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Preliminarily study on coastal water quality classification by satellite data

机译：卫星数据对沿海水质分类的初步研究

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摘要

The Changjing River triangle area, where includes Jiangsu and Zhejinag province and Shainghai and so is called as Changjing delta, is a key area of Chinese economic development, but the economic sustainable development of Changjing delta in last ten years is restricted by coastal water quality deterioration, such as nitrogen and phosphorus content increasing, eutrophication, red tide and man activity pollution. The routine marine water quality assessment by boat, buoy and coastal observation station sampling is difficult to monitor its special and timely variation. In this paper, first, the situation of water quality of Changjing delta is introduced. Second, the satellite remote sensing algorithm of retrieve the parameters of water quality, such as total nitrogen (TN), total phosphorus (TP) and transparency, are discussed in detail. Finally, the rule of water quality classification briefly is mentioned and the water quality classification images are presented in the paper. The preliminarily result shows that the ocean color satellite data has its latent capability of quasi-realtime coastal water quality monitoring.
机译：长三角地区是中国经济发展的重点地区，是江苏，浙南，陕海等被称为长三角的地区，但近十年来长三角的经济可持续发展受到沿海水质恶化的制约。如氮，磷含量增加，富营养化，赤潮和人类活动污染。常规的通过船，浮标和海岸观察站采样进行的海洋水质评估很难监测其特殊及时的变化。本文首先介绍了长江三角洲的水质状况。其次，详细讨论了检索水质参数（如总氮（TN），总磷（TP）和透明度）的卫星遥感算法。最后，简要介绍了水质分类的规则，并提出了水质分类的图像。初步结果表明，海洋彩色卫星数据具有准实时沿海水质监测的潜在能力。

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