Poleohydrology of Lake Vanda in Wright Valley, Antarctica Inferred from Granulometric Analysis of DVDP 14 Core
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概要
- 論文の詳細を見る
The sediment core DVDP 14 of 28m in length was drilled at the center of the dry basin in North Fork located 1.5km from the western edge of Lake Vanda, which is marked by a great fluctuation in water level during the past lake history, as has been pointed out by the previous studies. Preparing 35 samples from the core at different depths and subjecting them to sieving (mechanical and micro), size frequency distributions were investigated and depositional environments were analyzed by their vertical profiles, whereby it was inferred that the lucustrine and the aeolian deposition alternated with each other, corresponding to the pluvial condition (warm climate; higher water level) and the dry condition (cold climate; lower water level) in the lake area.
- 国立極地研究所の論文
著者
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Torii Tetsuya
Chiba Institute of Technology
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Nakao Kinshiro
Department of Geophysics, Faculty of Science, Hokkaido University
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Tanizawa Kyoko
Department of Geophysics, Faculty of science, Hokkaido University
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Nakao Kinshiro
Department Of Geophysics Faculty Of Science Hokkaido University
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Tanizawa Kyoko
Department Of Geophysics Faculty Of Science Hokkaido University
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