摘要
1950年以来,区域中小型水库、塘坝窖池等水利工程和水土保持工程的建设,地下水超采等人类活动,对永定河官厅山峡水文系列的一致性产生了较大影响。基于新安江-海河模型,对官厅山峡的设计洪水成果进行了修订,经计算,100年一遇频率下,官厅山峡3d设计洪量修订值为2.54×10~8m~3,7d设计洪量修订值3.55×10~8m~3。
The human activities such as meium-and small-sized reservoirs, dams, pits and groundwater overdraft have a great influence on the consistency of hydrological data series in the Guantingshanxia Catchment since 1950. Based on the Xin 'anjiang-Haihe Modle, the design flood was revised for the Guantingshanxia Catchment. The result shows that 3-day designed flood volume is 2.54 ×10~ m~3 and 7-day designed flood volume 3.55×10~8 m~3 under 100-year flood frequency.
引文
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