地理科学 ›› 2011, Vol. 31 ›› Issue (2): 153-158.doi: 10.13249/j.cnki.sgs.2011.02.153

• 论文 • 上一篇    下一篇

区域干旱帕默尔旱度指标的修正

张伟东, 石霖   

  1. 辽宁师范大学生命科学学院, 辽宁 大连 116029
  • 收稿日期:2010-04-02 修回日期:2010-06-28 出版日期:2011-02-20 发布日期:2011-02-20
  • 基金资助:
    辽宁省教育厅科技项目(L2010239)、国家自然科学基金项目(50979035)资助。

Modification of Palmer Drought Severity Index of Regional Drought

ZHANG Wei-dong, SHI Lin   

  1. Biology Department of Liaoning Normal University, Dalian, Liaoning 116029, China
  • Received:2010-04-02 Revised:2010-06-28 Online:2011-02-20 Published:2011-02-20

摘要: 帕默尔旱度模式是评估干旱严重程度的重要模型,20世纪引入中国后,安顺清等人相继进行了修正,但是多采用的是单个站点数据进行运算,在研究大尺度的区域时则不适用,文章将各研究区站点数据平均整合,并以辽宁省范围内辽河流域片的7个代表性区域进行建模,以海滦河流域、淮河流域、黄河流域、长江流域的23个代表性区域相关资料为权重因子进行修正,同时利用综合水平衡模型对原帕默尔旱度模式中的水量平衡模型进行替换,经过对修正模式的验证,结果显示符合实际情况,对于区域干旱研究具有实际意义。

Abstract: The Palmer Drought Severity Model is an important model to estimate the severity of drought.After being introduced into China in the 20th century, a series of corrections have been made by An Shunqing, etc.This method is used to the operation by the data from single site.We averaged the data of single site and then integrated them.We constructed the model with seven typical sites of Liaohe basin in Liaoning.And we used the data gained from other 23 stations from the Haihe-Luanhe River basin, the Huaihe River basin, the Huanghe River basin and the Changjiang River basin as basic data and relevant data to obtain the weighting coefficient.And we use the Synthetical Water Equilibrium Model replace the former one.After the corroboration, the result accords with the fact, and be meaningful to the research of regional drought.

中图分类号: 

  • S16