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New method to estimate surface upwelling long-wave radiation from MODS cloud-free data
Wang, Chunlei1,2; Tang, Bo-Hui1,2; Huo, Xing3; Li, Zhao-Liang1,2,4
2017-06-12
Source PublicationOPTICS EXPRESS
ISSN1094-4087
Volume25Issue:12Pages:A574-A588
Corresponding AuthorHuo, Xing(huoxing@hfut.edu.cn)
AbstractAs an important component in the surface radiation budget, surface upwelling longwave radiation (SUER) is an outcome of the land surface energy exchange and mainly represents the capability of thermal radiation from the surface of the Earth. Existing satellite derived SUER products are too coarse to support high-resolution numerical models, and their accuracy needs to be improved. In this study, an equivalent temperature is introduced through which a "split-window" atmospheric correction algorithm is developed for MODIS data to estimate the instantaneous clear-sky SUER. It is a simple and feasible method that is particularly applicable to MOMS data to acquire relatively high precision SUER under clear skies from which qualified water vapor contents (WVC) and thermal channel brightness temperatures are available. The root mean square errors (RMSEs) are less than 13 W/m(2) for all WVC sub-ranges with the viewing zenith angle (VZA) less than 30, or for all sub-ranges with the VZA less than 60 and the WVC less than 3.5 g/cm(2). Also, applications and comparisons with the LST-emissivity method are made by using ground measurements which are collected from the network of surface radiation budget network data (SURFRAD) at the moment of MODIS overpass. Results show that the proposed model has high computational efficiency to estimate SUER from MODIS cloud-free data, (C) 2017 Optical Society of America
DOI10.1364/OE.25.00A574
WOS KeywordTEMPERATURES ; SENSITIVITY ; VALIDATION
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFA0600103] ; National Natural Science Foundation of China[61572167] ; National Natural Science Foundation of China[61502136] ; National Natural Science Foundation of China[41571353] ; National Natural Science Foundation of China[41231170] ; Innovation-Project of LREIS[O88RA801YA] ; International Cooperation project of Ministry of Science and Technology of China[2015DFA11450]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Innovation-Project of LREIS ; International Cooperation project of Ministry of Science and Technology of China
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000403942300012
PublisherOPTICAL SOC AMER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61345
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHuo, Xing
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Hefei Univ Technol, Sch Math, Hefei 230009, Anhui, Peoples R China
4.Chinese Acad Agr Sci, Minist Agr, Key Lab Agr Remote Sensing, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chunlei,Tang, Bo-Hui,Huo, Xing,et al. New method to estimate surface upwelling long-wave radiation from MODS cloud-free data[J]. OPTICS EXPRESS,2017,25(12):A574-A588.
APA Wang, Chunlei,Tang, Bo-Hui,Huo, Xing,&Li, Zhao-Liang.(2017).New method to estimate surface upwelling long-wave radiation from MODS cloud-free data.OPTICS EXPRESS,25(12),A574-A588.
MLA Wang, Chunlei,et al."New method to estimate surface upwelling long-wave radiation from MODS cloud-free data".OPTICS EXPRESS 25.12(2017):A574-A588.
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