Directional Polarimetric Camera (DPC): Monitoring aerosol spectral optical properties over land from satellite observation

doi:10.1016/j.jqsrt.2018.07.003

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院安徽光学精密机械研究所

	Directional Polarimetric Camera (DPC): Monitoring aerosol spectral optical properties over land from satellite observation
	Li, Zhengqiang 3; Hou, Weizhen 3; Hong, Jin 4; Zheng, Fengxun 3; Luo, Donggen 4; Wang, Jun1,2 ; Gu, Xingfa 3; Qiao, Yanli4
刊名	JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
	2018-10-01
卷号	218 页码:21-37
关键词	Directional Polarimetric Camera (DPC) GaoFen-5 satellite Spectral aerosol optical depth (AOD) Improved BRDF model Inversion capability analysis
ISSN号	0022-4073
DOI	10.1016/j.jqsrt.2018.07.003
通讯作者	Hou, Weizhen(houwz@radi.ac.cn)
英文摘要	The Directional Polarimetric Camera (DPC) is the first Chinese multi-angle polarized earth observation satellite sensor, which will be launched onboard the GaoFen-5 Satellite in Chinese High-resolution Earth Observation Program. GaoFen-5 runs in a sun-synchronous orbit with an inclination angle of 98, with the 13:30 PM local overpass time and the 2-days revisiting period. DPC employed a charge coupled device detection unit with 512 x 512 effective pixels from the 544 x 512 useful pixels, realizing spatial resolution of 3.3 km under a swath width of 1850 km. Meanwhile, DPC has 3 polarized channels (490, 670 and 865 nm) together with 5 non-polarized bands (443, 565, 763, 765 and 910 nm), and can obtain at least 9 viewing angles by continuously capturing series images over the same target on orbit. Based on the optimal estimation theory and improved bidirectional reflectance distribution function model, an inversion framework for the simultaneous retrieval of aerosol and surface parameters is presented by taking full advantage of available radiometric and polarimetric measurements. The retrieved wavelength-independent fine-mode and coarse-mode aerosol volumes are used to assess the DPC performance on the inversion capability of spectral aerosol optical depth (AOD), from which the Angstrom exponent and fine-mode fraction (FMF) could be further obtained. In addition, based on the synthetic DPC data for various observation geometries, aerosols and surface types, the aerosol inversion capabilities are systematically evaluated, and the information content analysis results show that the aerosol spectral optical properties can be well retrieved over various land surfaces. (C) 2018 Elsevier Ltd. All rights reserved.
资助项目	National Key R&D Program of China[2016YFE0201400] ; National Natural Science Foundation of China[41671367] ; National Natural Science Foundation of China[41505022] ; Open Fund of State Key Laboratory of Remote Sensing Science[OFSLRSS201710] ; CCAD start-up funds for the faculty in the University of Iowa
WOS关键词	INFORMATION-CONTENT ANALYSIS ; ANGLE PHOTOPOLARIMETRIC MEASUREMENTS ; BOUND CONSTRAINED OPTIMIZATION ; SKY RADIANCE MEASUREMENTS ; MICROPHYSICAL PROPERTIES ; BIDIRECTIONAL REFLECTANCE ; POLARIZED MEASUREMENTS ; INVERSION ALGORITHM ; SURFACE REFLECTION ; RADIATIVE-TRANSFER
WOS研究方向	Optics ; Spectroscopy
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000444357600003
资助机构	National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; Open Fund of State Key Laboratory of Remote Sensing Science ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/38740]
专题	合肥物质科学研究院_中科院安徽光学精密机械研究所
通讯作者	Hou, Weizhen
作者单位	1.Univ Iowa, Informat Initiat, 4133 Seamans Ctr, Iowa City, IA 52242 USA 2.Univ Iowa, Dept Chem & Biochem Engn, Ctr Global & Reg Environm Studies, 4133 Seamans Ctr, Iowa City, IA 52242 USA 3.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Environm Protect Key Lab Satellite Remote S, Beijing 100101, Peoples R China 4.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Opt Calibrat & Characterizat, Hefei 230031, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Li, Zhengqiang,Hou, Weizhen,Hong, Jin,et al. Directional Polarimetric Camera (DPC): Monitoring aerosol spectral optical properties over land from satellite observation[J]. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER,2018,218:21-37.
APA	Li, Zhengqiang.,Hou, Weizhen.,Hong, Jin.,Zheng, Fengxun.,Luo, Donggen.,...&Qiao, Yanli.(2018).Directional Polarimetric Camera (DPC): Monitoring aerosol spectral optical properties over land from satellite observation.JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER,218,21-37.
MLA	Li, Zhengqiang,et al."Directional Polarimetric Camera (DPC): Monitoring aerosol spectral optical properties over land from satellite observation".JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 218(2018):21-37.