在喀拉拉邦的Veli-Akkulam湖的生物元素度和TOC/N比率分析:季节性变化和城市化影响
Adithya S Suresh1, D S Jaya2, E Sherly Williams2
1Department of Environmental Sciences, University of Kerala, Kerala, India. adithyassuresh55@gmail.com.
Environmental monitoring and assessment
|June 4, 2025
概括
城市化和旅游业增加了大阿库拉姆湖的有机污染,导致了肥胖化. 识别污染源对于可持续的湖泊管理和实现水质目标至关重要.
科学领域:
- 环境科学 环境科学
- 临界技术 临界技术
- 评估水质水质的评估.
背景情况:
- 城市化和旅游业推动营养和有机物流入城市湖泊,导致生态退化.
- 可持续发展目标6强调通过确定湖泊和水库中的污染源来改善水质.
- 作为一个重要的城市旅游目的地,Veli-Akkulam湖面临着由于其地理位置和环境压力的生态挑战.
研究的目的:
- 调查大阿库拉姆湖有机污染的来源.
- 分析生物元素的时空变化和湖面沉积物的TOC/N比率.
- 评估污染对湖泊生态健康的影响.
主要方法:
- 从Veli-Akkulam湖的八个站点收集地表沉积物样本.
- 分析总碳,总有机碳 (TOC),总 (TN) 和总 (TP) 度.
- 在不同季节 (季风前,季风前,季风后) 计算和分析TOC/N比率.
主要成果:
- 石灰泥和粘土主导着湖的东部部分,其中总碳度高 (6.26%),TOC (5.1%),TN (0.9%) 和TP (14.5%).
- TOC/N比率因季节而异 (0.95-5.04季风前,0.18-4季风前,1.01-30季风后),表明有机物混合来源.
- 观察到生物元素与TOC/N比率之间存在显著的正相关性,这表明了污染影响.
结论:
- 维利-阿库拉姆湖正在经历由有机污染物驱动的肥沃化.
- 本土 (内部) 和外来 (外部) 源都对湖泊的有机污染有所贡献.
- 建议采用可持续的管理策略,包括疏,沉积物处理和污水管理,以恢复湖泊的健康.
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