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Chlorophyll-a retrieval of coastal waters based on in situ hyperspectral data
Ma,Wandong ; Shi,Ping ; Zhang,Yuanzhi ; Xing,Qianguo ; Tang,Jiakui ; *Liu,Dongyan
通讯作者Shi,P.
2009
会议名称2nd International Conference on Earth Observation for Global Changes
会议录名称Proceedings of SPIE - The International Society for Optical Engineering
会议日期2009-05-25
会议地点.
ISBN号ISSN:0277786X
出版者SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States
产权排序(1) Yantai Institute of Coastal Zone Research for Sustainable Development, Chinese Academy of Sciences, Yantai, Shangdong, 264003, China; (2) Institute of Oceanology, Chinese Academy of Sciences, Qingdao, Shangdong, 266071, China; (3) Graduate School of the Chinese Academy of Sciences, Beijing 100049, China; (4) Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong
摘要The chlorophyll-a concentration is a major water quality parameter for coastal remote sensing. The water quality parameters of the Sishili Bay in Yantai's coastal region were obtained at the same time when the hyperspectral remote sensing data were in situ measured. According to the principle of the three-band model, the hyperspectral remote sensing data in situ measurements were averaged to the same band range of Medium Resolution Imaging Spectrometer (MERIS) (660-670nm, 703-713nm and 750-758nm) and Moderate Resolution Imaging Spectroradiometer (MODIS) (662-672nm and 743-753nm). The obtained results show that there was a good linear relationship between the chlorophyll-a concentration and simulated [(B7 -1-B9 -1)×B10] of MERIS and [B13 -1×B15] of MODIS. The determination coefficients were 0.714 and 0.753 for the simulated MERIS and MODIS, with the root mean squared errors (RMSE) of 1.48μg·L-1 and 1.38μg·L-1, respectively. The result demonstrated that the three-band model could be applied to retrieve chlorophyll-a concentration in Yantai's coastal region even if the chlorophyll-a concentration was lower than 10μg·L-1. However, MODIS and MERIS data still needs to examine mapping chlorophyll-a concentration of Yantai's coastal waters. © 2009 SPIE.
作者部门信息集成与应用实验室 
关键词Atmospherics - Coastal Zones - Concentration (Process) - Observatories - Porphyrins - Radiometers - Remote Sensing - Satellite Imagery - Spectrometers - Water Pollution - Water Quality
学科领域海洋科学
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语种英语
文献类型会议论文
条目标识符http://ir.yic.ac.cn/handle/133337/4742
专题海岸带信息集成与综合管理实验室
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Ma,Wandong,Shi,Ping,Zhang,Yuanzhi,et al. Chlorophyll-a retrieval of coastal waters based on in situ hyperspectral data[C]:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States,2009.
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