Retrieval of absorption and backscattering coefficients from HJ-1A/CCD imagery in coastal waters | Zendy

Jun Chen | Zendy; Wenting Quan | Zendy; Guoqing Yao | Zendy; Tingwei Cui | Zendy

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Retrieval of absorption and backscattering coefficients from HJ-1A/CCD imagery in coastal waters

Author(s) -

Jun Chen,

Wenting Quan,

Guoqing Yao,

Tingwei Cui

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.005803

Subject(s) - remote sensing , atmospheric correction , satellite , optics , atmospheric optics , absorption (acoustics) , satellite imagery , physics , environmental science , diffuse sky radiation , reflectivity , scattering , geology , astronomy

A simple semi-analytical model (SAB) was developed for computing a(560) and b(b)(550) from HJ-1A/CCD images. By comparison with field measurements, the SAB model produces 5.3-23.5% uncertainty for a(560) and b(b)(550) retrievals. The a(560) and b(b)(550) are also retrieved from satellite images. The match-up analysis results indicate that a(560) and b(b)(550) may be derived from the HJ-1A/CCD images with respective uncertainties of 29.84 and 21.35%. These findings imply that, provided that an atmospheric correction scheme for the green bands is available, the extensive database of HJ-1A/CCD imagery may be used for the quantitative monitoring of optical properties in coastal waters.

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