相关实验视频
Updated: May 14, 2025

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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开发基于过程的建模框架,利用水文气象数据集来估计地下水补充
Fatemeh Saedi1, Mukesh Kumar1, T Prabhakar Clement1
1Department of Civil, Construction, and Environmental Engineering, The University of Alabama, Alabama, USA.
Journal of environmental management
|May 3, 2025
概括
本研究提出了一种简单的水平衡模型,用于估计每年地下水补充量. 该模型发现,大约21%的降雨量成为地下水补充,大部分水被蒸发和流失.
科学领域:
- 水文学的水文学
- 水资源管理 水资源管理
- 环境科学 环境科学
背景情况:
- 可持续的淡水管理需要准确的地下水充电率估计.
- 现有的建模框架可能很复杂,需要进行大量校准.
- 对于可访问的充电评估,需要采用简化,基于过程的方法.
研究的目的:
- 开发一种无校准的,基于过程的模型,用于估计年度地下水充电率.
- 将这个模型应用于美国东南部的一个大河流盆地.
- 提供使用可访问数据计算地下水充电的简单方法.
主要方法:
- 使用的水平衡计算:补充 = 降水 - (蒸发 + 排水).
- 在HUC-12尺度上使用SCS方法计算每日排水量,网格为800米.
- 在网格尺度上应用Penman-Monteith模型进行每日蒸发透气估计.
主要成果:
- 每年的地下水补充量估计约为研究盆地的平均年降水量的21%.
- 蒸发转化占降雨量的约55%,而排水占24%.
- 模型结果与USGS充电产品进行了比较以验证.
结论:
- 开发的水平衡方法为计算地下水充电提供了一种简单而有效的方法.
- 该模型成功应用于Tombigbee-Black-Warrior河流盆地,证明了它对大规模评估的实用性.
- 该框架通过提供关键的充电数据来支持可持续的淡水资源管理.
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