估计用于灌的地下水抽取:一种方法比较
Andrea E Brookfield1, Samuel Zipper2, Anthony D Kendall3
1Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada.
Ground water
|June 22, 2023
概括
准确的地下水抽取估计对于可持续性至关重要. 这项研究比较了堪萨斯州的四种方法,发现所有方法都合理估计了提款,但数据需求和计算需求各不相同,指导了方法选择.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 农业科学 农业科学
背景情况:
- 有效的地下水管理对于环境,生态和社会可持续性至关重要.
- 准确估计地下水的提取往往受到物理,监管和社会挑战的阻碍.
- 农业灌是全球地下水使用的主要驱动因素.
研究的目的:
- 为了比较四种不同的估计农业地下水抽取的方法.
- 为了在一个数据丰富的地区 (美国堪萨斯州) 评估这些方法,并提供地下水提取数据.
- 根据数据可用性和需求,为从业人员提供选择适当估计方法的信息.
主要方法:
- 水表水位波动方法 (WTFM):一种基于水文学的方法.
- SALUS作物模型:基于需求的模型,需要作物和天气数据.
- 开放ET卫星数据:使用卫星衍生的蒸发透气 (ET) 估计.
- 景观水文模型:一种综合方法,结合了水文和基于需求的方法.
主要成果:
- 所有四种评估的方法都提供了在研究区域的地下水提取的合理估计.
- 每种方法的适用性,数据要求 (例如地下水位,作物类型,天气,ET数据) 和计算需求都存在显著差异.
- WTFM需要准确的地下水位,特定产量和充电数据;SALUS需要详细的作物,土地使用和天气信息.
结论:
- 选择地下水提取估计方法应以数据的可用性和类型为指导.
- 了解每个方法的优点和弱点对于有效的地下水管理至关重要.
- 这项研究有助于从业人员选择最适合其特定应用和数据约束的方法.
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