Abstract

The logical explanation about the spatial organization and usage of local capabilities and application of basic strategic to obviate complications is required to identifying the environment and using modern techniques to achieve this goal. Climatic regionalization or knowing different climatic regions is necessary for planning and territory sustainable development. The aim of this research is to recognize the most influential climatic elements affecting the climate of Qazvin province, and the spatial separation of climatic regions by using multivariate statistical methods. To this end, mean data of 28 climatic elements in 20 internal synoptic climatology stations both inside and adjacent to the borders of Qazvin Province were gathered and exploited. The correlated matrices of standardized data of the 28 climatic elements were analyzed using factor analysis in 623 spatial pixels, in the province of Qazvin. This analysis on the correlated matrices of standardized data showed that with 9 principal components, more than 99.21% of the spatial changes of the regional elements in the province can be described. At the same time, the temperature elements, humidity elements and rainfalls have in the central and eastern and north and south evident in the province. Applying agglomerative hierarchical cluster analysis in "ward" method by the combination style applied on the scores of the 9 principal components showed that the province can be classified into 9 climatic regions. This classification is matched a lot with the environmental realities of the province, especially the mountains configuration.

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