Multiple Glaciation in the McMurdo Sound Region, Antarctica: A Progress Report

Péwé, Troy L.

doi:10.1086/626684

Cited by 129 publications

(62 citation statements)

References 5 publications

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“…Dry Valleys lakes, which today are as much as 76 m deep, have a history of large changes in surface level (8,10,11). Limited and geographically scattered evidence indicates that lakes experienced highstands periodically during both the early LGM and Holocene.…”

Section: Resultsmentioning

confidence: 99%

Antarctic lakes suggest millennial reorganizations of Southern Hemisphere atmospheric and oceanic circulation

Hall

Denton

Fountain

et al. 2010

Proc. Natl. Acad. Sci. U.S.A.

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The phasing of millennial-scale oscillations in Antarctica relative to those elsewhere in the world is important for discriminating among models for abrupt climate change, particularly those involving the Southern Ocean. However, records of millennial-scale variability from Antarctica dating to the last glacial maximum are rare and rely heavily on data from widely spaced ice cores, some of which show little variability through that time. Here, we present new data from closed-basin lakes in the Dry Valleys region of East Antarctica that show high-magnitude, high-frequency oscillations in surface level during the late Pleistocene synchronous with climate fluctuations elsewhere in the Southern Hemisphere. These data suggest a coherent Southern Hemisphere pattern of climate change on millennial time scales, at least in the Pacific sector, and indicate that any hypothesis concerning the origin of these events must account for synchronous changes in both high and temperate latitudes.

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Section: Resultsmentioning

confidence: 99%

Antarctic lakes suggest millennial reorganizations of Southern Hemisphere atmospheric and oceanic circulation

Hall

Denton

Fountain

et al. 2010

Proc. Natl. Acad. Sci. U.S.A.

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“…1; Péwé, 1961;Stuiver et al, 1981;Denton et al, 1989;, Glacial Lake Wright (Wright Valley; and Glacial Lake Trowbridge (Miers Valley;Péwé, 1961;Clayton-Greene et al, 1988). Thus, there is strong evidence that lakes in the region were much larger during the LGM than today.…”

Section: Source Of the Watermentioning

confidence: 99%

Glacial Lake Victoria, a high‐level Antarctic Lake inferred from lacustrine deposits in Victoria Valley

Hall

Denton

Overturf

et al. 2002

J Quaternary Science

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We present evidence of a large lake (Glacial Lake Victoria) that existed in Victoria Valley in the dry valleys region of Antarctica between at least 20 000 and 8600 14 C yr BP. At its highstands, Glacial Lake Victoria covered 100 km 2 and was ca. 200 m deep. The chronology for lake-level changes comes from 87 AMS radiocarbon dates of lacustrine algae preserved in deltas and glaciolacustrine deposits that extend up to 185 m above present-day lakes on the valley floor. The existence of Glacial Lake Victoria, as well as other large lakes in the dry valleys, indicates a climate regime significantly different from that of today at the last glacial maximum and in the early Holocene.

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“…Von Guerard Stream drains an alpine glacier in the Kukri Hills and flows into the eastern end of Lake Fryxell. The stream flows through unconsolidated alluvium that has multiple lithologic sources, resulting in hyporheic sediments being comprised of granite, gneiss, dolerite, Beacon sandstone [17,43], and carbonate deposits [27]. The porosity of the hyporheic sediment ranges from 0.29 to 0.47 in Von Guerard Stream [11].…”

Section: Study Sitementioning

confidence: 99%

Experimental investigations into processes controlling stream and hyporheic temperatures, Fryxell Basin, Antarctica

Cozzetto

McKnight

Nylen

et al. 2006

Advances in Water Resources

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Multiple Glaciation in the McMurdo Sound Region, Antarctica: A Progress Report

Cited by 129 publications

References 5 publications

Antarctic lakes suggest millennial reorganizations of Southern Hemisphere atmospheric and oceanic circulation

Antarctic lakes suggest millennial reorganizations of Southern Hemisphere atmospheric and oceanic circulation

Glacial Lake Victoria, a high‐level Antarctic Lake inferred from lacustrine deposits in Victoria Valley

Experimental investigations into processes controlling stream and hyporheic temperatures, Fryxell Basin, Antarctica

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