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The Distribution of Internal Waves in the China Seas Studied by Multi-sensor Satellite Images
Prof. Werner Alpers(1), Prof. Ming-Xia He(2)
, Dr. Kan Zeng(2)
, Ling-Fei Guo(2)
, and Xiao-Ming Li(2)
(1)
Institut für Meereskunde der Universität Hamburg,
Bundesstr. 53,
D-20146 Hamburg,
Germany
(2) Ocean University of China, #5 Yushan Road, 266003,Qingdao, China
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symposium presentation
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Abstract
The distribution of internal waves in the China Seas has been studied by
screening 421 SAR images and 363 SPOT images for sea surface signatures
of internal waves. The occurrence of internal wave signatures is
correlated with the phase of the spring-neap tidal cycle and with the
time of the year which yields information on the stratification of the
water column.
In particular, the statistical analysis of internal wave signatures in
the South China Sea reveals that in the deep ocean area between the
Luzon Strait and Dongsha island the density of internal wave signatures
is very low, but is very high west of Dongsha island. This is
interpreted as a result of the interaction of internal solitary waves
generated in the Luzon Strait with the shallow bottom topography around
the Dongsha island.
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