南京大学学报(自然科学版) ›› 2010, Vol. 46 ›› Issue (3): 349–357.

• • 上一篇    

 长江大通站床沙粒径变化及其对流域工程建设的响应分析*

 何 坚 1 , 潘少明 1 ** , 沙红良 2 , 陈望琴 2   

  • 出版日期:2015-03-30 发布日期:2015-03-30
  • 作者简介: ( 1. 南京大学地理与海洋科学学院, 海岸与海岛开发教育部重点实验室, 南京, 210093;
    2. 长江水利委员会水文下游局大通水文站, 安徽池州, 247126)
  • 基金资助:
     国家基础科学人才培养基金( J0630535) , 国家重点基础研究发展规划项目( 2002CB412401)

 The analysis on the grain size variation of bed materials at Datong Hydrological Station and its response to the project constructions along the Yangtze River

 H eJ ian 1 , Pan Shao Ming 1 , Sha H ong Liang 2 , Chen Wang Qin 2   

  • Online:2015-03-30 Published:2015-03-30
  • About author: (1. Ministry of Education Key Laboratory for Coastal and Island Development, School of Geographic and
    Oceanographic Sciences, Nanjing University, Nanjing, 210093, China;
    2. Datong Hydrological Station of Downstream Hydrological Bureau of Changjiang
    Water Resources Committee, Anhui Chizhou, 247126, China)

摘要：  根据长江大通水文站 1977- 2006 年的水文监测资料, 研究分析出大通站床沙物质组成主要为砂(94?48%) 和粉砂(3?78%) , 粘土( 0 ? 77%) 和砾石(0?95%) 的含量较少. 利用肯德尔秩相关检验和
有序聚类分析等方法, 着重对床沙中值粒径时间序列进行了统计分析, 结果表明大通站床沙粒径在1977- 2006 年间呈现出整体变粗的趋势. 并且, 1980 年和 1994 年为阶梯上升的跳跃点, 跳跃幅度分别
为 11 ? 4%和 2 ? 3%, 2003 年为阶梯下降的跳跃点, 跳跃幅度为- 4 3%. 研究表明, 1977- 2003 年通过大通站水文断面的水流含沙量下降是导致大通站河床粗化的主要原因, 水流含沙量下降导致水流挟沙力
增大, 对河床侵蚀能力增加. 而含沙量的下降主要是受葛洲坝等水利工程建设及长江上游**长治长防工程 影响所致. 2003 年以来, 大通站床沙粒径有所减小, 可能是受到三峡水库的影响.

Abstract:  According to the hydrological data( 1977- 2006) from Datong Hydrological Station, it was found that the majority of the bed materials were sands( 94 -48%) and silt( 3 - 78%). Probability statistics and time series
method such as Kendall method and sequential cluster method were used to analyze the grain size variation of bed materials at Datong Hydrological Station. T he median diameter of bed materials has tended to increase gradually
during 1977- 2006. The grain size variation of bed materials is mainly in the form of jumping during 1977 to 2006,with 1980 and 1994 as its hopping sites of step on, and 2003 as its hopping site of step down. The jumping ranges
are 11?4%, 2 - 3% and - 4 -3% respectively. T he change point analysis shows that the decline of suspended sediment concentration is the main reason for the coarsening of bed during 1977 to 2003, which is caused by water
conservation projects ( such as Gezhou Dam) as well as Soil and Water conservation focal harness project in the upper and middle reaches of Yangtze River and Protection Forest Project in the Yangtze River. Sediment carrying capacity
of river flow increases with the decline of suspended sediment concentration, as well as the riverbed erosiveness, which can promote the exchange between suspended sediments and bed materials. Since 2003, the grain size of bed
materials has tended to decrease, which is possibly influenced by the Three Gorges Reservoir.

 [ 1 ] Xu J X. Distribution characteristics of river pat-terns in alluvial rivers with different bed materi-als. Progress in Natural Science, 2002, 12( 8): 870~ 873. ( 许炯心. 不同床沙组成的冲积河流
中河型的分布特征. 自然科学进展, 2002, 12 (8) : 870~ 873).
[ 2 ] Zhu J Y. The bedsand variation and the bedload transportation in the upstream of the Yangtze River. Journal of Hydroelectric Engineering,
1999(3): 86~ 102. ( 朱鉴远. 长江上游床沙变化和卵砾石推移质输移研究. 水力发电学报, 1999(3): 86~ 102) .
[ 3 ] Zhu J Y. Analysis on the causes of vertical of bed material in the middle and lower reaches of the Yangtze River. Journal of Sediment Re-search, 2000(1): 40~ 45. ( 朱鉴远. 长江中下游床沙组成垂直变化成因分析. 泥沙研究, 2000 (1) : 40~ 45).
[ 4 ] Zhao Y W, Chen Z Y. Sediment distribution in the Yangtze River channel below Wuhan. Acta Geographica Sinica, 2003, 58( 2): 223~ 230. (赵怡文, 陈中原. 长江中下游河床沉积物分布特征. 地理学报, 2003, 58( 2) : 223~ 230) .
[ 5 ] Chen X Q, Yan Y X, Tong C F, et al. Analy-sis on the changes of the grain size of bottom sediments in the Yangtze Estuary. Progress in
Natural Science, 2007, 17(2) : 233~ 239. ( 陈西庆, 严以新, 童朝峰等. 长江输入河口段床沙粒径的变化及机制研究. 自然科学进展, 2007, 17(2): 233~ 239).
[ 6 ] Wentworth C K. A scale of grade and class terms for clastic sediments. Geology, 1922, 30 (5) : 377~ 392.
[ 7 ] Ding J, Deng Y R. Stochastic hydrology. Chengdu: Chengdu University of Science andTechnology Publishing, 1988, 76~ 87. ( 丁 -晶, 邓育人. 随机水文学. 成都: 成都科技大学出版社, 1988, 76~ 87) .
[ 8 ]Dai H C, He W S, Yuan J, et al. Analysis on scour and deposit variation characteristic of sed-iment after the operation of Gezhouba hydro
project. Advances in Water Science, 2005, 16 ( 5) : 691~ 695. (戴会超, 何文社, 袁?杰等. 葛洲坝水利枢纽运行后泥沙冲淤变化分析. 水科学进展, 2005, 16( 5) : 691~ 695).
[ 9 ] Shi Z, Long C P. Analysis on fluvial process of downstream reaches of Gezhouba project. Jour-nal of Yangtze River Scientific Research Institu?
te, 2000, 17(1): 13~ 16. (师 ?哲, 龙超平. 葛 洲坝枢纽下游河段河床演变分析. 长江科学院院报, 2000, 17( 1) : 13~ 16) .
[ 10] Changjiang Water Resources Commission. Wa ter and soil conservation communiqu-of the Yangtze River basin. Wuhan: Changjiang Water Resources Commission, 2007. ( 水利部长江水
利委员会. 长江流域水土保持公报. 武汉: 长江水利委员会, 2007).
[ 11] Shi M D. Analysis of relationship between soil and water loss and flood disasters in Yangtze River basin. Journal of Soil Erosion and Soil and
Water Conservation, 1995, 5( 1) : 1~ 7. ( 史明德. 长江流域水土流失与洪涝灾害剖析. 土壤侵蚀与水土保持学报, 1999, 5(1): 1~ 7).
[ 12] Zhang R, Wang Y P, Pan S M . Analysis with wavelet and Hilbert?Huang transform on monthly water discharges at Datong Station, Yangtze River. Journal of Nanjing University
( Natural Sciences) , 2006, 42( 4): 423~ 434. ( 张瑞, 汪亚平, 潘少明. 长江大通站径流量的时间系列分析. 南京大学学报( 自然科学) , 2006, 42(4): 423~ 434) .
[ 13] Chen X, Zong Y, Zhang E, et al. Human impacts on the Changjiang (Yangtze) River basin, China, with special reference to the impacts on
the dry season water discharge into the sea. Ge -omorphology, 2001, 41(2- 3) : 111~ 123.
[ 14] Chu Z X, Zhai S K, Zhang L, et al. Effects of T hree Gorges reservoir water storages in 2003 on the median grain size of suspended sediment
of the Yangtze River. Transaction of Oceanolo-gy and Limnology, 2007, 23~ 28. ( 褚忠信, 翟世奎, 章?磊等. 三峡水库 2003 年蓄水对长江悬沙中值粒径的影响. 海洋湖沼通报, 2007, 23~ 28).
[ 15] Lu J Y, Huang R, Gong P. Scouring and silting variation in middle and lower channel of the Yangtze River after T GP. Yangtze River,
2006, 37( 9) : 55~ 58. ( 卢金友, 黄 悦, 宫 平. 三峡工程运用后长江中下游冲淤变化. 人民长江, 2006, 37(9): 55~ 58) .
[ 16] Wang J, Zhang O Y, Xiong M . The impact of initial water impoundment on sediment transport of Three Gorges reservoir. Journal of Hydroe
lectric Engineering, 2007, 26( 5) : 102~ 106. (王 俊, 张欧阳, 熊?明. 三峡水库首次蓄水对泥沙输移特性的影响. 水力发电学报, 2007, 26 (5): 102~ 106).
[ 17] Chen L, Wu M W, Zhang J Y. Effect of the Three Gorges Project on sediment transporta-tion of the Yangtze estuary. Resources and En-ironment in the Yangtze Basin, 2003, 12( 1):
50~ 54. ( 陈?立, 吴门伍, 张俊勇. 三峡工程蓄水运用对长江口径流来沙的影响. 长江流域资源与环境, 2003, 12(1): 50~ 54) .
[ 18] Lin C K. The flood and waterlogging disasters influenced by the changes of runoff and sediment at Dongting Lake. Journal of Nanjing Uni
versity (Natural Sciences) , 1994, 30(1): 133~ 134. ( 林承坤. 洞庭湖水沙变化对洪涝灾害的影响. 南京大学学 报( 自然科学), 1994, 30( 1): 133~ 144).
[ 19] Ministry of Water Resources of the People% s Republic of China. China Water Resources Bulletin (1997- 2006). Beijing: China Water Resources Hydropower. ( 中华人民共和国水利部编. 中国水资源公报( 1997- 2006). 北京: 中国水利水电出版社) .
[ 20] Ministry of Water Resources of the People% s Republic of China. China River Sediment Bulletin ( 2000- 2006) . Beijing: China Water Resources Hydropower. ( 中华人民共和国水利部
编. 中国河流泥沙公报( 2000- 2006) . 北京: 中国水利水电出版社) .
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