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The relationship between soil emissivity and soil reflectance under the effects of soil water content
Tian, Jing1; Song, Shangkun1,2; He, Honglin3
2019-04-01
Source PublicationPHYSICS AND CHEMISTRY OF THE EARTH
ISSN1474-7065
Volume110Pages:133-137
Corresponding AuthorTian, Jing(tianj.04b@igsnrr.ac.cn)
AbstractSignificant changes of surface emissivity have taken place in cities with the rapid urbanization. Surface emissivity influences the radiation budget and the surface energy balance, thereby influences city climate. It is an important parameter in retrieving surface temperature and has close relationship with city heat island effect. This paper attempts to explore the possibility of using soil moisture index (SMI) to estimate soil emissivity (SE). The advantage of using SMI over soil moisture (SM) is that SMI is easily obtained with remotely sensed data. Its advantage over soil reflectance (SR) is that SMI can reflect soil water condition better. On the basis of the careful measurements of the variations of SE and SR with SM for four soil samples, the following results were obtained: (1) Logarithmic function is better than linear function in describing the relationship between SE and SM/SMI; (2) Similar correlation coefficient (R-2) and the Root Mean Square Error (RMSE) between SMI and SE were obtained in comparison with that between SM and SE. Therefore, SMI can replace SM to estimate SE. (3) The index of Water Index SOIL (WISOIL) is the best in the estimation of SE. (4) SE in MODIS 29 waveband is the most sensitive to the change of SM in comparison with SE in the other MODIS thermal wavebands regardless of soil texture.
DOI10.1016/j.pce.2018.11.006
WOS KeywordBARE SOIL ; BAND ; ALBEDO
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFA0602501] ; National Natural Science Foundation of China[41671354] ; National Basic Work of Science and Technology[2015FY110700-S2]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; National Basic Work of Science and Technology
WOS Research AreaGeology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS IDWOS:000468920500015
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/59597
Collection中国科学院地理科学与资源研究所
Corresponding AuthorTian, Jing
Affiliation1.Chinese Acad Sci, IGSNRR, Key Lab Water Cycle & Related Land Surface Proc, A11 Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, IGSNRR, Key Lab Ecosyst Network Observat & Modeling, A11 Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Tian, Jing,Song, Shangkun,He, Honglin. The relationship between soil emissivity and soil reflectance under the effects of soil water content[J]. PHYSICS AND CHEMISTRY OF THE EARTH,2019,110:133-137.
APA Tian, Jing,Song, Shangkun,&He, Honglin.(2019).The relationship between soil emissivity and soil reflectance under the effects of soil water content.PHYSICS AND CHEMISTRY OF THE EARTH,110,133-137.
MLA Tian, Jing,et al."The relationship between soil emissivity and soil reflectance under the effects of soil water content".PHYSICS AND CHEMISTRY OF THE EARTH 110(2019):133-137.
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