在典型的和交叉骨折中,通过统计替代模型对LNAPL迁移进行有效量化.
Yuntian Pang1, Cixiao Qu2, Mingyu Wang3
1College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China; Sino-Danish Centre for Education and Research, University of Chinese Academy of Sciences, Beijing 100049, China.
Journal of hazardous materials
|February 20, 2026
概括
这项研究量化了碎裂岩基中的轻非水相液体 (LNAPL) 迁移. 统计模型准确地预测LNAPL的移动,有助于评估破裂含水层中的环境风险.
科学领域:
- 环境科学 环境科学
- 水文地质学 水文地质学
- 地质科学是地球科学.
背景情况:
- 在破裂的岩床含水层中,轻度非水相液体 (LNAPLs) 的污染对环境构成重大风险.
- 在和交叉骨折中量化LNAPL迁移至关重要,但由于复杂的影响因素而具有挑战性.
研究的目的:
- 研究和量化LNAPLs在和交叉骨折中的时空迁移特征.
- 确定控制LNAPL迁移的关键因素,并开发预测性统计替代模型.
主要方法:
- 利用直角实验设计和拉丁式超立方采样来生成代表性的场景.
- 执行了数值模拟,并对物理实验验验证了模型可靠性.
- 开发并验证了用于预测LNAPL迁移特征的统计替代模型.
主要成果:
- 在和交叉骨折中确定LNAPL迁移的初级控制.
- 开发了可概括的统计替代模型,其迁移预测的平均相对误差 (MRE) 为15-30%.
- 当将模型应用于一系列骨折时,证明了令人满意的预测性能 (REs<20%).
结论:
- 统计替代模型提供可靠的预测LNAPL迁移特征在破裂的含水层.
- 开发的框架提供了一个可行的方法来量化LNAPL迁移在各种断裂场景.
- 这项研究有助于更好地了解和管理破裂岩基环境中的LNAPL污染.
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