Energy-Water Balance and Ecosystem Response to Climate Change in Southwest China

Jianhua Wang, Yaohuan Huang, Dong Jiang and Xiaoyang Song

A chapter in Topics in Climate Modeling from IntechOpen

Abstract: It is important to highlight energy-water balance and ecosystem response to climate changes. The change of water-energy balance and ecosystem due to climate change will affect the regional ecological and human living significantly, especially in Southwest China which is an ecologically fragile area. This chapter presents the retrieval methodology of parameters (reconstruction of vegetation index, land cover semi-automatic classification, a time series reconstruction of land surface temperature based on Kalman filter and precipitation interpolation based on thin plate smoothing splines), time-series analysis methodology (land cover change, vegetation succession and drought index) and correlate analysis methodology (correlation coefficient and principal component analysis). Then, based on the above method, remote sensing data were integrated, a time series analysis on a 30-year data was used to illustrate the water-energy balance and ecosystem variability in Southwest China. The result showed that energy-water balance and ecosystem (ecosystem structures, vegetation and droughts) have severe response to climate change.

Keywords: energy-water balance; climate change; ecosystem; droughts estimation; vegetation index; time series analysis; land cover change (search for similar items in EconPapers)
JEL-codes: Q54 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:102674

DOI: 10.5772/64960

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