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[1]MENG Meng,ZONG Meijuan.Study of Aridity Trend of China in 20th Century by Using de Martonne Method[J].Research of Soil and Water Conservation,2018,25(03):128-132.

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Study of Aridity Trend of China in 20th Century by Using de Martonne Method

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 03 Page number: 128-132 Column: Public date: 2018-04-10

Title:: Study of Aridity Trend of China in 20th Century by Using de Martonne Method

Author(s):: MENG Meng¹, ZONG Meijuan²; 1. Shandong University of Technology, Zibo, Shandong 255049, China;
2. Zibo Vocational Institute, Zibo, Shandong 255314, China

Keywords:: aridity index; climatic change; ariditification; desertification

CLC:: P467

DOI:: -

Abstract:: We calculated and analyzed the dynamic variation of aridity index in China during the 20th century. The results were interpolated by using GIS software, the digital maps of aridity index distribution were made, and the drought trend was discussed. The results show that humid climate area in China reduced gradually, semi-humid and semi-arid climate areas increased especially, and the arid area increased too. From the southeast to the northwest in China, the climate was gradually drying up in 20th century. The arid area in the northwest and north of China expanded to the south and east.

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