Study of relationship between urban land vegetation coverage and land surface temperature based on linear spectral mixture analysis

doi:10.7523/j.issn.2095-6134.2010.6.002

Abstract

Abstract:

Urban vegetation is an important parameter in urban temperature and climate study. We used NDVI and VF(vegetation fraction) generated from spectral mixture analysis as urban vegetation cover indicator factors to study the relationship between vegetation cover and LST (land surface temperature). We selected a number of typical samples and studied the relationships between LST and VF and between LST and NDVI based on the linear fitting method. The results indicated that the vegetation coverage decreased linearly as the temperature increased and the relationship between VF and LST was better than that between NDVI and LST. Our results show that VF can be used as vegetation character indicator in urban LST study.

Key words: linear spectral mixture analysis, vegetation coverage, vegetation fraction(VF), land surface temperature(LST), remote sensing

CLC Number:

TP79

LI Hua-Peng, ZHANG Shu-Qing, SUN Yan. Study of relationship between urban land vegetation coverage and land surface temperature based on linear spectral mixture analysis[J]. , 2010, 27(6): 739-747.

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