Long-range cross-correlation between urban impervious surfaces and land surface temperatures
Qin NIE , Jianhua XU , Wang MAN
Front. Earth Sci. ›› 2016, Vol. 10 ›› Issue (1) : 117 -125.
Long-range cross-correlation between urban impervious surfaces and land surface temperatures
The thermal effect of urban impervious surfaces (UIS) is a complex problem. It is thus necessary to study the relationship between UIS and land surface temperatures (LST) using complexity science theory and methods. This paper investigates the long-range cross-correlation between UIS and LST with detrended cross-correlation analysis and multifractal detrended cross-correlation analysis, utilizing data from downtown Shanghai, China. UIS estimates were obtained from linear spectral mixture analysis, and LST was retrieved through application of the mono-window algorithm, using Landsat Thematic Mapper and Enhanced Thematic Mapper Plus data for 1997–2010. These results highlight a positive long-range cross-correlation between UIS and LST across People’s Square in Shanghai. LST has a long memory for a certain spatial range of UIS values, such that a large increment in UIS is likely to be followed by a large increment in LST. While the multifractal long-range cross-correlation between UIS and LST was observed over a longer time period in the W–E direction (2002–2010) than in the N–S (2007–2010), these observed correlations show a weakening during the study period as urbanization increased.
urban impervious surface / land surface temperature / long-range cross-correlation / Shanghai
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Higher Education Press and Springer-Verlag Berlin Heidelberg
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