在可变时间,低数据系统中应用象限方法来探金属相关性
Zachary D Tomlinson1, Kato T Dee1, Megan E Elwood Madden1
1School of Geosciences, University of Oklahoma, 100 East Boyd Street, RM 710, Norman, OK, 73019.
Ground water
|December 20, 2024
概括
了解水库抽水如何影响地下水化学是至关重要的. 这项研究引入了象限方法,以将速率与微量金属变化相关联,为水质分析提供了一个新的工具.
科学领域:
- 水文地质学 水文地质学
- 环境科学 环境科学
- 水资源管理 水资源管理
背景情况:
- 随着全球淡水需求的不断增长,需要了解地下水层抽水对地下水化学的影响.
- 现有的数据收集方法往往不一致,阻碍了抽水和水质之间的长期相关性研究.
- 需要强大的统计方法来分析地下水抽取率与水质参数之间的关系.
研究的目的:
- 开发和评估一种统计方法,以将地下水抽取速度与微金属度的变化相关联.
- 将象限方法的有效性与肯德尔的陶氏相关性进行比较,以分析送质量关系.
- 在不同的样本大小和时间间隔下评估象限方法的可重复性.
主要方法:
- 使用了间隔缩放的平均速率变化与象限方法相结合.
- 在地下水样本中检查了抽出率和微量金属度之间的相关性.
- 将象限方法与肯德尔的相关性进行比较,包括样本大小缩小分析.
主要成果:
- 抽水率和地下水化学之间的相关性在地理上有所不同,并且是井位特定的.
- 象限方法和肯德尔的产生了类似的结果,大样本大小和短时间间隔.
- 与肯德尔的定值相比,象限方法在非常小的样本大小和较长的时间间隔下显示出更高的可重复性.
结论:
- 象限方法是研究抽水对地下水质量影响的可行的替代方法,特别是当肯德尔的值产生不显著的相关性时.
- 该方法的性能受样本大小和样本之间的时间间隔等因素的影响.
- 这项研究有助于更好地预测地下水质量管理在不断增加的抽水压力下的预测模型.
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