Quantitative assessment and spatial characteristic analysis of agricultural drought risk in China

Bin He (), Jianjun Wu (), Aifeng Lü, Xuefeng Cui, Lei Zhou, Ming Liu and Lin Zhao

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2013, vol. 66, issue 2, 155-166

Abstract: Based on the natural disaster analysis theory, the spatial characteristics of agricultural drought risk in China were investigated at 10 × 10 km grid scale. It shows that agricultural drought risk in China has a clear southeast–northwest spatial pattern. High and very high risk mainly occur in the eastern part of Northeast Plain, the central of Inner Mongolian Plateau, the Loess Plateau, north Xinjiang, the north and south of Yangtze Plain, and Yunnan-Guizhou Plateau. Statistics also show that 19.5 % of the main crop planting area is exposed to low risk, 35.1 % of the area to moderate risk, 39.8 % of the area to high risk, and 5.6 % of the area to very high risk. Further investigation shows that 23 % of total wheat growing areas is located in high and very high risk class; corn and rice are 16 % and 14 % respectively. Comprehensive analysis shows that severely affected areas by drought in the history are mainly located in the high and very high risk areas. Copyright Springer Science+Business Media B.V. 2013

Keywords: Agricultural drought; Risk assessment; Spatial characters (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (22)

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DOI: 10.1007/s11069-012-0398-8

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