陆水水库近期泥沙淤积规律分析  

Analysis on sedimentation law in Lushui Reservoir in recent period

作　　者：蔺秋生[1,2] 李荣辉[1] 戴小琳 郑桂平 

机构地区：[1]长江科学院河流所,湖北武汉430010 [2]清华大学水沙科学与水利水电工程国家重点实验室,北京100084 [3]长江水利委员会陆水试验枢纽管理局,湖北赤壁437300

出　　处：《人民长江》2011年第10期7-9,共3页Yangtze River

基　　金：中央级公益性科研院所基本科研业务费项目(YWF1020);水利部公益性行业专项经费项目(201001007)

摘　　要：为了加强对已建水库泥沙淤积规律的分析总结,在已有研究成果的基础上,利用最新实测水文地形资料,分析研究了陆水水库近40 a来相关水文泥沙变化指标。分析结果表明,陆水水库近年来多年平均入库径流量约28.8亿m3,水库来水量年际间变化较大;入库水流含沙量不大,干流入库站崇阳站多年平均悬移质含沙量0.137 kg/m3,年输沙量73.2万t。目前,陆水水库淤积形态呈近似三角洲淤积;库区泥沙淤积总量不大,1967~2006年间库区泥沙淤积量约占水库总库容的4%,占死库容的16.3%,但局部库段泥沙淤积问题比较突出。Based on the related results ever existed,the characteristics of incoming water and sediment load into Lushui Reservoir in recent 40 years,the amount of sedimentation in the reservoir,longitudinal and transversal deposition distribution and the impact of sedimentation,are analyzed with up-to-date hydrological and topographical data.The results show that,in recent years,the mean annual runoff of the reservoir is about 28.8 × 108m3,the variation of annual runoff is relatively larger;the inflow has a low sediment concentration,and the mean annual suspended load concentration is 0.137kg/m3 at Chongyang station with an annual sediment load of 732 × 104t.At present,the longitudinal profile of deposition in the reservoir is slightly delta-shaped;the amount of sedimentation is still at a low level except some specific parts of the reservoir.In 1967~2006,the reservoir sedimentation amount was about 4% of its total storage,and 16.3% of the dead storage;however,the sedimentation of regional reservoir section is severe.

关 键 词：水库泥沙 淤积规律 淤积分析 陆水水库 

分 类 号：TV145[水利工程—水力学及河流动力学]