Climate-induced changes in groundwater runoff in Don basin

被引：0
|
作者：
R. G. Dzhamalov
N. L. Frolova
M. B. Kireeva
T. I. Safronova
机构：
[1] Russian Academy of Sciences,Water Problems Institute
[2] Moscow State University,undefined
来源：
Water Resources | 2010年 / 37卷
关键词：
climate; air temperature; precipitation; water resources; river runoff; groundwater runoff; zero runoff; groundwater; natural resources;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The natural-climatic causes of changes in river runoff and seasonal recharge of groundwater in Don basin are considered. Joint analysis is made of changes in the statistical characteristics of the series of air temperature and precipitation, mean annual and dry-season-averaged runoff for both the entire observation period and of periods 1940–1969 and 1970–2000 with comparable durations. The presence of statistically reliable ascending trends in air temperature, precipitation, and dry-season (groundwater) runoff for period 1970–2005 is demonstrated. Climatic changes in Don basin also have their effect on the formation of extremely low water in small and medium rivers, including cases of zero runoff. Zoning of the territory by runoff formation conditions is carried out, and new estimates of natural groundwater resources in Don basin for period 1970–2000 are constructed. Appropriate maps are compiled.
引用
收藏
页码：733 / 742
页数：9
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