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A physically based algorithm for land surface emissivity retrieval from combined mid-infrared and thermal infrared data
Li, ZL; Petitcolin, F; Zhang, RH
2000-12-01
Source PublicationSCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES
Volume43Pages:23-33
AbstractOn the basis of the concept of the two-channel Temperature-independent Spectral Indices (TISI), a physically based method is developed to extract the directional emissivities in mid-infrared and thermal infrared channels from day-night space measurements. A phenomenological model with three parameters is also proposed in this paper to describe the angular variations of the reflectivity (or emissivity). Having applied the proposed method to AVHRR data on an area covering the Iberian Peninsula (rather vegetated) and on a region centered on Tunisia (arid area), one can see from the results that the terrestrial surfaces do not behave as Lambertian reflector and angular variations of bidirectional reflectivity for bare soils appear to be azimuth-independent whereas those for vegetation present a pronounced backscattering effect, As for directional emissivities, values of vegetated areas are found to be higher and remain rather constant whatever the view angle is. On the contrary, on arid areas, values are found to be rather low and present significant angular variations.
SubtypeArticle
KeywordLand Surface Emissivity Bidirectional Reflectivity Tisi
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedEngineering ; Materials Science
WOS KeywordAVHRR DATA ; TEMPERATURE ; IMAGES
Indexed BySCI
Language英语
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000166711500004
PublisherSCIENCE PRESS
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68268
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, ZL
Affiliation1.Lab Sci Image Informat & Teledetect, F-67400 Illkirch, France
2.Chinese Acad Sci, Inst Geog, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Li, ZL,Petitcolin, F,Zhang, RH. A physically based algorithm for land surface emissivity retrieval from combined mid-infrared and thermal infrared data[J]. SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES,2000,43:23-33.
APA Li, ZL,Petitcolin, F,&Zhang, RH.(2000).A physically based algorithm for land surface emissivity retrieval from combined mid-infrared and thermal infrared data.SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES,43,23-33.
MLA Li, ZL,et al."A physically based algorithm for land surface emissivity retrieval from combined mid-infrared and thermal infrared data".SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES 43(2000):23-33.
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