Vicarious Radiometric Calibration of Ocean Color Bands for FY-3D/MERSI-II at Lake Qinghai, China

doi:10.3390/s21010139

HFCAS OpenIR

	Vicarious Radiometric Calibration of Ocean Color Bands for FY-3D/MERSI-II at Lake Qinghai, China
	Chen, Shengli 1,2; Zheng, Xiaobing1 ; Li, Xin1 ; Wei, Wei1 ; Du, Shenda 1,2; Guo, Fuxiang 1,2
	2021
发表期刊	SENSORS
通讯作者	Zheng, Xiaobing(xbzheng@aiofm.ac.cn)
摘要	To calibrate the low signal response of the ocean color (OC) bands and test the stability of the Fengyun-3D (FY-3D)/Medium Resolution Spectral Imager II (MERSI-II), an absolute radiometric calibration field test of FY-3D/MERSI-II at the Lake Qinghai Radiometric Calibration Site (RCS) was carried out in August 2018. The lake surface and atmospheric parameters were mainly measured by advanced observation instruments, and the MODerate spectral resolution atmospheric TRANsmittance algorithm and computer model (MODTRAN4.0) was used to simulate the multiple scattering radiance value at the altitude of the sensor. The results showed that the relative deviations between bands 9 and 12 are within 5.0%, while the relative deviations of bands 8, and 13 are 17.1%, and 12.0%, respectively. The precision of the calibration method was verified by calibrating the Aqua/Moderate-resolution Imaging Spectroradiometer (MODIS) and National Polar-orbiting Partnership (NPP)/Visible Infrared Imaging Radiometer (VIIRS), and the deviation of the calibration results was evaluated with the results of the Dunhuang RCS calibration and lunar calibration. The results showed that the relative deviations of NPP/VIIRS were within 7.0%, and the relative deviations of Aqua/MODIS were within 4.1% from 400 nm to 600 nm. The comparisons of three on-orbit calibration methods indicated that band 8 exhibited a large attenuation after launch and the calibration results had good consistency at the other bands except for band 13. The uncertainty value of the whole calibration system was approximately 6.3%, and the uncertainty brought by the field surface measurement reached 5.4%, which might be the main reason for the relatively large deviation of band 13. This study verifies the feasibility of the vicarious calibration method at the Lake Qinghai RCS and provides the basis and reference for the subsequent on-orbit calibration of FY-3D/MERSI-II.
关键词	vicarious calibration ocean color water-leaving radiance radiative transfer
DOI	10.3390/s21010139
关键词[WOS]	ABOVE-WATER ; ATMOSPHERIC CORRECTION ; SEAWIFS ; RADIANCE ; SITE ; VALIDATION ; RETRIEVAL ; SENSORS ; SYSTEM
收录类别	SCI
语种	英语
资助项目	National Key R&D Program of China[2018YFB0504600 (2018YFB0504604)] ; Anhui Provincial Natural Science Foundation[1908085QD158] ; CASHIPS Director's Fund[YZJJ2020QN4]
项目资助者	National Key R&D Program of China ; Anhui Provincial Natural Science Foundation ; CASHIPS Director's Fund
WOS研究方向	Chemistry ; Engineering ; Instruments & Instrumentation
WOS类目	Chemistry, Analytical ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS记录号	WOS:000606095900001
出版者	MDPI
引用统计	被引频次：9[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/119966
专题	中国科学院合肥物质科学研究院
通讯作者	Zheng, Xiaobing
作者单位	1.Chinese Acad Sci, Hefei Inst Phys Sci, Anhui Inst Opt & Fine Mech, Key Lab Opt Calibrat & Characterizat, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Chen, Shengli,Zheng, Xiaobing,Li, Xin,et al. Vicarious Radiometric Calibration of Ocean Color Bands for FY-3D/MERSI-II at Lake Qinghai, China[J]. SENSORS,2021,21.
APA	Chen, Shengli,Zheng, Xiaobing,Li, Xin,Wei, Wei,Du, Shenda,&Guo, Fuxiang.(2021).Vicarious Radiometric Calibration of Ocean Color Bands for FY-3D/MERSI-II at Lake Qinghai, China.SENSORS,21.
MLA	Chen, Shengli,et al."Vicarious Radiometric Calibration of Ocean Color Bands for FY-3D/MERSI-II at Lake Qinghai, China".SENSORS 21(2021).