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标题：NEAR-REAL TIME MONITORING OF COASTAL LAGOON TURBIDITY DISTRIBUTION USING MODIS DATA
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作者：T. Shimomai ; Y. Endo ; K. Sakai 等
期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2010
卷号：XXXVIII - Part 8
页码：1035-1037
出版社：Copernicus Publications
摘要：We have been studying the turbidity estimation for Lakes Shinji and Nakaumi, Shimane Prefecture Japan using satellite sensors. Recently, we have developed a turbidity monitoring system for this area using near-real-time MODIS 250-m resolution band re.ectance data which have been provided from Japan Aerospace Exploration Agency (JAXA). MODIS sensors on-board the Terra and Aqua satellites visit this area almost once or twice a day, so the limitation of sparse visit is solved to some extent (the limitation of cloud cover still remains). Since thin cloud and occasionally sand storm cover the ocean and/or lake areas, some threshold techniques are applied to remove the data or to issue warning .ags. Empirical formulas adjusted for each lake (Lakes Shinji and Nakaumi) are used to estimate the turbidity from the Band 1 re.ectance. The resulting turbidity distribution map is now published on our web site for general users. In this presentation, an outline of this system will be introduced
关键词：Satellite remote sensing; MODIS; turbidity; atmospheric correction