澳大利亚沃罗诺拉饮用水系统的长期溶解有机碳变化
Thusyanthini Ramanathan1, Quinn Ollivier2, Ataur Rahman1
1School of Engineering, Design and Built Environment Western Sydney University, NSW, 2747, Australia.
Chemosphere
|August 9, 2024
概括
历史饮用水数据显示,澳大利亚的溶化有机碳 (DOC) 正在增加.
科学领域:
- 环境科学 环境科学
- 水质管理水质管理
- 水文学的水文学
背景情况:
- 了解溶解有机碳 (DOC) 的长期趋势对于水利公司至关重要.
- 历史数据分析为基础设施规划和饮用水供应的运营策略提供了信息.
研究的目的:
- 评估沃罗诺拉供水流域15-20年的历史DOC数据.
- 为了识别水过厂,湖泊和河流输入的DOC度和负载的趋势.
- 了解降雨和流量对DOC动态和组成的影响.
主要方法:
- 分析了沃罗诺拉流域15-20年的历史水质数据.
- 对DOC度,UV254和SUVA254趋势的统计分析.
- 在DOC负载,降雨量和流量之间进行相关性分析.
主要成果:
- 在沃罗诺拉湖和水过厂 (WFP) 观察到DOC显著增加的趋势.
- 沃拉塔河流 (Waratah Rivulet) 为沃罗诺拉湖的DOC总量贡献了60%以上,这是由于高流量造成的.
- 湖中的每年DOC负载与每年降雨量有很强的相关性 (R2 > 0.92).
- 疏水性,陆地植物衍生DOC占主导地位,受降雨量影响.
结论:
- 在净化厂的吸入处增加的DOC需要进行适应性规划和运营调整.
- 降雨是DOC负载的关键驱动因素,影响了沃罗诺拉系统的水质.
- 疏水性DOC的占主导地位表明了对水处理过程的潜在挑战.
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