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WANG Xiao-hong, QIAO Yun-feng, SHEN Rong-kai, YIN Zheng-jie, HU Tie-song. Drought risk assessment model for irrigation region[J]. Advances in Water Science, 2004, 15(1): 77-81.
Citation: WANG Xiao-hong, QIAO Yun-feng, SHEN Rong-kai, YIN Zheng-jie, HU Tie-song. Drought risk assessment model for irrigation region[J]. Advances in Water Science, 2004, 15(1): 77-81.

Drought risk assessment model for irrigation region

Funds:  The project is supported by National Natural Science Foundation of China (No.50239090).
  • Received Date: 2002-10-28
  • Rev Recd Date: 2003-01-30
  • Publish Date: 2004-01-25
  • In this paper,based on the risk analysis theory,a risk assessment model for agricultural drought is developed,which includes the occurrence probability of drought,capacity of drought prevention,percentage of planting area,etc.The relative yield is introduced as the agricultural drought index reflecting the impaction of water transport in the SPAC system on the yield.By means of the index and the model,the agricultural drought risk of irrigation area is evaluated,which analyses the living phase of crops with the highest influence on risk degree of crops and the crop of the most risk degree.The results would greatly benefit to establish reasonable scheme of drought prevention and alleviate the disaster loss.
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    [3] 王石立,娄秀荣.华北地区冬小麦干旱风险评估的初步研究[J].自然灾害学报,1997,6(3):64-68.
    [4] Petak W J,Atkisson A.Natural hazard risk assessment and public policy[M].Springer-Verlag NewYork lnc,1982.62-122.
    [5] Sastri A S R A S.Agricultural Drought Management Strategies to Alleviate Impacts; Examples from the Arid and Subhumid Regions of the Indian Subcontinent[A].In:Wilhite,D A.Drought Assessment,Management,and Planning[C].Kluwer Academic Publishers,1992.31-48.
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    [9] Parry M L,Carter T R,Konijn N T.The Impacts of Climatic Variations on Agricultural,Volume 2:Assessments in Semiarid Regions,Kluwer Academic Publishers,1988,325-342.
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Drought risk assessment model for irrigation region

Funds:  The project is supported by National Natural Science Foundation of China (No.50239090).

Abstract: In this paper,based on the risk analysis theory,a risk assessment model for agricultural drought is developed,which includes the occurrence probability of drought,capacity of drought prevention,percentage of planting area,etc.The relative yield is introduced as the agricultural drought index reflecting the impaction of water transport in the SPAC system on the yield.By means of the index and the model,the agricultural drought risk of irrigation area is evaluated,which analyses the living phase of crops with the highest influence on risk degree of crops and the crop of the most risk degree.The results would greatly benefit to establish reasonable scheme of drought prevention and alleviate the disaster loss.

WANG Xiao-hong, QIAO Yun-feng, SHEN Rong-kai, YIN Zheng-jie, HU Tie-song. Drought risk assessment model for irrigation region[J]. Advances in Water Science, 2004, 15(1): 77-81.
Citation: WANG Xiao-hong, QIAO Yun-feng, SHEN Rong-kai, YIN Zheng-jie, HU Tie-song. Drought risk assessment model for irrigation region[J]. Advances in Water Science, 2004, 15(1): 77-81.
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