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Comprehensive Evaluation of Climate in Guangdong Province Based on Rasterization

DENG Shan-shan et al (School of Geographical Science,Guangzhou University,Guangzhou,Guangdong 510006)  
According to the meteorological data of 78 key meteorological stations during 1965 and 2007 in Guangdong Province,with latitude and longitude,altitude,water and heat as the main factors of climate,this study aimed to respectively analyze the annual mean temperature,accumulated temperature over 10 ℃,aridity index,annual precipitation and annual precipitation variation by building the "regression analysis of the residual + amendments" model and then in each sub-area,using the method of Inverse Distance Weighted(IDW) to interpolate meteorological data with a grid of 1km×1km as an evaluation unit.Finally this essay comprehensively evaluated the climate with the method of analytic hierarchy process(AHP) and revealed the climatic conditions and space patterns in Guangdong Province.
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