Acta Geographica Sinica, Volume. 75, Issue 7, 1494(2020)
Figures & Tables(17)
Fig. 3. Temporal changes of water and sediment conditions at Huayuankou station
Fig. 4. Annual average values of main-channel cross-sectional parameters in different reaches
Fig. 5. Temporal changes of relative main-channel cross-sectional parameters in different reaches
Fig. 6. Relationships between main-channel area and 4 a moving average water and sediment conditions in different reaches
Fig. 7. Relationships between main-channel width and 4 a moving average water and sediment conditions in different reaches
Fig. 8. Relationships between main-channel depth and 4 a moving average water and sediment conditions in different reaches
Fig. 9. Relationships between main-channel cross-sectional geomorphic coefficient and 4 a moving average water and sediment conditions in different reaches
Fig. 10. Comparison between computed and measured main-channel area in different reaches
Fig. 11. Comparison between computed and measured main-channel width in different reaches
Fig. 12. Comparison between computed and measured main-channel depth in different reaches
Fig. 13. Comparison between computed and measured main-channel cross-sectional geomorphic coefficient in different reaches
Fig. 14. Downstream changes of exponents
Fig. 15. Downstream changes of weights of previous water and sediment conditions to main-channel cross-sectional parameters
Table 1. Statistics of incoming water and sediment conditions at Huayuankou station in different periods
View tableView in ArticleTable 1. Statistics of incoming water and sediment conditions at Huayuankou station in different periods
时期 1961—1964年 1965—1973年 1974—1980年 1981—1985年 1986—1999年 2000—2015年 径流量(亿m3) 582.50 430.10 391.00 503.58 279.16 254.48 输沙量(亿t) 7.87 13.99 10.95 9.00 6.86 0.95 含沙量(kg/m3) 13.50 32.54 28.00 17.86 24.57 3.73 来沙系数(kg·s/m6) 0.0073 0.0239 0.0226 0.0112 0.0278 0.0046
Table 2. Coefficient values of Eq. (4) for main-channel cross-sectional parameters in different reaches
View tableView in ArticleTable 2. Coefficient values of Eq. (4) for main-channel cross-sectional parameters in different reaches
河段 K a b β R 2K a b β R 2主槽面积( A )主槽河宽( W )花高段 0.69 1.34 -0.40 0.42 0.89 0.05 1.50 -0.12 0.35 0.86 高孙段 0.75 1.28 -0.38 0.40 0.86 1.13 0.93 -0.04 0.34 0.86 孙艾段 4.40 0.97 -0.21 0.37 0.89 11.12 0.57 -0.02 0.34 0.80 艾利段 23.35 0.71 -0.17 0.35 0.94 42.87 0.32 0.04 0.24 0.94 主槽水深( h )主槽断面河相系数( ξ )花高段 12.08 -0.13 -0.31 0.27 0.90 0.01 0.94 0.25 0.11 0.87 高孙段 0.64 0.36 -0.34 0.42 0.79 1.09 0.15 0.36 0.12 0.63 孙艾段 0.38 0.42 -0.21 0.42 0.88 10.26 -0.18 0.26 0.25 0.62 艾利段 0.45 0.43 -0.23 0.45 0.86 14.53 -0.29 0.30 0.31 0.71
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Yanjun WANG, Baosheng WU, Deyu ZHONG.
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Received: May. 27, 2019
Accepted: --
Published Online: Jan. 27, 2021
The Author Email: WANG Yanjun (yanjun1113@126.com)
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