干旱对欧洲地表水中的药品的影响:莱河和埃尔贝河流域的案例研究
Mark P Lentz1, Duncan J Graham1, Michelle T H van Vliet1
1Department of Physical Geography, Utrecht University, P.O. Box 80.115, 3508 TC Utrecht, the Netherlands.
The Science of the total environment
|February 26, 2024
概括
气候变化加剧了干旱,降低了欧洲河流水质. 2018年的干旱增加了河流中的卡巴马西平等药物度,突出了对适应性水资源管理策略的需求.
科学领域:
- 环境科学 环境科学
- 水的质量 水的质量
- 气候变化影响 气候变化影响
背景情况:
- 由于气候变化,水文干旱正在增加,影响水的数量和质量.
- 之前的研究重点是水量影响,对干旱对表面水中的药物度的影响的理解有限.
- 2018年欧洲干旱严重影响了生态系统和用水,需要对其水质影响进行调查.
研究的目的:
- 调查2018年干旱对欧洲地表水中的四种药物 (卡巴马泽,硫甲,迪克洛芬纳克,梅托) 度的影响.
- 分析这些药物的时空模式,并评估与参考年相比,2018年干旱期间的度变化.
- 为了比较埃尔贝河和莱河之间的干旱对水质的影响.
主要方法:
- 对2010-2020年埃尔贝河和莱河药品监测数据的分析.
- 2018年干旱期间的药物度与非干旱参考年份的比较.
- 评估低流量和水温升高对药物度的影响.
主要成果:
- 2018年的干旱导致了水质的整体恶化,其特点是水温升高和河流流量减少.
- 在干旱期间,碳二,硫甲醇和甲醇的度增加,而二二的度下降.
- 由于稀释能力的较大减少,以雨水为主导的埃尔贝河的水质恶化比以雪融为主导的莱河更严重.
结论:
- 干旱条件显著改变了地表水中的药物度,根据具体的化合物和河流特征产生不同的影响.
- 干旱期间水温的升高可能会增加某些药物的降解,如二二.
- 水质管理计划必须包括气候变化预测和干旱影响,以确保为生态系统和人类使用提供优质水.
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