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JOURNAL OF NATURAL RESOURCES >

2018 , Vol. 33 >Issue 2: 325 - 336

DOI: https://doi.org/10.11849/zrzyxb.20170013

Resource Evaluation

Risk Assessment of Drought Disaster in Southwest China under the Background of Climate Warming

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  • Institute of Arid Meteorology, China Meteorological Administration, Key Laboratory of Arid Climatic Changing and Reducing Disaster of Gansu Province, Key Laboratory of Arid Change and Disaster Reduction of CMA, Northwestern Regional Center of Numerical Weather Prediction Lanzhou 730020, China

Received date: 2017-01-06

  Revised date: 2017-06-16

  Online published: 2018-02-23

Supported by

National Key Basic Research Program of China, No. 2013CB430206National Natural Science Foundation of China, No. 41775105Gansu Meteorological Bureau Project, No. GSMAMs2017-09. ]

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Abstract

This paper used nationwide standard data of temperature, precipitation at basic stations, NCAR/NCEP soil moisture data and various economic data to analyze the risk factors of drought disaster in Southwest China. It indicated that the risk of drought disaster-inducing factor was higher in Sichuan and Yunnan provinces and the risk increased in the southeastern Sichuan, Yunnan and western Guizhou after the climate warming. The environmental sensibility of disaster was higher in the middle and the southeastern part of Southwest China, and environmental sensibility increased in eastern Sichuan, Guizhou and eastern Yunnan after climate warming. The vulnerability of hazard was higher in the middle and east part of Southwest China where the population density, economy density and proportion of cultivated land area were high. The ability of preventing and reducing disaster was higher in the middle of Sichuan, northeastern Yunnan and northern Guizhou. The area with the highest risk of drought disaster distributed in eastern Yunnan, eastern Sichuan, western Guizhou and Chongqing, and the risk increased in southeastern Sichuan and western Yunnan after climate warming.

Key words： climate warming; drought disaster; risk assessment; Southwest China

Cite this article

LIU Yuan-pu, WANG Su-ping, WANG Jin-song, WANG Zhi-lan . Risk Assessment of Drought Disaster in Southwest China under the Background of Climate Warming[J]. JOURNAL OF NATURAL RESOURCES, 2018 , 33(2) : 325 -336 . DOI: 10.11849/zrzyxb.20170013

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