ZHANG Zhi-ling,FAN Hao-ming,GUO Cheng-jiu,et al.The Temporal and Spatial Variation of Runoff and Sediment Discharge in Liuhe River Basin[J].Research of Soil and Water Conservation,2008,15(01):229-231.
柳河流域径流、泥沙时变过程研究
- Title:
- The Temporal and Spatial Variation of Runoff and Sediment Discharge in Liuhe River Basin
- 分类号:
- S157;P332.5
- 摘要:
- 柳河是东北地区泥沙问题最为严重的河流之一，具有河道泥沙淤积严重、大量沉积以及向辽河泥沙输出量高等特点。对柳河流域径流、泥沙要素从20世纪中叶到21世纪初的年内分配及年际变化进行时变过程分析，并研究径流量与泥沙输沙量的相关关联系数及关联度，结果表明，柳河流域径流量年内及年际分配都很不均匀，且有随时间的发展更不均匀的趋势。径流量与输沙量之间有着很密切的相关关系，各站的关联度由0.560～0.921不等，但总体上，关联度较大。
- Abstract:
- Liuhe River basin is one of the most serious rivers in the sediment problem of the northeast region, having the characteristics of river sediment to silt up severity, a great deal of deposition and outputting the quantity high toward the Liao River.This text analyzed runoff and sediment discharge of temporal and spatial variation from the middle of 20 centuries to 21 centuries, and studied runoff and sediment discharge to close related connection coefficient and connection of amount of sand.As a result, the Liuhe River basin runoff temporal and spatial variation is asymmetry, and have with time of development, more the trend of asymmetry.Runoff with sediment discharge has a very close relation, the connection of each station from 0.560 to 0.921, but total up, the connection is bigger.
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备注/Memo
收稿日期:2006-12-11
基金项目:辽宁省教育厅高等学校科学研究项目（05L403）；国家自然科学基金项目（40601054）
作者简介:张志玲（1983- ），女，辽宁葫芦岛人，硕士研究生，从事土壤侵蚀模拟、流域侵蚀、产沙方面的研究。