Multi-target optimization management method for underground water in land subsidence region
A multi-objective optimization and land subsidence technology, applied in the field of multi-objective optimization management of groundwater in land subsidence areas, can solve problems such as low calculation efficiency, strong randomness of human operation, and inability to realize global search, etc., to achieve enhanced diversity and convergence, Improve the selection strategy and improve the effect of convergence
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[0036] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0037] like figure 1 As shown, a multi-objective optimal management method for groundwater in land subsidence areas includes the following steps:
[0038] Step 1: Establish a groundwater land subsidence simulation model to describe the temporal and spatial distribution of groundwater head and land subsidence in the land subsidence area.
[0039]The invention adopts the SUB-WT model introduced by the United States Geological Survey (USGS) to simulate the vertical compression variation of the soil layer caused by the change of soil water storage in the discontinuous formation. SUB-WT is modified and upgraded from the IBS3 subroutine in MODFLOW. It maintains the original input and output formats of MODFLOW. The parameter files required by SUB-WT are read from the "SWT" input file, which is convenient for familiarity with MODFLOW. Users use S...
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