中国农业气象 ›› 2009, Vol. 30 ›› Issue (S1): 177-180.

• 论文 • 上一篇    

安徽省一季稻涝灾判别指标初探

许莹;马晓群;岳伟;   

  1. 安徽省气象科学研究所;
  • 出版日期:2009-12-15 发布日期:2009-12-15
  • 基金资助:

    安徽省气象科研项目“安徽省一季稻涝灾损失评估方法研究”(KM0703)

Studies on Discriminant Index of Flood Disaster for Single-season Rice in Anhui Province

XU Ying,MA Xiao-qun,YUE Wei(Anhui Meteorological Institute,Hefei 230031,China)   

  • Online:2009-12-15 Published:2009-12-15

摘要: 涝灾是影响安徽省一季稻产量的主要气象灾害。本文利用安徽省一季稻主产区21个台、站1961-2005年的气象资料,分析了降水量、雨日、日照时数和一季稻相对气象产量的关系,以及典型涝灾年一季稻减产的致灾因子,确定了综合考虑降水量、雨日和作物实际蒸散等作用的安徽省一季稻涝灾损失指标和分级标准,并应用该指标统计分析了安徽省一季稻近45a来不同程度涝灾发生的频率,结果显示,沿淮地区是涝灾的多发区。

关键词: 一季稻, 涝灾识别, 指标, 安徽省

Abstract: Flood disaster was major meteorological disaster of impacting the yield of single-season rice in Anhui province.The relationship between the precipitation,rain days,sunshine hours and relative meteorological yield were analyzed by using meteorological data of 21 stations in single-season rice main production areas in Anhui province from 1961 to 2005.The hazard factors of single-season rice yield losses in typical years were analyzed too.The indexes and grade standards of flood disaster issues to single-season rice were determined by comprehensive consideration of precipitation,rain days and actual crop evapotranspiration.The frequency of flood disaster with different degree for single-season rice was statistically analyzed by using such indexes in Anhui province in recent 45 years.It showed that the area along Yanhuai was the frequent area of flood disaster.

Key words: Single-season rice, Identification of flood disaster, Indexes, Anhui province.