New Zealand Journal of Marine and Freshwater Research abstracts

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A preliminary study of the sedimentary history of Lake Vanda, Antarctica: climatic implications

W. BERRY LYONS PAUL A. MAYEWSKI PATRICIA DONAHUE' DENNIS CASSIDY

Department of Earth Sciences and Ocean Process Analysis Laboratory University of New Hampshire Durham, New Hampshire 03824 United States of America

Department of Geology Florida State University Tallahassee, Florida 32306 United States of America

Abstract We have analysed sections of DVDP4 sediment core from Lake Vanda, Antarctica for total dissolved salt, calcium carbonate, organic carbon, biogenic silica, nitrogen, and phosphorus. Three peaks of these chemical constituents appear with depth in the top 91 cm of sediment core. It is thought that these three peaks represent cold and/or dry paleoclimatic events. This work, together with other published data from Lake Vanda, indicates that the sediments contain a useful climatic history of Wright Valley.

Keywords sediments; Lake Vanda; Wright Valley; Antarctica; climate; chemical constituents; paleoclimate

New Zealand Journal of Marine and Freshwater Research, 1985, Vol. 19: 253-260 Received 6 June 1984; accepted 20 August 1984

PDF file of entire paper: medium quality (556K); (scanned from paper original: notes about this process)

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