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Alternative TitleOn-board vicarious calibration of FY-3C UV total ozone unit
张卓; 王维和; 王后茂; 王咏梅
Source Publication光学精密工程
Keyword在轨定标 紫外遥感 臭氧总量 风云三号 紫外臭氧总量探测仪 真实性检验


Other Abstract

Previously,ozone products could not be generated due to the abnormal solar irradiance for a total ozone unit(TOU)on FY-3C,because the instrumental degradation coefficient could not be measured.After investigating the irradiation measurement data and degradation trends of FY-3B/TOU and combining this with FY-3C/TOU radiance and irradiance data,methods for calculating instrumental degradation coefficients were explored based on clear ocean pixel data.An area in the atmosphere above the Pacific Ocean was chosen as a representativecleanatmospheric sample,which is an area without pollution,to calculate the radiation from the earth and the model radiation with a vector radiative transfer mode.By selecting clear pixels and comparing measured and modeled values, the FY-3C/TOU instrument degradation with time was evaluated.On comparing the new total ozone results with WMO/WOUDC data,it is found that the change in the satellite monitoring data over time and the site results agreed well.Further,the mean square error of the two results is within 5%. Thus,the clear-sky pixels method for FY-3C/TOU works well and has the potential to solve problems regarding in-orbit radiation calibrations.

Indexed ByEI ; CSCD
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
张卓,王维和,王后茂,等. FY-3C卫星紫外臭氧总量探测仪的在轨替代定标[J]. 光学精密工程,2019,27(2):326-333.
APA 张卓,王维和,王后茂,&王咏梅.(2019).FY-3C卫星紫外臭氧总量探测仪的在轨替代定标.光学精密工程,27(2),326-333.
MLA 张卓,et al."FY-3C卫星紫外臭氧总量探测仪的在轨替代定标".光学精密工程 27.2(2019):326-333.
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