海勃湾水库排沙效果及影响因素
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王克志, 刘晓民, 刘廷玺, 杨耀天, 罗强
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Effect and influencing factors of sediment discharge in Haibowan Reservoir
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Kezhi Wang, Xiaomin Liu, Tingxi Liu, Yaotian Yang, Qiang Luo
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表1 海勃湾水库汛期入出库流量、输沙率、坝前水位及排沙比变化
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Table 1 Changes of inflow and outflow discharge, sediment transport rate, water level in front of dam and sediment discharge ratio in Haibowan Reservoir during flood season
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年份 | 入库流量/(m3·s-1) | | 出库流量/(m3·s-1) | | 入库输沙率/(t·s-1) | 坝前最低 水位/m | 水库排沙比/% |
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均值 | 最大值 | 出现时间 | 均值 | 最大值 | 出现时间 | 均值 | 最大值 | 出现时间 |
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2014 | 1 084 | 1 640 | 10-15 | | 1 040 | 1 760 | 10-20 | | 2.206 | 6.940 | 08-20 | 1 070.00 | 13.94 | 2015 | 792 | 1 610 | 10-14 | | 741 | 1 430 | 10-15 | | 1.522 | 10.305 | 08-15 | 1 070.00 | 9.14 | 2016 | 695 | 1 480 | 10-19 | | 691 | 1 140 | 10-28 | | 1.454 | 11.100 | 10-20 | 1 070.00 | 9.84 | 2017 | 810 | 1 440 | 10-26 | | 777 | 1 380 | 10-26 | | 1.581 | 4.680 | 08-24 | 1 070.52 | 8.03 | 2018 | 2 284 | 3 480 | 10-07 | | 2 204 | 3 470 | 10-10 | | 10.812 | 87.800 | 07-28 | 1 071.50 | 15.13 | 2019 | 2 094 | 3 060 | 07-20 | | 1 946 | 2 980 | 07-21 | | 4.828 | 9.820 | 08-02 | 1 069.08 | 20.74 | 2020 | 2 294 | 3 330 | 08-25 | | 2 214 | 3 290 | 08-25 | | 4.617 | 20.787 | 08-11 | 1 067.68 | 62.16 | 2021 | 1 044 | 2 200 | 10-23 | | 1 346 | 2 100 | 10-24 | | 1.123 | 7.589 | 10-24 | 1 073.18 | 15.04 |
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