Journal of Mountain Science

, Volume 13, Issue 3, pp 465–475 | Cite as

Risk assessment of maize drought disaster in southwest China using the Environmental Policy Integrated Climate model

  • Hui-cong Jia
  • Dong-hua Pan
  • Jing LiEmail author
  • Wan-chang Zhang
  • Rasul Ghulam


The East Asian monsoon has a tremendous impact on agricultural production in China. An assessment of the risk of drought disaster in maize-producing regions is therefore important in ensuring a reduction in such disasters and an increase in food security. A risk assessment model, EPIC (Environmental Policy Integrated Climate) model, for maize drought disasters based on the Erosion Productivity Impact Calculator crop model is proposed for areas with the topographic characteristics of the mountainous karst region in southwest China. This region has one of the highest levels of environmental degradation in China. The results showed that the hazard risk level for the maize zone of southwest China is generally high. Most hazard index values were between 0.4 and 0.5, accounting for 47.32% of total study area. However, the risk level for drought loss was low. Most of the loss rate was <0.1, accounting for 96.24% of the total study area. The three high-risk areas were mainly distributed in the parallel ridge-valley areas in the east of Sichuan Province, the West Mountain area of Guizhou Province, and the south of Yunnan Province. These results provide a scientific basis and support for the reduction of agricultural drought disasters and an increase in food security in the southwest China maize zone.


Vulnerability Risk assessment Drought EPIC model Maize Southwest China 


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Copyright information

© Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Hui-cong Jia
    • 1
  • Dong-hua Pan
    • 2
  • Jing Li
    • 3
    Email author
  • Wan-chang Zhang
    • 1
  • Rasul Ghulam
    • 4
  1. 1.State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital EarthChinese Academy of SciencesBeijingChina
  2. 2.National Disaster Reduction Center of ChinaMinistry of Civil Affairs of the People’s Republic of ChinaBeijingChina
  3. 3.Satellite Environment CenterMinistry of Environmental ProtectionBeijingChina
  4. 4.Pakistan Meteorological DepartmentIslamabadPakistan

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