Application of Drought Disaster Loss Assessment Based on Improved Grain Disaster Loss Rate Model

摘要：

　　In this article,the factors affecting grain yield are analysed,which mainly consider the planting area and yield per unit area.An improved grain disaster loss rate model was bnlt,and the evaluation of grain loss based on the improved model was studyed.For the typical area Xi an,using 1992 ~ 2008 grain growth statistical material,the grain drought loss rate of eight counties (districts) under the typical area were evaluated.The results show that grain drought loss rate is at an average of almost3.9% for nearly 17 years.Among them,drought loss rate in Changan is the highest,being 5.89%,Huxian s is the lowest,being 2.76%.

关键词： planting area yield per unit area disaster loss rate drought loss evaluation

作者: Li Yan Liang Zhongmin Zhao Weimin Liu Xiaowei

作者单位: College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China Hydrology Bureau of Yellow River Conservancy Commission, Zhengzhou, 450004, China

会议类型: 国际会议

会议名称: The 5th International Yellow River Forum (第五届黄河国际论坛)

会议地点: 郑州

会议语种:英文

页码: 473-478

在线出版日期: 2012-09-24（万方平台首次上网日期，不代表论文的发表时间）