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三峡水库蓄水后长江干支流及消落带泥沙颗粒特征分析
Alternative TitleParticle Size Characteristics of Sediment in Draw Down Area of Upper Yangtze River and Its Major Tributaries of Three Gorges Reservoir
阎丹丹; 鲍玉海; 贺秀斌; 唐强; 钟荣华; 高进长
Corresponding Author鲍玉海
2014-08
Source Publication水土保持通报
Volume28Issue:4Pages:289-292
Other Abstract 采集长江干支流悬移质泥沙和长江干流典型消落带沉积剖面泥沙,通过分析其颗粒组成了解三峡水库水位变化下泥沙特性的时空变化。结果表明:空间上从江津到忠县悬移质泥沙呈现沿程逐渐细化的趋势;时间上旱季高水位时期忠县石宝镇悬移质泥沙较粗,而雨季低水位时期悬移质泥沙较细。2010-2011年消落带总沉积泥沙大致呈随采样点海拔的增加而逐渐变粗的趋势,而消落带多年净沉积泥沙粗细变化受海拔影响不大。悬移质和沉积泥沙在时空上的变异多数表现为:砂粒变异系数最大,粘粒次之,粉粒最小。 
; To understand the spatial and temporal variations of sediment caused by the Three Gorges reservoir water level fluctuation,sediment and suspended load in upper Yangtze River and its major tributaries of Three Gorges Reservoir were collected and their particle size distribution were analyzed.The results were as follows:From Jiang Jin to Zhong County,suspended load had a tendency of being finer.The suspended load in Shibao Town was finer in dry season than in rainy season.From 2010 to 2011,the total sediment in draw down area became coarser as the altitude of sampling sites became higher,but it seemed that the altitude had few effects on the multi-year net sediment.Spatial and temporal variations of sediment and suspended load were mostly shown as:The CV of sand was maximum,clay came second,silt was minimum. 
Keyword悬移质泥沙 沉积泥沙 粒径分布 消落带 三峡水库
Indexed ByCSCD
Language中文
CSCD IDCSCD:5218882
Funding Organization中国科学院西部行动计划项目(KZCX2XB309);国家自然科学青年基金(41201272);国家科技支撑计划课题(2011BAD31B03);中国科学院西部之光人才培养计划一般项目
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7565
Collection山地表生过程与生态调控重点实验室
Recommended Citation
GB/T 7714
阎丹丹,鲍玉海,贺秀斌,等. 三峡水库蓄水后长江干支流及消落带泥沙颗粒特征分析[J]. 水土保持通报,2014,28(4):289-292.
APA 阎丹丹,鲍玉海,贺秀斌,唐强,钟荣华,&高进长.(2014).三峡水库蓄水后长江干支流及消落带泥沙颗粒特征分析.水土保持通报,28(4),289-292.
MLA 阎丹丹,et al."三峡水库蓄水后长江干支流及消落带泥沙颗粒特征分析".水土保持通报 28.4(2014):289-292.
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