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地下水监测能告诉我们什么关于气体迁移? 一个数值建模研究研究

Kartik Jain¹, Cole J C Van De Ven, K Ulrich Mayer¹

¹Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC, Canada.

|October 2, 2023

概括

对气体迁移 (GM) 影响的地下水监测可能具有误导性. 数字模拟显示溶解的背景气体,如N2和Ar,可以更好地了解天然气的存在和含水层的命运.

科学领域:

环境科学环境科学
水文地质学水文地质学
地质化学地质化学

背景情况:

地下水监测评估能源开发的影响使用参数,如溶解气体和TDGP.
解释这些指标是复杂的,因为气源的架构,分区和反应.

研究的目的:

在气体迁移 (GM) 下模拟地下水指标参数的演变.
了解物理和生物地球化学条件如何影响这些指标.
确定浅层含水层系统中转基因生物的可靠指标.

主要方法:

使用气体流和反应式运输模型进行数值模拟.
在各种条件下分析指标参数演变的分析.
研究多元件质量转移和生物地化学反应.

主要成果:

模拟显示了由于质量转移和反应而导致分析物的意想不到的空间和时间变化.
溶解的碳化合物和TDGP可能是转基因的误导性指标.
溶解的背景气体 (N2,Ar) 为自由相天然气提供了宝贵的见解.

结论:

仔细解释地下水监测数据对于评估转基因影响至关重要.
背景溶解气体是天然气存在,寿命和命运的有希望的指标.
更好的理解有助于为转基因生物设计有效的地下水监测网络.

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