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More about Currents around Taiwan from Codar Observations
|Contributors: ||NTOU:Department of Marine Environmental Informatics|
|Issue Date: ||2012-04-13T01:44:53Z
Abstract:The Taiwan Ocean Research Institute (TORI) under the National Applied Research Lab (NARL) established the 200 km CODAR system (Coastal Ocean Dynamics Application Ra-dar) around Taiwan. Since the observations provide only 1 m surface currents which would be affected by sea surface winds and not able to represent the sub-surface main flows. Therefore, experiments regarding how wind stress varies the vertical current profile within the CODAR area at sea are required indeed. In this proposal, 11 GPS drifters equipped with drogue of various depths are applied to track currents in every 10 m depth over 0~100 m. By doing so, we wish to develop a method to modify the CODAR data out of wind effects. Meanwhile, a RV will do ADCP scanning to construct the assimilation process for surface and sub-surface current data, the necessity of doing a numerical model with input of CO-DAR observations in the future. It is needed to conduct such an experiment at sea of regions around Taiwan. There are six cruise lines in the 3-year plan. Four are designed as two for Kuroshio and two for Taiwan Strait at north and south respectively. The other two are set for the north coast and the south coast of Taiwan. These lines locate where have been studied for valuable science topics. Now, under the intensive watch by CODAR, they will be studied again. And we expect new and more understandings would come to us. The data processed accordingly might be applicable for current power generation in Kuroshio and wind power in Taiwan Strait. Mainland China is to develop their own coastal current radar system re-cently. Our leading experience in application would help the cooperation across the Strait.
|Appears in Collections:||[海洋環境資訊系] 研究計畫|
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