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A physical study on the thermal ice ridge in a closed deep lake : Lake Kuttara, Hokkaido, Japan

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Title: A physical study on the thermal ice ridge in a closed deep lake : Lake Kuttara, Hokkaido, Japan
Authors: Aihara, Minoru Browse this author
Chikita, Kazuhisa A. Browse this author →KAKEN DB
Momoki, Yoshiro Browse this author
Mabuchi, Suguru Browse this author
Keywords: Lake Kuttara
Ice ridge
Thermal contraction
Thermal expansion
Ice-growth simulation
Issue Date: 2010
Publisher: Springer
Journal Title: Limnology
Volume: 11
Issue: 2
Start Page: 125
End Page: 132
Publisher DOI: 10.1007/s10201-009-0298-0
Abstract: An ice-ridge line more than 2,000 m long was discovered in a closed, deep lake—Lake Kuttara, Hokkaido, Japan—in the ice-covered season of 1995. To clarify when and how the ice-ridge line built up, meteorology and ice and water temperatures were monitored, and the density, thermal conductivity, and thickness of the covered ice were measured from January through March 1995. The covered ice on 4 and 5 March 1995, which corresponded to the period with the thickest lake ice, consisted of snow ice 0.05- to 0.07-m thick and candle ice 0.18- to 0.21-m thick. Numerical simulations for the ice thickness and temperature were carried out using a one-dimensional, unsteady, threelayer model. The simulated results, which were reasonable to the observations, indicate that due to the ice contraction and expansion, the ice-ridge line started to construct on 2 February and was completed the next day.
Rights: The original publication is available at www.springerlink.com
Type: article (author version)
URI: http://hdl.handle.net/2115/44619
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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