IGSNRR OpenIR
Intercomparison of AMSR2-and MODIS-Derived Land Surface Temperature Under Clear-Sky Conditions
Huang, Cheng1,2; Duan, Si-Bo2; Jiang, Xiao-Guang1,3; Han, Xiao-Jing2; Wu, Hua4; Gao, Maofang2; Leng, Pei2; Li, Zhao-Liang2,4
2019-09-01
Source PublicationIEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
ISSN1939-1404
Volume12Issue:9Pages:3286-3294
Corresponding AuthorDuan, Si-Bo(duansibo@caas.cn)
AbstractLand surface temperature (LST) is an important parameter in various fields, including hydrological, meteorological, and agricultural studies. Passive microwave techniques provide a practicable method to retrieve LST under both clear and cloudy conditions. In this study, LST derived from Advanced Microwave Scanning Radiometer 2 (AMSR2) brightness temperature data during nighttime in the period 2015-2016 using a physically-based algorithm was compared with Moderate Resolution Imaging Spectroradiometer (MODIS) LST product MYD11A1 over 16 study sites that represent four different land cover types, i.e., barren/sparsely vegetated, grasslands, croplands, and evergreen broadleaf forest. Compared to MODIS-derived LST, the root-mean-square error (RMSE) of AMSR2-derived LST is 6.0 K and the bias is 4.4 K over all study sites. For barren/sparsely vegetated sites, LST was overestimated by 6.7 K. To eliminate the systematic bias induced by the penetration depth effect of microwave radiation over barren/sparsely vegetated sites, a linear regression between AMSR2- and MODIS-derived LST was applied and the RMSE decreases from approximately 7.8 to 3.5 K. For the other three land cover types, the bias ranges from approximately 1.4 to 4.2 K and the RMSE ranges from approximately 2.1 to 5.9 K. The bias between AMSR2- and MODIS-derived LST is related to vegetation coverage. The value of bias increases with the decrease of normalized difference vegetation index. Furthermore, the RMSE has a strong dependency on precipitable water vapor (PWV). It presents a descending pattern of RMSE with the increase of PWV.
KeywordAdvanced Microwave Scanning Radiometer 2 (AMSR2) intercomparison land surface temperature (LST) Moderate Resolution Imaging Spectroradiometer (MODIS)
DOI10.1109/JSTARS.2019.2935737
WOS KeywordMONITORING AGRICULTURAL DROUGHT ; MICROWAVE ; RETRIEVAL ; ALGORITHM ; PRODUCTS ; SOIL ; VALIDATION ; RADIATION ; WEATHER ; NDVI
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41871275] ; National Natural Science Foundation of China[41571352]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaEngineering ; Physical Geography ; Remote Sensing ; Imaging Science & Photographic Technology
WOS SubjectEngineering, Electrical & Electronic ; Geography, Physical ; Remote Sensing ; Imaging Science & Photographic Technology
WOS IDWOS:000489785800011
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/129847
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDuan, Si-Bo
Affiliation1.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
2.Chinese Acad Agr Sci, Key Lab Agr Remote Sensing, Minist Agr, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Key Lab Quantitat Remote Sensing Informat Technol, Acad Optoelect, Beijing 100094, Peoples R China
4.Chinese Acad Sci, State Key Lab Resources & Environm Informat Syst, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Huang, Cheng,Duan, Si-Bo,Jiang, Xiao-Guang,et al. Intercomparison of AMSR2-and MODIS-Derived Land Surface Temperature Under Clear-Sky Conditions[J]. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,2019,12(9):3286-3294.
APA Huang, Cheng.,Duan, Si-Bo.,Jiang, Xiao-Guang.,Han, Xiao-Jing.,Wu, Hua.,...&Li, Zhao-Liang.(2019).Intercomparison of AMSR2-and MODIS-Derived Land Surface Temperature Under Clear-Sky Conditions.IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,12(9),3286-3294.
MLA Huang, Cheng,et al."Intercomparison of AMSR2-and MODIS-Derived Land Surface Temperature Under Clear-Sky Conditions".IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 12.9(2019):3286-3294.
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