Contamination Assessment and Site‐Management Tool (CAST): A Browser‐Based Tool for Site Assessment

Contamination Assessment and Site‐Management Tool (CAST): A Browser‐Based Tool for Site Assessment
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污染评估和现场管理工具 (CAST):基于浏览器的现场评估工具

DOI:
10.1111/gwat.13137
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发表时间:
2021
期刊:
影响因子:
2.6
通讯作者:
Chahar
Chahar
中科院分区:
地球科学3区
文献类型:
--
作者:
Baliga;Chahar

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全球对地下水的依赖正在增加,而数百万个潜在污染地点的污染水平尚未确定。特别是,轻质非水相液体 (LNAPL) 造成的地下水污染仍然是一个全球性挑战。初始场地评估首选数学方法(即分析法、半分析法、经验法、数值法),以避免高昂的表征成本和有限的场地数据可用性。然而,污染的特定地点性质限制了任何单一方法的推广。因此,需要一个易于使用的计算接口,该接口提供特定于站点的数据管理、用于计算的多模型接口的选择和使用以及站点表征,并在最新模型可用时对其进行扩展。这项工作提供了一个这样的界面,称为 CAST(污染评估和现场管理工具)。 CAST 是一个基于浏览器的开源(在线/离线)工具,为六种不同的分析模型(例如 BIOSCREEN-AT)、基于 MODFLOW 的数值模型和两个经验模型(包括混合数值分析模型)提供接口。此外,CAST 还包括用于站点数据管理、评估和基于场景的建模的接口。 CAST的开发采用模块化格式,简化了新计算或数据接口的添加。此外,CAST 的整个代码库都基于开源(主要是 Python 编程)库和标准。这进一步简化了该工具的修改或扩展。本文介绍了 CAST、其不同的计算和数据管理接口,并提供了该工具的功能示例,主要用于污染场地的初步评估。
Groundwater dependency is increasing globally, while millions of potentially contaminated sites are yet to be characterized for contamination levels. In particular, groundwater contamination due to light nonaqueous phase liquids (LNAPLs) continues to be a global challenge. Mathematical approaches (i.e., analytical, semi‐analytical, empirical, numerical) are preferred for an initial site assessment to circumvent the high characterization costs and limited site data availability. However, the site‐specific nature of contamination restricts the generalization of any single approach. Hence, the requirement is for an easy‐to‐use computing interface that provides site‐specific data management, the selection and use of multiple‐model interfaces for computing, and site characterization, with extension for the latest models as they become available. This work provides one such interface called CAST or Contamination Assessment and Site‐management Tool. CAST is an open‐source browser‐based (online/offline) tool that provides an interface for six different analytical models (e.g., BIOSCREEN‐AT), a MODFLOW based numerical model, and two empirical models (including a hybrid numerical‐analytical model). Additionally, CAST includes interfaces for site data management, their evaluation, and scenario‐based modeling. CAST's development is in a modular format, which simplifies the addition of new computing or data interfaces. Furthermore, the entire code‐base of CAST is based on open‐source (dominantly Python programming) libraries and standards. This further simplifies the modification or extension of this tool. This paper introduces CAST, its different computing, and data management interfaces and provides examples of the tool's functionality primarily for the initial evaluation of contaminated sites.
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