Time change of dynamic height from July 1993 to May 1994 in the warm water region south off Shikoku
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Author
Hideki, KinoshitaDate
1996
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Show full item recordAbstract
The mooring observation with Inverted Echo Sounder (IES) in the central vicinity of a warm water region south off Shikoku was carried out from July 8, 1993 to May 12, 1994. Time change of dynamic height of more than 4 days was analyzed. Travel time (τ) from bottom to sea surface which was measured with IES was compared with dynamic height calculated from temperature and salinity data measured with CTD/XBT observation by the survey vessels belonging to Maritime Safety Agency and research vessels belonging to the universities and some other agencies. As a result, the relation between them was almost linear with correlation coefficient of 0. 76. A comparison between dynamic height from IES and the sea surface height near the IES mooring point with micro wave altimeter mounted on the satellite TOPEX/POSEIDON shows good correlation (Correlation coefficient is 0. 84). It is suggested that a decrease of τin November 1993 was caused by movement of a warm water region south off Shikoku.Journal
Report of Hydrographic and Oceanographic ResearchesIssue/Article Nr
32Page Range
pp. 29-36Resource/Dataset Location
https://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/article.html#rhr32