使用一次性参数地下水模型评估数据稀缺的山区的地下水动态
Ya-Sin Yang1, Hsin-Fu Yeh1, Chia-Chi Huang1
1Department of Resources Engineering, National Cheng Kung University, Tainan 701, Taiwan (ROC).
概括
台湾的地下水位
科学领域:
- 水文和地质学
- 环境科学
- 水资源管理
背景情况:
- 全球气候变化和人类活动正在增加对水资源的压力.
- 山区对于地下水的补充,储存和管理至关重要.
- 在山区数据有限, 给地下水评估带来挑战.
研究的目的:
- 评估台湾中部山区地下水位的长期变化.
- 分析地下水位和降水之间的关系,使用一次性参数模型.
- 评估AquiMod模型在山区地下水管理中的实用性.
主要方法:
- 采用了集成参数地下水模型AquiMod.
- 分析了来自23个监测站的长期地下水位数据 (2010-2021年).
- 进行模型校准,预测和灵敏度分析.
主要成果:
- 在山地地下水位和降水之间发现了强烈的相关性.
- 在14个站点中,AquiMod模型取得了令人满意的预测 (Nash-Sutcliffe效率0.5-0.9).
- 模型性能受到数据缺口,复杂地质和未建模的充电/人类因素的限制.
结论:
- 聚合参数模型是评估山区地下水资源的实用工具.
- 模型灵敏度分析确定了影响地下水反应的关键不和区域参数.
- 这些发现为山区的可持续水资源管理提供了参考.
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