[1]DONG Yu,Haimiti·Yimiti.Runoff Characteristics and Responses to Precipitation in the Ebinur Lake Basin -A Case Study of Boertala River[J].Research of Soil and Water Conservation,2014,21(02):94-99.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
21
Number of periods:
2014 02
Page number:
94-99
Column:
Public date:
2014-04-28
- Title:
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Runoff Characteristics and Responses to Precipitation in the Ebinur Lake Basin -A Case Study of Boertala River
- Author(s):
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DONG Yu1,2, Haimiti·Yimiti1,3
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1. Key Laboratory of Oasis Ecology of Ministry of Education, Xinjiang University, Urumqi 830046, China;
2. College of Resources and Environment Science, Xinjiang University, Urumqi 830046, China;
3. Key Laboratory of Lake Environment and Resources in Arid Zone, Xinjiang Normal University, Urumqi 830054, China
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- Keywords:
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runoff; precipitation; variation coefficient; concentration ratio; concentration period; Ebinur Lake Basin; Boertala River
- CLC:
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P332.1
- DOI:
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- Abstract:
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To reveal the change characteristics of runoff and their influencing factors has been an important scientific topic for drainage basin management in the arid regions. Taking the Boertala river of Ebinur lake basin as study area, this study analyzed the change trends of the runoff and precipitation in multi-time scales and runoff response to precipitation change according to the precipitation and runoff data in 1964—2012 based on assessment indices of coefficient of variation, concentration degree, concentration period. Resulting indicated that runoff interannual changes were relatively stable and increased insignificantly in Bortala River; the runoff of Boertala River was mainly concentrated from June to August, concentrated in the summer season. Runoff concentration period mainly concentrated in late June to middle of July and rainfall concentration period mainly concentrated from May to July. Correlation between annual runoff and annual precipitation has high relevance (the significant level is more than 0.1, r=0.2372, R0.1=0.2329). There is a hysteresis of runoff to precipitation and hypsteresis period is about 21 days, and the hysteresis period becomes short over time.