Studing the calibration of China’s ocean color sensors using Rayleigh scattering

ZHAO Wei; CHEN Guangming; NIU Shengli

doi:10.3969/j.issn.0253 4193.2013.02.007

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ZHAO Wei, CHEN Guangming, NIU Shengli. Studing the calibration of China’s ocean color sensors using Rayleigh scattering[J]. Haiyang Xuebao, 2013, 35(2): 52-58. doi: 10.3969/j.issn.0253 4193.2013.02.007

Citation:

ZHAO Wei, CHEN Guangming, NIU Shengli. Studing the calibration of China’s ocean color sensors using Rayleigh scattering[J]. Haiyang Xuebao, 2013, 35(2): 52-58. doi: 10.3969/j.issn.0253 4193.2013.02.007

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Studing the calibration of China’s ocean color sensors using Rayleigh scattering

doi: 10.3969/j.issn.0253 4193.2013.02.007

1.
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;Graduate School, Chinese Academy of Sciences, Beijing 100049, China;National Satellite Ocean Application Service, State Oceanic Administration, Beijing 100081, China
2.
National Satellite Ocean Application Service, State Oceanic Administration, Beijing 100081, China

Received Date: 2012-04-18
Rev Recd Date: 2012-06-03

Abstract

Abstract

Ocean color remote sensing is an important technical method for marine environment monitoring. It is vital to monitor the change of the calibration coefficients of the sensors related to their status in producing precise quantitative remote sensing products for all ocean color sensors.Focusing on HY-1B satellite-borne ocean color sensor, absolute calibration over Rayleigh scattering was developed with clear ocean areas. Seven zones were selected by analyzing chlorophyll concentration, water-leaving radiance and aerosol data derived from SeaWiFS measurements. It shows that the calibration coefficients made over different areas at different time are quite consistent. The standard deviations are between 0.9% and 2.1% for all visible bands. It can be concluded that the calibration over Rayleigh scattering is an efficient method independent of in-situ measurements for the absolute calibration of optical sensors from 4 areas selected in December 2010. This method can provide calibration coefficients with 4.09% maximal error.
- ocean color sensor,
- calibration methods,
- absolute calibration over Rayleigh scattering,
- COCTS

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References(14)

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