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Chlorophyll-a retrieval of coastal waters based on in situ hyperspectral data
作者: Ma,Wandong ; Shi,Ping ; Zhang,Yuanzhi ; Xing, QianGuo(邢前国) ; Tang,Jiakui ; *Liu,Dongyan
通讯作者: Shi,P.
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
会议名称: 2nd International Conference on Earth Observation for Global Changes
会议日期: 2009-05-25
会议地点: .
会议录出版者: SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States
会议录: Proceedings of SPIE - The International Society for Optical Engineering
出版日期: 2009
ISBN号: ISSN:0277786X
关键词: Atmospherics - Coastal zones - Concentration (process) - Observatories - Porphyrins - Radiometers - Remote sensing - Satellite imagery - Spectrometers - Water pollution - Water quality
学科分类: 海洋科学
中文摘要: 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 
语种: 英语
内容类型: 会议论文
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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]. 见:2nd International Conference on Earth Observation for Global Changes. .. 2009-05-25.
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