Volume 36 Issue 11
Nov.  2011
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CHEN Liqiong, TIAN Liqiao, QIU Feng, CHEN Xiaoling. Water Color Constituents Remote Sensing in Wuhan Donghu Lake Using HJ-1A/B CCD Imagery[J]. Geomatics and Information Science of Wuhan University, 2011, 36(11): 1280-1283.
Citation: CHEN Liqiong, TIAN Liqiao, QIU Feng, CHEN Xiaoling. Water Color Constituents Remote Sensing in Wuhan Donghu Lake Using HJ-1A/B CCD Imagery[J]. Geomatics and Information Science of Wuhan University, 2011, 36(11): 1280-1283.
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Water Color Constituents Remote Sensing in Wuhan Donghu Lake Using HJ-1A/B CCD Imagery

  • 1State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing, Wuhan University,129 Luoyu Road,Wuhan 430079,China;2The Key Laboratory of Poyang Lake Wetland and Watershed Research,Ministry of Education, Jiangxi Normal University,99 Ziyang Road,Nanchang 330022,China;3The Key Laboratory of Poyang Lake Environment and Resource Utilization,Ministry of Education, Nanchang University,235 East Nanjing Road,Nanchang 330031,China

Funds: 国家973计划资助项目(2011CB707106);国家自然科学基金资助项目(40906092,41071261,40676094);国家自然基金委创新研究群体科学基金资助项目(41021061);湖北省自然科学基金资助项目(2009CDB107);武汉大学测绘遥感信息工程国家重点实验室专项科研经费资助项目;武汉大学博士生自主科研课题资助项目;南昌大学“鄱阳湖环境与资源利用教育部重点实验室”开放课题资助项目(Z03975);985国家重点实验室仪器设备专项经费资助项目
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  • Received Date: September 14, 2011
  • Published Date: November 04, 2011
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    • Abstract
  • The CCD sensors onboard HJ-1A/B satellite,launched on Sep.6,2008,have the superiorities of high spatial and temporal resolution in water environment monitoring for small lakes.Taking Donghu in Wuhan as an example,atmospheric correction of HJ-1A/B CCD imagery was carried out using fast line-of-sight atmospheric analysis of spectral hypercubes(FLAASH) model,in which aerosol optical depth was retrieved from synchronous MODIS-Terra data.Then an artificial neural network(ANN) algorithm for the retrieval of chlorophyll-a,suspended sediments and absorption coefficient of colored dissolved organic matter(CDOM) was established with in-situ data obtained in three consecutive years.The results show that,compared with the in-situ data,the mean relative errors of the retrieved suspended sediments,absorption coefficient of CDOM and chlorophyll-a are 28.052%,17.628% and 35.621% respectively,which can meet the requirement of monitoring water color elements in inland waters.
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