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Analysis on Hydrological Regimes of the Medium and Small Rivers in hami of xinjiang——Take Toudaogou Basin as an Example

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Meteorological and Environmental Research 2013年第10期4卷 37-40,44页

作者： Ruozihan Tayier Guangxiao Luo Hydrology and Water Resources Survey Bureau in hami of xinjiang

[ Objective] The research aimed to analyze hydrological regimes of the medium and small rivers in hami of xinjiang. [ Method] According to actual observation data at Toudaogou hydrological station during 1956 -2010, climate, runoff, flood, sediment and water quality in the basin were analyzed. [ Result] Runoff in Toudaogou River was mainly from bedrock fissure water and rainfall, and depended on temperature and precipi- tation in the catchment zone. Runoff in Toudaogou River had very big change during the year. Runoff in whole year mainly concentrated during April -June, which occupied 57.9% of annual runoff. Flood in Toudaogou basin was divided into spring and summer flood from time, and snowmelt and rainstorm flood from type. Sediment load was related to terrain, gradient, runoff, precipitation, flood and process. Suspended sediment load at Toudaogou hydrological station had close relationship with the annual maximum flow capacity of flood peak, and related coefficient was 0.917. [ Conclusion] Hydrological regime in Toudaogou basin basically represented corresponding hydrological information of rivers without glacier water supply in hami even whole western arid zone of China. The research could provide theoretical basis for scientifically using water resources of the medium and small rivers in the zone.

关键词： Hydrological regime Medium and small dvers Toudaogou basin hami of xinjiang China

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