Climatic change of the sea ice mean thickness in the Arctic Basin
Conference
·
OSTI ID:471053
- Arctic and Antarctic Research Inst., St. Petersburg (Russian Federation)
During the last decade, regular monitoring of the Arctic Ocean sea ice elastic-gravity waves has been carried out with the use of seismometers and inclination meters. According to the linear theory, the lengths and periods of self-exited and resonance waves propagating in ice depend exclusively on ice thickness and its cylindrical elastic module when sea depths are more than 500m. The waves propagate inside the ice at great distances (up to thousands kilometers) with a weak damping and are widespread in the Arctic. Mean sea ice thickness in the Arctic Ocean reveals a decrease of 12--14 cm in 1970--1992 which is equivalent to approximately 0.5 cm per year.
- OSTI ID:
- 471053
- Report Number(s):
- CONF-960420--; ISBN 0-884736-02-5
- Country of Publication:
- United States
- Language:
- English
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