渭河上游水利水保措施的减水减沙效应分析
黄晨璐, 陈军武, 黄维东, 孙超, 郭西峰

Analysis of water and sediment reducing effects of water conservation measures in the upstream of the Weihe River
Chenlu HUANG, Junwu CHEN, Weidong HUANG, Chao SUN, Xifeng GUO
表3 水利工程取用耗水减水减沙作用分析
Table 3 Runoff and sediment runoff reducing effects due to taking water on water conservancy projects
时段径流量输沙量
实测值/ (108 m3还原量/ (108 m3天然值/ (108 m3还原量占天然值/%实测值/ (108 t)水利工程减沙/(108 t)天然值/ (108 t)水利工程减沙占天然值/%
按转折点分1956 - 1981年20.411.4921.906.81.470.061.533.9
1982 - 2016年12.312.3314.6415.90.390.090.4919.2
按年代分1956 - 1959年18.190.7418.933.91.640.031.671.8
1960 - 1969年24.841.0625.904.11.590.041.632.6
1970 - 1979年17.102.0819.1810.81.350.081.445.8
1980 - 1989年17.802.2620.0611.30.850.090.949.6
1990 - 1999年10.752.3613.1118.00.480.090.5716.5
2000 - 2009年9.882.3112.1918.90.160.090.2537.0
2010 - 2016年12.102.4114.5116.60.150.100.2439.7
1956 - 2016年15.761.9717.7311.10.850.080.938.5