干旱区生态环境知识资源中心(Arid): Validation of AERONET-Estimated Upward Broadband Solar Fluxes at the Top-Of-The-Atmosphere with CERES Measurements

Arid

DOI	10.3390/rs11182168
	Validation of AERONET-Estimated Upward Broadband Solar Fluxes at the Top-Of-The-Atmosphere with CERES Measurements
	Sicard, Michael 1,2
通讯作者	Sicard, Michael
来源期刊	REMOTE SENSING
EISSN	2072-4292
出版年	2019
卷号	11 期号:18
英文摘要	The AERONET (Aerosol Robotic Network) global network provides estimations of broadband solar radiative fluxes at the surface and at the TOA (Top-Of-the-Atmosphere). This paper reports on the validation of AERONET flux estimations at the TOA with the CERES (Clouds and the Earth's Radiant Energy System) instrument. The validation was made at eight AERONET sites worldwide with at least seven years of Level 2.0 and Version 3 data and representatives of mineral dust, biomass burning, background continental, and urban-industrial aerosol regimes. To co-locate in time and space the AERONET and CERES fluxes, several criteria based on time and distance differences and cloud coverage were defined. When the strictest criterion was applied to all sites, the linear relationship between the observed and estimated fluxes (y = 1.04x - 3.67 Wm(-2)) was very close to the 1:1 ideal line. The correlation coefficient was 0.96 and nearly all points were contained in the +/- 15% region around the 1:1 line. The average flux difference was -2.52 Wm(-2) (-0.84% in relative terms). AERONET overestimations were observed at two sites and were correlated with large aerosol optical depth (AOD) (>0.2) Underestimations were observed at one desert site and were correlated with large surface albedos (>0.2).
英文关键词	Top-Of-the-Atmosphere (TOA) upward solar fluxes AERONET CERES flux comparison
类型	Article
语种	英语
国家	Spain
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000489101500098
WOS关键词	ANGULAR-DISTRIBUTION MODELS ; ENERGY SYSTEM CERES ; RADIATIVE-TRANSFER ; AEROSOL PROPERTIES ; SATELLITE ; NETWORK ; CLOUDS ; INSTRUMENTS ; TERRA
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218420
作者单位	1.Univ Politecn Cataluna, Dept Signal Theory & Commun, CommSensLab, ES-08034 Barcelona, Spain; 2.Univ Politecn Cataluna, CTE CRAE, IEEC, ES-08034 Barcelona, Spain
推荐引用方式 GB/T 7714	Sicard, Michael. Validation of AERONET-Estimated Upward Broadband Solar Fluxes at the Top-Of-The-Atmosphere with CERES Measurements[J],2019,11(18).
APA	Sicard, Michael.(2019).Validation of AERONET-Estimated Upward Broadband Solar Fluxes at the Top-Of-The-Atmosphere with CERES Measurements.REMOTE SENSING,11(18).
MLA	Sicard, Michael."Validation of AERONET-Estimated Upward Broadband Solar Fluxes at the Top-Of-The-Atmosphere with CERES Measurements".REMOTE SENSING 11.18(2019).

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