| 基于背景场的一种新的赤潮监测算法 |
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| 作者姓名： | XU Xiaohui PAN Delu MAO Zhihu TAO Bangyi |
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| 作者单位： | South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;State Key Laboratory of Satellite Ocean Environment Dynamics, the Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;University of Chinese Academy of Sciences, Beijing 100049, China;State Key Laboratory of Satellite Ocean Environment Dynamics, the Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;State Key Laboratory of Satellite Ocean Environment Dynamics, the Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;State Key Laboratory of Satellite Ocean Environment Dynamics, the Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China |
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| 基金项目： | The National High Technology Research and Development Program (863 Program) of China under contract No. 2007AA092002; the National Basic Research Program (973 Program) of China under contract No. 2013CB956503. |
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| 摘 要： | Remote sensing has been proven to be an effective means of monitoring red tides. The spectral information is an important basis for establishing a model to monitor red tides. The spectral curves of red tide events are analyzed and compared with multiyear monthly averaged spectral curves based on MODIS data from July 2002 to June 2012, as well as spectral differences at the same location during red tide presence and absence. A red tide monitoring algorithm is developed based on the background field to extract the red tide information of the East China Sea （ECS）. With the application of the algorithm in the ECS, the results reveal that the developed model can effectively determine the location of red tides, with good correspondence to the results from an official bulletin. This demonstrates that the algorithm can effectively extract the red tide information.
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| 关 键 词： | 赤潮监测 监测算法 背景场 中国东海 MODIS数据 光谱信息 光谱曲线 遥感技术 |
| 收稿时间： | 3/4/2013 12:00:00 AM |
| 修稿时间： | 2013/4/18 0:00:00 |
A new algorithm based on the background field for red tide monitoring in the East China Sea |
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| XU Xiaohui,PAN Delu,MAO Zhihu,TAO Bangyi.A new algorithm based on the background field for red tide monitoring in the East China Sea[J].Acta Oceanologica Sinica,2014,33(5):62-71. |
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| Authors: | XU Xiaohui PAN Delu MAO Zhihua and TAO Bangyi |
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| Institution: | 1.South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;State Key Laboratory of Satellite Ocean Environment Dynamics, the Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;University of Chinese Academy of Sciences, Beijing 100049, China2.State Key Laboratory of Satellite Ocean Environment Dynamics, the Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China |
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| Abstract: | Remote sensing has been proven to be an effective means of monitoring red tides. The spectral information is an important basis for establishing a model to monitor red tides. The spectral curves of red tide events are analyzed and compared with multiyear monthly averaged spectral curves based on MODIS data from July 2002 to June 2012, as well as spectral differences at the same location during red tide presence and absence. A red tide monitoring algorithm is developed based on the background field to extract the red tide information of the East China Sea (ECS). With the application of the algorithm in the ECS, the results reveal that the developed model can effectively determine the location of red tides, with good correspondence to the results from an official bulletin. This demonstrates that the algorithm can effectively extract the red tide information. |
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| Keywords: | red tide remote sensing background field East China Sea |
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