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The Preliminary Investigation on the Uncertainties Associated With Surface Solar Radiation Estimation in Mountainous Areas
Huang, Pan1,2; Zhao, Wei1; Li, Ainong1
Corresponding AuthorWei Zhao ; Li, Ainong
2017
Source PublicationIEEE GEOSCIENCE AND REMOTE SENSING LETTERS
ISSN1545-598X
EISSN1558-0571
Volume14Issue:7Pages:1071-1075
SubtypeArticle
Abstract

In mountainous areas, surface solar radiation (SSR) exhibits high spatiotemporal variation at different slopes and aspects due to its great topographic relief. To get mountain SSR spatial distribution, remote sensing-based methods have been popularly used, which separate SSR into direct solar radiation, diffuse sky radiation, and adjacent terrain radiation. However, the methods are highly depended on the atmospheric and angular information derived from different data sources. To clearly address the uncertainties associated with the estimation, this letter conducted a preliminary comparison study by using different atmospheric transmittance models and digital elevation model (DEM) data to retrieve SSR in the Mt. Gongga region. The comparison results indicated that the uncertainty of the atmospheric constituent data greatly limited the performance of the physical atmospheric transmittance models. The resolution of DEM data also played an important role in SSR determination because of the determination of surface angular information. High-resolution (30-m) DEM data showed better performance than low one (90 m). In addition, the systematic underestimation of SSR estimation with the empirical model was significantly improved by using the averaging method with nearby pixel values. It indicated that the geometric errors of satellite image and DEM data should be considered in the estimation.

KeywordComparative Analysis Mountainousareas Surface Solar Radiation (Ssr) Topographic Effect
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1109/LGRS.2017.2696973
WOS Subject ExtendedGeochemistry & Geophysics ; Engineering ; Remote Sensing ; Imaging Science & Photographic Technology
Indexed BySCI
WOS KeywordTERRAIN ; MODELS ; PARAMETERS ; ACCURACY
Language英语
Quartile3区
TOP
WOS SubjectGeochemistry & Geophysics ; Engineering, Electrical & Electronic ; Remote Sensing ; Imaging Science & Photographic Technology
WOS IDWOS:000404291500018
Funding OrganizationNational Key Research and Development Program of China(2016YFA0600103) ; National Natural Science Foundation of China(41401425 ; Hundred Young Talents Program of the Institute of Mountain Hazards and Environment(SDSQB-2015-02) ; Youth Innovation Promotion Association CAS(2016333) ; 41631180)
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18785
Collection数字山地与遥感应用中心
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Huang, Pan,Zhao, Wei,Li, Ainong. The Preliminary Investigation on the Uncertainties Associated With Surface Solar Radiation Estimation in Mountainous Areas[J]. IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,2017,14(7):1071-1075.
APA Huang, Pan,Zhao, Wei,&Li, Ainong.(2017).The Preliminary Investigation on the Uncertainties Associated With Surface Solar Radiation Estimation in Mountainous Areas.IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,14(7),1071-1075.
MLA Huang, Pan,et al."The Preliminary Investigation on the Uncertainties Associated With Surface Solar Radiation Estimation in Mountainous Areas".IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 14.7(2017):1071-1075.
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