A personal perspective of 20 years of regional groundwater resource modelling of the Permo-Triassic Sandstone aquifers in England

IF 1.3 4区 工程技术 Q3 ENGINEERING, GEOLOGICAL Quarterly Journal of Engineering Geology and Hydrogeology Pub Date : 2023-05-15 DOI:10.1144/qjegh2022-090
M. Streetly
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Abstract

In 1998, the Permo-Triassic Sandstone aquifer of the West Midlands-Worfe (WMW) area became the subject of one of the first major groundwater modelling project initiated under the Environment Agency of England's national groundwater modelling framework. The 4R runoff-recharge code that allowed these models to apply a semi-integrated approach to simulating catchment hydrology was developed and trialled in parallel with the WMW project. This combined groundwater and surface water modelling approach has enabled the Environment Agency of England to make complex water resource management decisions in a wide range of aquifers and catchments based, in part, on outputs from such models. Since that time, the Environment Agency has used the framework to develop around a dozen further models of Permo-Triassic Sandstone aquifers, of varying levels of complexity. Many of the older models have subsequently been through one or more cycles of updating and/or recalibration. This paper provides a high level review of these models based on the personal experience of the author and compares and contrasts their implementation in the USGS groundwater modelling code MODFLOW. This includes a discussion of key conceptual issues that are common across the models, or unique to particular models, and the uses to which the models have been put. The paper concludes with a discussion of future opportunities and challenges for the programme. Thematic collection: This article is part of the Hydrogeology of Sandstone collection available at: https://www.lyellcollection.org/topic/collections/hydrogeology-of-sandstone
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英国二叠纪-三叠纪砂岩含水层20年区域地下水资源建模的个人观点
1998年,西米德兰兹-沃夫(WMW)地区的二叠纪-三叠纪砂岩含水层成为英国环境署国家地下水建模框架下启动的第一个主要地下水建模项目之一的主题。4R径流补给代码使这些模型能够应用半集成方法来模拟集水区水文,该代码与WMW项目并行开发和试验。这种地下水和地表水联合建模方法使英格兰环境署能够在一定程度上根据这些模型的输出,在广泛的含水层和集水区做出复杂的水资源管理决策。从那时起,环境署利用该框架进一步开发了十几个不同复杂程度的二叠纪-三叠纪砂岩含水层模型。许多较旧的模型随后经历了一个或多个更新和/或重新校准周期。本文根据作者的个人经验对这些模型进行了高水平的回顾,并对其在美国地质调查局地下水建模代码MODFLOW中的实现进行了比较和对比。这包括对模型中常见或特定模型特有的关键概念问题的讨论,以及模型的用途。该文件最后讨论了该方案未来的机遇和挑战。专题收藏:本文是砂岩水文地质收藏的一部分,可在以下网站获取:https://www.lyellcollection.org/topic/collections/hydrogeology-of-sandstone
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.40
自引率
14.30%
发文量
66
审稿时长
6 months
期刊介绍: Quarterly Journal of Engineering Geology and Hydrogeology is owned by the Geological Society of London and published by the Geological Society Publishing House. Quarterly Journal of Engineering Geology & Hydrogeology (QJEGH) is an established peer reviewed international journal featuring papers on geology as applied to civil engineering mining practice and water resources. Papers are invited from, and about, all areas of the world on engineering geology and hydrogeology topics. This includes but is not limited to: applied geophysics, engineering geomorphology, environmental geology, hydrogeology, groundwater quality, ground source heat, contaminated land, waste management, land use planning, geotechnics, rock mechanics, geomaterials and geological hazards. The journal publishes the prestigious Glossop and Ineson lectures, research papers, case studies, review articles, technical notes, photographic features, thematic sets, discussion papers, editorial opinion and book reviews.
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