兰州大学机构库 >资源环境学院
A Multi-Scale Validation Strategy for Albedo Products over Rugged Terrain and Preliminary Application in Heihe River Basin, China
Lin, Xingwen1,3; Wen, Jianguang1,2; Liu, Qinhuo1,2; Xiao, Qing1; You, Dongqin1,2; Wu, Shengbiao1,3; Hao, Dalei1,3; Wu, Xiaodan4
2018-02
Source PublicationREMOTE SENSING
ISSN2072-4292
Volume10Issue:2
AbstractThe issue for the validation of land surface remote sensing albedo products over rugged terrain is the scale effects between the reference albedo measurements and coarse scale albedo products, which is caused by the complex topography. This paper illustrates a multi-scale validation strategy specified for coarse scale albedo validation over rugged terrain. A Mountain-Radiation-Transfer-based (MRT-based) albedo upscaling model was proposed in the process of multi-scale validation strategy for aggregating fine scale albedo to coarse scale. The simulated data of both the reference coarse scale albedo and fine scale albedo were used to assess the performance and uncertainties of the MRT-based albedo upscaling model. The results showed that the MRT-based model could reflect the albedo scale effects over rugged terrain and provided a robust solution for albedo upscaling from fine scale to coarse scale with different mean slopes and different solar zenith angles. The upscaled coarse scale albedos had the great agreements with the simulated coarse scale albedo with a Root-Mean-Square-Error (RMSE) of 0.0029 and 0.0017 for black sky albedo (BSA) and white sky albedo (WSA), respectively. Then the MRT-based model was preliminarily applied for the assessment of daily MODerate Resolution Imaging Spectroradiometer (MODIS) Albedo Collection V006 products (MCD43A3 C6) over rugged terrain. Results showed that the MRT-based model was effective and suitable for conducting the validation of MODIS albedo products over rugged terrain. In this research area, it was shown that the MCD43A3 C6 products with full inversion algorithm, were generally in agreement with the aggregated coarse scale reference albedos over rugged terrain in the Heihe River Basin, with the BSA RMSE of 0.0305 and WSA RMSE of 0.0321, respectively, which were slightly higher than those over flat terrain.
Keywordland surface albedo multi-scale validation rugged terrain MRT-based model MCD43A3 C6
DOI10.3390/rs10020156
Publication PlaceBASEL
Indexed BySCIE
Language英语
First Inst
Funding Project国家自然科学基金项目
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing
Project NumberChinese Natural Science Foundation Project [41601380, 41671363]
WOS IDWOS:000427542100003
Funding OrganizationNSFC
PublisherMDPI
Original Document TypeArticle
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lzu.edu.cn/handle/262010/195975
Collection资源环境学院
Corresponding AuthorWen, Jianguang; Liu, Qinhuo
Affiliation1.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China
2.Joint Ctr Global Change Studies JCGCS, Beijing 100875, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Lanzhou Univ, Coll Earth Environm Sci, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Lin, Xingwen,Wen, Jianguang,Liu, Qinhuo,et al. A Multi-Scale Validation Strategy for Albedo Products over Rugged Terrain and Preliminary Application in Heihe River Basin, China[J]. REMOTE SENSING,2018,10(2).
APA Lin, Xingwen.,Wen, Jianguang.,Liu, Qinhuo.,Xiao, Qing.,You, Dongqin.,...&Wu, Xiaodan.(2018).A Multi-Scale Validation Strategy for Albedo Products over Rugged Terrain and Preliminary Application in Heihe River Basin, China.REMOTE SENSING,10(2).
MLA Lin, Xingwen,et al."A Multi-Scale Validation Strategy for Albedo Products over Rugged Terrain and Preliminary Application in Heihe River Basin, China".REMOTE SENSING 10.2(2018).
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