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(Article of periodic en Anglais - 2000)

Document title

Radiocarbon chronology of Ross Sea drift, eastern Taylor Valley, Antarctica : evidence for a grounded ice sheet in the Ross Sea at the Last Glacial Maximum

published at : Glacial and paleoclimatic history of the Ross ice drainage system of Antarctica. Special issue

Authors(s) and Affiliation(s)

HALL B.L. ; DENTON G.H. ;

Abstract

More than 250 radiocarbon dates of lacustrine algae and marine shells afford a chronology for Ross Sea drift in eastern Taylor Valley. Four major drift sheets in eastern Taylor Valley are differentiated. Evidence from ice-dammed lakes in Taylor Valley and from shells from McMurdo Sound suggests grounding-line retreat from the vicinity of Ross island between 6500 and 8340 C 14 yr BP. Rising sea level may have triggered internal mechanisms within the ice sheet that led to retreat, but did not in itself drive continued ice-sheet recession. Ice retreat, once set in motion, continued in the absence of sea-level forcing

Source

Thematical fascicle

published at : Geografiska annaler. Series A. Physical geography / ISSN 0435-3676 / CODEN GAPGAP

Editor : Svenska sällskapet för antropologi och geografi, Stockholm - SUEDE (1965)

Millesime : 2000, vol. 82, no 2-3 [pp. 305-336]

Bibliographic references : 47 ref.

Language

Anglais

INIST-CNRS, Cote INIST : 2704 A

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2003.
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