Sea ice structure and anisotropy by ECM method.

Accession number;99A0924154
Title;Sea ice structure and anisotropy by ECM method.
Author; TOYAMA YOKO (Hokkaidokyodai Kyoiku Kushiroko) NISHIO FUMIHIKO (Hokkaidokyodai Kyoiku Kushiroko)
Journal Title;Journal of Hokkaido University of Education. Natural Science
Journal Code:L3615A
ISSN:1344-2570
VOL.50;NO.1;PAGE.49-62(1999)
Figure&Table&Reference;
Pub. Country;Japan
Language;Japanese
Abstract;ECM(Electrical Conductivity Measurement) method is applied to measure the salinity profile of sea ice core collected at the sea ice floe as convenient method. In Antarctic sea ice core, it was shown that the high salinity was indicated the high ECM level. However, at Lake Saroma, Eastern Hokkaido, Japan, it is shown that the ECM levels are associated with the anisotropy of sea ice crystal structure, that is, the higher currents are measured in the sea ice composed of granular crystals and, on the contrary, the lower currents are in the columnar crystals of sea ice. It could be suggested that the degree of movements of electrical charge may be caused by the mobility in the grain boundary of sea ice crystal. (author abst.)
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