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在阿塔巴斯卡河流域模拟多环芳香化合物:综合模型和见解

Qianyang Wang¹, Maricor J Arlos², Jinqiang Wang³

¹Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada; Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 2E3, Canada.

|October 24, 2025

概括

一个新的模型模拟了阿尔伯塔省阿塔巴斯卡河流域的油砂开采中的多环芳香化合物 (PAC). 它提高了对PACs环境风险和对生态系统的影响的理解.

科学领域:

环境科学环境科学
水文学的水文学
地质化学地质化学

背景情况:

在阿塔巴斯卡河流域的油砂开采带来了环境风险,原因是多环芳香化合物 (PAC).
的复杂行为使得评估它们的来源,命运,运输和生态影响的盆地规模建模变得复杂.
准确的建模对于理解和减轻水生生态系统中PACs相关的环境风险至关重要.

研究的目的:

开发和验证一种机械模型,用于模拟阿塔巴斯卡河流域的多环芳香化合物 (PAC).
评估来自油砂开采的PAC的运输和命运.
评估模型对不同特性和来源的各种PAC的性能.

主要方法:

开发了一个基于Python的土壤水评估工具-负载计算器 (SWAT-LC) 与SWAT和WASP8模型相结合.
嵌入的表面下水流,土壤侧流,地下水底流,直接流,以及外露/沉积物侵蚀过程.
模拟了四种代表性的PAC:烯,烯,C4-烯/烯和C4-二二二.

主要成果:

该模型结合了流动驱动的自然浮标侵蚀,显著提高了性能.
模拟显示烯,C4-phenanthrenes/anthracenes和C4-dibenzothiophenes (NSE高达0.75) 的表现良好.
对于乙烯,模型性能较弱,这表明需要对特定化合物进行进一步的改进.

结论:

开发的模型有效地模拟了阿塔巴斯卡河流域环境相关的PACs的行为.
整合机械过程提高了模型的场景测试和风险评估能力.
该模型为了解PAC的环境相关性并为管理策略提供信息提供了有价值的工具.

关键词:

阿塔巴斯卡河阿塔巴斯卡河综合模型综合模型油砂油砂油砂油砂油砂多环芳香化合物多环芳香化合物水的质量水的质量

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