Integration of numerical models to simulate 2D hydrodynamic/water quality model of contaminant concentration in Shatt Al-Arab River with WRDB calibration tools

IF 1.5 Q2 ENGINEERING, MULTIDISCIPLINARY

Open Engineering Pub Date : 2023-01-01 DOI:10.1515/eng-2022-0416

M. Mawat, Ahmed Naseh A. Hamdan

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引用次数: 0

Abstract

Abstract The hydrodynamic model is essential for building a water quality model for rivers, lakes, estuaries, and other water systems. Most model software, such as HEC-RAS, can perform a complex hydrodynamic surface water body and limitations to represent water quality for the corresponding area. In contrast, other models, like WASP, can simulate a wide range of contaminants in a multidimensional geometry of rivers, estuaries, lakes, and reservoirs. Still, it requires flow information from separate hydrodynamic models. This article aims to develop a comprehensive water quality model of the Shatt Al Arab River south of Iraq by linking HEC-RAS with WASP. A variety of software techniques has sequentially been used. This software includes GIS for DEM modification, HEC-RAS for the hydrodynamic model, Python code with PyCharm to run the external coupler, WASP software for advective and dispersive contaminant transport, and finally, WRDB software for full calibration process and results display. The results showed successful transportation of flow information had been achieved. Moreover, the article described an effective calibration process by plotting comparison graphs and statistical summaries to make the appropriate decision. Another goal of this work is to collect the equations and associated reaction rates of source/sink kinetic for eutrophication’s state variables.

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利用WRDB校准工具，整合数值模型模拟阿拉伯河污染物浓度的二维水动力/水质模型

摘要水动力学模型对于建立河流、湖泊、河口和其他水系的水质模型至关重要。大多数模型软件，如HEC-RAS，可以执行复杂的流体动力学地表水体和限制，以表示相应区域的水质。相比之下，其他模型，如WASP，可以在河流、河口、湖泊和水库的多维几何结构中模拟各种污染物。尽管如此，它仍然需要来自单独的流体动力学模型的流量信息。本文旨在通过将HEC-RAS与WASP联系起来，开发伊拉克南部Shatt Al Arab河的综合水质模型。已经顺序地使用了各种软件技术。该软件包括用于DEM修改的GIS、用于流体动力学模型的HEC-RAS、用于运行外部耦合器的PyCharm Python代码、用于平流和分散污染物传输的WASP软件，以及用于完整校准过程和结果显示的WRDB软件。结果表明，流量信息的传输是成功的。此外，文章通过绘制比较图和统计摘要来做出适当的决定，从而描述了一个有效的校准过程。这项工作的另一个目标是收集富营养化状态变量的源/汇动力学方程和相关反应速率。

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

Open Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

3.90

自引率

0.00%

发文量

审稿时长

30 weeks

期刊介绍： Open Engineering publishes research results of wide interest in emerging interdisciplinary and traditional engineering fields, including: electrical and computer engineering, civil and environmental engineering, mechanical and aerospace engineering, material science and engineering. The journal is designed to facilitate the exchange of innovative and interdisciplinary ideas between researchers from different countries. Open Engineering is a peer-reviewed, English language journal. Researchers from non-English speaking regions are provided with free language correction by scientists who are native speakers. Additionally, each published article is widely promoted to researchers working in the same field.