Browsing by Author "Schaefer, J. M."
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- Item14C and 10Be dated Late Holocene fluctuations of Patagonian glaciers in Torres del Paine (Chile, 51°S) and connections to Antarctic climate change(2020) García B., Juan Luis; Hall, B. L.; Kaplan, M. R.; Gomez, G. A.; De Pol Holz, R.; Garcia, V. J.; Schaefer, J. M.; Schwartz, R.
- ItemCosmogenic nuclide moraine chronologies from Patagonia: A globally synchronic response of mountain glaciers during Termination 1?(2023) Soteres, Rodrigo L.; Sagredo T., Esteban; Kaplan, M. R.; Martini, M. A.; Riquelme, F. M.; Schaefer, J. M.
- ItemHolocene glacier behavior around the northern Antarctic Peninsula and possible causes(2020) Kaplan, M. R.; Strelin, J. A.; Schaefer, J. M.; Peltier, C.; Martini, M. A.; Flores, E.; Winckler, G.; Schwartz, R.We obtained 49 new Be-10 ages that document the activity of the former Northern Antarctic Peninsula Ice Sheet, and subsequently the James Ross Island Ice Cap and nearby glaciers, from the end of the last glacial period until the last similar to 100 years. The data indicate that from >11 to similar to 8 ka marked recession of glacier systems occurred around James Ross Island, including tidewater and local land-terminating glaciers. Glaciers reached heads of bays and fjords by 8-7 ka. Subsequently, local glaciers were larger than present around (at least) 7.5-7 ka and similar to 5-4 ka, at times between 3.9 and 3.6 ka and just after 3 ka, between similar to 2.4 and similar to 1 ka, and from similar to 300 to similar to 100 years ago. After deglaciation, the largest local glacier extents occurred between similar to 7 ka and similar to 4 ka.
- ItemPatagonian and southern South Atlantic view of Holocene climate(2016) Kaplan, M. R.; Schaefer, J. M.; Strelin, J.A.; Denton, G. H.; Anderson, R. F.; Finkel, R. C.; Schwartz, R.; García, Juan Luis; Martini, M. A.; Nielsen, S. H. H.