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在间歇性河流中模拟阿齐思罗米的发生和环境风险:应用水文和水质模型
A M De Girolamo1, G F Ricci2, G Parete2
1Water Research Institute, National Research Council, Bari, Italy.
Journal of contaminant hydrology
|March 30, 2025
概括
这项研究模拟了间歇性河流中的抗生素污染,发现春季高水平的亚齐思罗米辛会带来生态毒理风险. 季节性监测和建模对于管理河流生态系统中新出现的污染物至关重要.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 水质管理水质管理
背景情况:
- 抗生素是影响河流生态系统的新兴污染物.
- 间歇性河流在评估药物命运和生态毒理风险方面面临着独特的挑战.
研究的目的:
- 定义一种建模方法,用于评估间歇性河流中药物命运和生态毒理学风险.
- 为了估计在Canale d'Aiedda盆地中阿兹菌素 (AZ) 的环境风险.
主要方法:
- 一个连接土壤和水评估工具 (SWAT) 和欧洲河流地理参考区域暴露评估工具 (G2-ER) 的建模级.
- 校准使用流量和亚齐胺 (AZ) 度测量.
- 预测环境度 (PEC) 的估计和生态毒理风险评估.
主要成果:
- 在3月份观察到的AZ度最高,在8月份显著下降.
- 废水处理厂 (WWTP) 下游的河流流域显示了AZ的最高PEC.
- 3月份,大部分河流网络的PEC都超过了预测无影响度 (PNEC).
结论:
- 连接水文和水质模型对间歇性河流是有效的.
- 这种方法可以识别新出现的污染物和环境风险.
- 对于敏感河流系统中药物污染的有效管理至关重要.
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