砂对全年水源安全的贡献,通过远程计量手动数据监测
Hannah Ritchie1, Ian Holman2, Alison Parker1
1Cranfield Centre for Water, Environment and Development, Cranfield University, Bedford, UK.
Environmental monitoring and assessment
|October 17, 2023
概括
沙提高了干旱地区的水安全. 手动数据显示,干旱季节抽水量显著增加,突出显示它们在全年供水方面发挥的关键作用.
科学领域:
- 环境科学环境科学
- 水资源管理水资源的管理.
- 水文学的水文学
背景情况:
- 沙是干旱和半干旱地区的主要雨水收集技术.
- 手是从沙抽取水的主要改进方法,对饮用水安全至关重要.
研究的目的:
- 分析沙的手动抽取数据,以评估它们对全年水源安全的贡献.
- 调查影响水抽取率和干旱季节沙可靠性的因素.
主要方法:
- 装有30个手动加速度计和蜂发射器,以记录每小时抽取的水量.
- 分析了26个地点 (2019年4月-2021年10月) 的数据,以及定性数据.
- 专注于长期干旱季节的分析,以评估全年供水可靠性.
主要成果:
- 在漫长的干旱季节,通过手动抽取的水量比其他季节高出20倍以上.
- 在盐度增加,牲畜使用和大墙面积的地点观察到更高的提取率.
- 在26个井中,21个井在至少一个漫长的干旱季节结束时显示持续抽取,但存在空间和时间的变化.
结论:
- 砂通过手动抽取,大大有助于全年水安全,特别是在干旱时期.
- 了解抽象异质性对于适应气候变化和优化沙设计至关重要.
- 量化沙贡献有助于选择适合的水资源管理技术,以提高弹性.
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