Influences On Changes of Precipitation in Shaanxi Province

WEI Xu-dong; LIU Yin-ge; MIAO Qi-long

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Influences On Changes of Precipitation in Shaanxi Province

- Influences On Changes of Precipitation in Shaanxi Province
- Bulletin of Soiland Water Conservation Vol. 23, Issue 4, Pages: 40-43(2004)
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- Published：2004
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WEI Xu-dong, LIU Yin-ge, MIAO Qi-long. Influences On Changes of Precipitation in Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2004, 23(4): 40-43.
DOI：

WEI Xu-dong, LIU Yin-ge, MIAO Qi-long. Influences On Changes of Precipitation in Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2004, 23(4): 40-43. DOI：

摘要

利用陕西省20个测站1951—2000年(4—9月)的降水资料

用相关统计方法

分析了陕西省降水量的变化特征

并对降水量进行了预测。结果表明

4—9月降水量呈减少趋势

尤以20世纪90年代降水量减少最为显著。预测表明21世纪前10a陕西省降水量有增加趋势。同时分析了降水变化对河川径流、沙漠化及水土流失的可能影响。

Abstract

Annual and monthly(April to September)precipitation data from 20 stations in Shaanxi Province for the period 1951 to 2000 are used in relative statistical calculations.The characteristics of rainfall stability and change revealed by these calculations are analyzed.Results show that average precipitation has changed little

but there have been short and long periods of the change

with change particularly evident in the 1990s.Precipitation trends are forecasted

and further analysis reveals that precipitation will tend toward an increase in the period 2001-2010.Finally

the influence of rainfall on river flow

soil and water loss and desertification are analyzed.

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Related Institution

School of Chemistry and Environment， Jiaying University

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