| TANG Junwu,WANG Xiaomei,SONG Qingjun,LI Tongji,CHEN Jiezhong,HUANG Haijun,REN Jingping. 2004. The statistic inversion algorithms of water constituents for the Huanghai Sea and the East China Sea. Acta Oceanologica Sinica, (4):617－626 |
| The statistic inversion algorithms of water constituents for the Huanghai Sea and the East China Sea |
| The statistic inversion algorithms of water constituents for the Huanghai Sea and the East China Sea |
| Received:March 11, 2004 Revised:August 20, 2004 |
| DOI： |
| Key words:ocean color sensing Case Ⅱ water algorithms statistic model |
| 中文关键词: ocean color sensing Case Ⅱ water algorithms statistic model |
| 基金项目: |
| Author Name | Affiliation | E-mail | | TANG Junwu | National Satellite Ocean Application Service(NSOAS), State Oceanic Administration, Beijing 100081, China | jwtang@mail.nsoas.gov.cn | | WANG Xiaomei | National Satellite Ocean Application Service(NSOAS), State Oceanic Administration, Beijing 100081, China | | | SONG Qingjun | National Satellite Ocean Application Service(NSOAS), State Oceanic Administration, Beijing 100081, China | | | LI Tongji | National Ocean Technology Center(NOTC), State Oceanic Administration, Tianjin 300111, China | | | CHEN Jiezhong | Hong Kong University of Science and Technology, Hong Kong, China | | | HUANG Haijun | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China | | | REN Jingping | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China | |
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| Abstract: |
| A group of statistical algorithms are proposed for the inversion of the three major components of Case-Ⅱ waters in the coastal area of the Huanghai Sea and the East China Sea.The algorithms are based on the in situ data collected in the spring of 2003 with strict quality assurance according to NASA ocean bio-optic protocols.These algorithms are the first ones with quantitative confidence that can be applied for the area.The average relative error of the inversed and in situ measured components' concentrations are:Chl-a about 37%,total suspended matter (TSM) about 25%,respectively.This preliminary result is quite satisfactory for Case-Ⅱ waters,although some aspects in the model need further study.The sensitivity of the input error of 5% to remote sensing reflectance (Rrs) is also analyzed and it shows the algorithms are quite stable.The algorithms show a large difference with Tassan's local SeaWiFS algorithms for different waters,except for the Chl-a algorithm. |
| 中文摘要: |
| A group of statistical algorithms are proposed for the inversion of the three major components of Case-Ⅱ waters in the coastal area of the Huanghai Sea and the East China Sea.The algorithms are based on the in situ data collected in the spring of 2003 with strict quality assurance according to NASA ocean bio-optic protocols.These algorithms are the first ones with quantitative confidence that can be applied for the area.The average relative error of the inversed and in situ measured components' concentrations are:Chl-a about 37%,total suspended matter (TSM) about 25%,respectively.This preliminary result is quite satisfactory for Case-Ⅱ waters,although some aspects in the model need further study.The sensitivity of the input error of 5% to remote sensing reflectance (Rrs) is also analyzed and it shows the algorithms are quite stable.The algorithms show a large difference with Tassan's local SeaWiFS algorithms for different waters,except for the Chl-a algorithm. |
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