| The South China Sea thermohaline structure and circulation |
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| 作者姓名： | Peter C. Chu Binbing M Yuchun Chen |
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| 作者单位： | Peter C. Chu，Binbing Ma，Yuchun Chen1. Naval Postgraduate School，Monterey，California，USA2. Cold and Arid Regions Environmental and Engineering Research Institute Chinese Academy of Sciences，Lanzhou，China |
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| 基金项目： | This study was funded by the Office of Naval Research NOMP Program, the Naval Oceanographic Office,，the Naval Postgraduate School. |
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| 摘 要： | In this study, we used the Navy' s Master Oceanographic Observation Data Set(MOODS), consisting of 116019 temperature and 9617 salinity profiles, during 1968- 1984 to investigate the temporal and spatial variabilities of South China Sea thermohaline structures and circulation. For temperature, profiles were binned into 204 monthly data sets from 1968 to 1984 (17 years). For salinity, profiles were binned into 12 climatological monthly data sets due to the data paucity. A two-scale optimal interpolation method was used to establish a three-dimensional monthly-varying gridded data set from MOODS, covering the area of 5°-25°N and 105° - 125°E and the depth from the surface to 400 m. After the gridded data set had been established, both composite analysis and the Empirical Orthogonal Function (EOF) analysis (for temperature only) were used to identify the major thermohaline fratures including annual mean, monthly anomalies, and interannual thermal variabilities. The inverted monthly circulation pattern
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| 关 键 词： | The South China Sea thermohaline structure circulation |
| 收稿时间： | 2002/3/21 0:00:00 |
| 修稿时间： | 2002/4/10 0:00:00 |
The South China Sea thermohaline structure and circulation |
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| Peter C. Chu,Binbing M,Yuchun Chen.The South China Sea thermohaline structure and circulation[J].Acta Oceanologica Sinica,2002,21(2):227-261. |
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| Authors: | Peter C Chu Binbing Ma and Yuchun Chen |
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| Institution: | 1.Naval Postgraduate School, Monterey, California, USA2.Cold and Arid Regions Environmental and Engineering Research Institute Chinese Academy of Sciences, Lanzhou, China |
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| Abstract: | In this study, we used the Navy' s Master Oceanographic Observation Data Set (MOODS), consisting of 116 019 temperature and 9 617 salinity profiles, during 1968～1984 to investigate the temporal and spatial variabilities of South China Sea thermohaline structures and circulation.For temperature, profiles were binned into 204 monthly data sets from 1968 to 1984 (17 years). For salinity, profiles were binned into 12 climatological monthly data sets due to the data paucity. A twoscale optimal interpolation method was used to establish a three-dimensional monthly-varying gridded data set from MOODS, covering the area of 5°～25°N and 105°～ 125°E and the depth from the surface to 400 m. After the gridded data set had been established, both composite analysis and the Empirical Orthogonal Function (EOF) analysis (for temperature only) were used to identify the major thermohaline fratures including annual mean, monthly anomalies, and interarmual thermal variabilities. The inverted monthly circulation pattern using the P - vector method is also discussed. |
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| Keywords: | The South China Sea thermohaline structure circulation |
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