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My research examines sea-level change throughout Earth's ice ages, and attendant paleoceanographic, paleoclimatological, and paleoecological shifts. Current work from my research group integrates field observation of the sedimentary record with global geophysical numerical models to refine estimates of past sea level heights for both warmer and colder intervals in Earth's history. Because insights from the stratigraphic record of Quaternary glacial cycles inform how we interpret the much older stratigraphic record (and vice-versa), my group pursues research questions at both ends of the geological timescale in tandem. For instance, inferences of peak global mean sea level during late Pleistocene interglacials/interstadials (e.g., MIS 6, 5, and 3) reveal the stability of polar ice sheets to changing climate regimes. Examination of exceptional glacial episodes – such at the Neoproterozoic Snowball Earth events – reveal pronounced spatial discontinuity and temporal diachroneity for stratal surfaces and sequence stratigraphic packages that arise from 'glacioeustatic' sea-level change. Regardless, all our research efforts into past sea level aim to contextualize contemporaneous (and connected) physical, chemical, and ecological changes in Earth's oceans through time.
Agouron Post-Doctoral Fellow, Caltech.
Ph.D., Earth & Planetary Sciences, Harvard University, 2012.
B.A., Geology (cum laude), Colorado College, 2006.
GEO 203 – Evolution of Planet Earth
GEO 370 – Stratigraphy and Sedimentology
GEO 599 – Advanced Stratigraphy
Cedric Hagen (PhD candidate, Sept. 2016 – present)
Meghan King (MS candidate, Sept. 2018 – present)
Schmitty Thompson (PhD candidate, Sept. 2019 – present)
If you are interested in pursuing graduate research please contact me (jcreveling -at- ceoas.oregonstate.edu) with more information about yourself, the research topics that excite you, and your career aspirations.
Snowball Earth: Massive ice sheets, meltwater and…mattresses? (December, 2018)
Please see my Google Scholar profile.