Acta Geographica Sinica ›› 2020, Vol. 75 ›› Issue (5): 1079-1094.doi: 10.11821/dlxb202005014
• Climate Change and Surface Process • Previous Articles Next Articles
JING Huan1, ZHONG Deyu1,2(), ZHANG Hongwu1, SHI Xufang3, WANG Yanjun1
Received:
2019-06-25
Revised:
2020-03-12
Online:
2020-05-25
Published:
2020-07-25
Contact:
ZHONG Deyu
E-mail:zhongdy@mail.tsinghua.edu.cn
Supported by:
JING Huan, ZHONG Deyu, ZHANG Hongwu, SHI Xufang, WANG Yanjun. The accumulation phenomenon and stochastic model in fluvial processes[J].Acta Geographica Sinica, 2020, 75(5): 1079-1094.
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Tab. 1
River characteristic parameters for the studied cross sections and channel reaches
枢纽名称 | 所在河流 | 年平均流量(m3/s) | 断面(河段) 编号 | 距坝里程 (km) | 河流 特征量 | 测试时段(a) | 测量次数 | |
---|---|---|---|---|---|---|---|---|
建库前 | 建库后 | |||||||
胡佛大坝 | 科罗拉多河 | 520 | 400 | CHD-1—CHD-3 | 10~36 | 累积冲刷深度 | 1935—1948 | 15 |
帕克大坝 | 230 | 340 | CPD-1—CPD-3 | 39~95 | 1938—1975 | 16 | ||
戴维斯大坝 | 400 | 340 | CDD-1—CDD-2 | 1~9 | 1948—1975 | 28 | ||
佩克堡大坝 | 密苏里河 | 200 | 280 | MFP-1—MFP-3 | 9~75 | 河宽 | 1936—1973 | 8 |
加里森大坝 | 600 | 660 | MGD-1—MGD-3 | 32~54 | 1949—1976 | 6 | ||
加文斯角大坝 | 930 | 740 | MGP-1—MGP-3 | 7~48 | 1955—1974 | 5 | ||
丹江口水库 | 汉江 | 1335 | 1091 | 黄家港—皇庄 | 3~270 | 枯水位降低值 | 1960—1976 | 6 |
三门峡水库 | 黄河 | 1522 | 1412 | 小浪底—利津 | 61~678 | 冲淤量 | 1961—1984 | 21 |
四站—潼关(库区) | - | 1965—1984 | 20 | |||||
小浪底水库 | 黄河 | 1266 | 807 | 小浪底—利津 | 61~678 | 2000—2015 | 16 | |
三峡水库 | 长江 | 14027 | 12873 | 宜昌—湖口 | 30~807 | 2003—2016 | 14 |
Tab. 2
Values of the crucial parameter in equation (18)
垂向调整 | 衰减系数α | 横向调整 | 衰减系数α | 全河段调整 | 衰减系数α |
---|---|---|---|---|---|
CHD-1—CHD-3 | 0.30, 0.40, 0.30 | MGP-1—MGP-3 | 0.40, 0.45, 0.50 | 三门峡库区四站—潼关 | 0.40 |
CPD-1—CPD-3 | 0.14, 0.22, 0.09 | MFP-1—MFP-3 | 0.18, 0.15, 0.05 | 黄河全下游(1968—1975年) | 0.45 |
CDD-1—CDD-2 | 0.17, 0.16 | MGD-1—MGD-3 | 0.60, 0.25, 0.40 | 黄河全下游(1976—1984年) | 0.40 |
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