelf
Light, J. J. & Passchier, S., 1 Aug 2023, In: Antarctic Science. 35, 4, p. 270-282 13 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Impact of Eocene-Oligocene Antarctic Glaciation on the Paleoceanography of the Weddell Sea
Hojnacki, V., Lepp, A., Horowitz Castaldo, J., States, A., Li, X. & Passchier, S., Dec 2022, In: Paleoceanography and Paleoclimatology. 37, 12, e2022PA004440.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Deglaciation dynamics of the Fennoscandian Ice Sheet in the Kattegat, the gateway between the North Sea and the Baltic Sea Basin
Hyttinen, O., Quintana Krupinski, N., Bennike, O., Wacker, L., Filipsson, H. L., Obrochta, S., Jensen, J. B., Lougheed, B., Ryabchuk, D., Passchier, S., Snowball, I., Herrero-Bervera, E., Andrén, T. & Kotilainen, A. T., Apr 2021, In: Boreas. 50, 2, p. 351-368 18 p.Research output: Contribution to journal › Article › peer-review
8 Scopus citations -
Evidence for a Highly Dynamic West Antarctic Ice Sheet During the Pliocene
IODP Expedition 379 Scientists, 28 Jul 2021, In: Geophysical Research Letters. 48, 14, e2021GL093103.Research output: Contribution to journal › Article › peer-review
Open Access15 Scopus citations -
Late Eocene Record of Hydrology and Temperature From Prydz Bay, East Antarctica
Tibbett, E. J., Scher, H. D., Warny, S., Tierney, J. E., Passchier, S. & Feakins, S. J., Apr 2021, In: Paleoceanography and Paleoclimatology. 36, 4, e2020PA004204.Research output: Contribution to journal › Article › peer-review
Open Access19 Scopus citations