东京湾三维水-多层泥沙综合模型

IF 2.3 4区 地球科学
Morteza Jedari Attari
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引用次数: 0

摘要

本研究的目的是开发、组合和优化具有河床模块的三维水质输沙模型。该床层模型结合了一个分层模型,在垂直分层维度上定义了溶解相和固相。为了对综合模型进行校准,利用了东京湾水质参数的综合数据集。东京湾以其严重的富营养化而闻名,这导致软有机沉积物在内部积聚,特别是在海湾的顶部附近。本研究的一个重点是调查近床水条件及其对氧气消耗、养分循环、初级生产和整体水质的影响。模拟沉积物表面颗粒有机碳含量比的结果与观测值吻合较好。此外,该模型还成功地实现了其他水质参数的精确模拟。这一开发的模型被证明是未来旨在改善东京湾环境管理战略的研究的宝贵工具。湾内缺氧和缺氧状况对底栖生物构成慢性威胁,并严重恶化水质,对分析与人为活动有关的各种情景的后果提供了有价值的见解。该模型可以帮助研究人员和决策者就东京湾的环境管理策略做出明智的决策。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An integrated three-dimensional water and multilayer sediment quality model for Tokyo Bay

The aim of this study is to develop, combine, and optimize a three-dimensional water quality and sediment transport model with a bed module. This bed model incorporates a layered model that defines both dissolved and solid phases in vertically layered dimensions. To calibrate the integrated model, a comprehensive dataset consisting of water quality parameters in Tokyo Bay (Japan) was utilized. Tokyo Bay is known for its heavy eutrophication, which results in the accumulation of soft-organic sediment in inner parts, particularly near the head of the bay. One key focus of this study was to investigate near-bed–water conditions and their impact on oxygen depletion, nutrient cycling, primary production, and overall water quality. The results obtained from simulating particulate organic carbon content ratio on the sediment surface were found to be consistent with observed values. Additionally, accurate simulations of other water quality parameters were successfully achieved using this developed model. This developed model proves to be a valuable tool for future studies aimed at improving environmental management strategies within Tokyo Bay. The sophisticated modeling of hypoxic and anoxic conditions in inner parts of the bay, which pose chronic threats to benthic life and severely deteriorate water quality, provides valuable insights for analyzing the consequences of various scenarios related to anthropogenic actions. This model can assist researchers and policymakers in making informed decisions regarding environmental management strategies within Tokyo Bay.

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来源期刊
Acta Geophysica
Acta Geophysica GEOCHEMISTRY & GEOPHYSICS-
CiteScore
3.80
自引率
13.00%
发文量
251
期刊介绍: Acta Geophysica is open to all kinds of manuscripts including research and review articles, short communications, comments to published papers, letters to the Editor as well as book reviews. Some of the issues are fully devoted to particular topics; we do encourage proposals for such topical issues. We accept submissions from scientists world-wide, offering high scientific and editorial standard and comprehensive treatment of the discussed topics.
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