The Variation And Utilization Of Water
Resources In The Heihe River Basin
Author(s)
J. Wu, Y. Ding, R. Chen, G. Wang & Y. Shen
Abstract
The Heihe River basin, draining an area nearly 130,000 km2, is the second
largest inland river basin in China. The upper reach, namely the Qilian
mountainous area, is the formation area of runoff and water resources. The
method of time series analysis is applied to annual runoff series to analyze the
dynamic variation of headstreams. The results show that the variation of the
runoff is slightly decreased. The plains in the middle reach are the main
consumptive regions of water resources in the basin. The time series analysis
method is also applied to the annual runoff series. It shows there is a significant
decreasing trend and it indicates an over-consumption of water resources in this
area. A historical analysis proves this. Also, the irrational utilization of water
resources has caused a series of detrimental environmental effects, which are
summarized as water environment change, land desertification and salinization,
and vegetation degeneracy. A water consumption model of the mainstream area
is established to analyze the characteristics of water consumption in the middle
reach. The simulated result shows that water consumption increases by about
1040×104 m3/yr on average.
Keywords: runoff variation, water consumption, time series analysis method,
Heihe River basin.
1 Introduction
The Heihe River Basin, located in the northwest China, is the second largest
inland river basin in China (Fig. 1). It covers from N 37°41′—42°42′and E
96°42′ — 102° 00′，with an area of 12.83×104 km2. Heihe River originates from
Qilian Mountains in the south, flows through the middle basin called as Hexi
Keywords
runoff variation, water consumption, time series analysis method,
Heihe River basin.
Related Book
Other papers in this volume
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