在水文地质复杂的城市地区选择注水井的模拟优化方法。

IF 2 4区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY
Groundwater Pub Date : 2023-04-13 DOI:10.1111/gwat.13317
Chin Man Mok, Barbara Carrera, Hiroko Hort, Lauren Santi, Anthony Daus, Sorab Panday, David Jones, Brian Partington, Everett Ferguson
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引用次数: 0

摘要

管理含水层回灌已成为一种标准的水资源管理方法,可促进当地可持续供水的发展,并解决水资源短缺问题。然而,在水文地质复杂的城市地区安装注水井进行补水面临着许多挑战,如有限的可用土地、对市政生产水井和已知地下污染羽流的潜在影响,以及含水层单元之间复杂多变的空间水力联系。为了评估向复杂的城市含水层系统注入高级处理水(ATW)的可行性和成本效益,我们开发了一个模拟优化(SO)模型,以便在可行的情况下,自动系统地搜索最具成本效益的地点,安装新井以注入不同数量的高级处理水。本文介绍的通用工作流程使用了现有的 MODFLOW 地下水模型以及可公开获取的高级优化例程,可灵活适应多目标函数、复杂约束条件和特定项目要求。该模型成功地在研究区域地下含水层中设置了注入 1-4 MGD ATW 的注水井。注水井的布置主要受限于避免对下层地下水羽流的环境场地造成过度影响。最大的成本是水井安装和从现有的 ATW 管道到水井的管道费用。此工作流程可随时适用于具有不同复杂性、决策变量或限制因素的其他地点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Simulation-Optimization Approach for Siting Injection Wells in Urban Area with Complex Hydrogeology

Simulation-Optimization Approach for Siting Injection Wells in Urban Area with Complex Hydrogeology

Simulation-Optimization Approach for Siting Injection Wells in Urban Area with Complex Hydrogeology

Managed aquifer recharge has become a standard water resources management practice to promote the development of locally sustainable water supplies and combat water scarcity. However, installation of injection wells for replenishment purposes in urban areas with complex hydrogeology faces many challenges, such as limited land availability, potential impacts on municipal production wells and known subsurface contamination plumes, and complex spatially variable hydraulic connections between aquifer units. To assess the feasibility and cost-effectiveness of injecting advanced treated water (ATW) into a complex urban aquifer system, a Simulation-Optimization (SO) model was developed to automate a systematic search for the most cost-effective locations to install new wells for injecting various quantities of ATW, if feasible. The generalized workflow presented here uses an existing MODFLOW groundwater model—along with advanced optimization routines that are publicly available—to flexibly accommodate a multiobjective function, complex constraints, and specific project requirements. The model successfully placed wells for injection of 1 to 4 MGD of ATW in aquifers underlying the study area. The injection well placement was primarily constrained by avoiding excessive impact on environmental sites with underlying groundwater plumes. The largest costs were for well installation and piping to the wells from the existing ATW pipes. This workflow is readily adaptable to other sites with different complexities, decision variables, or constraints.

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来源期刊
Groundwater
Groundwater 环境科学-地球科学综合
CiteScore
4.80
自引率
3.80%
发文量
0
审稿时长
12-24 weeks
期刊介绍: Ground Water is the leading international journal focused exclusively on ground water. Since 1963, Ground Water has published a dynamic mix of papers on topics related to ground water including ground water flow and well hydraulics, hydrogeochemistry and contaminant hydrogeology, application of geophysics, groundwater management and policy, and history of ground water hydrology. This is the journal you can count on to bring you the practical applications in ground water hydrology.
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