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Updated: Jun 4, 2025

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马来西亚约翰霍尔河流域的水质评估,使用多变量分析和空间插值方法
Nor Zaiha Arman1, Azmi Aris2,3,4, Salmiati Salmiati1,5
1Center for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment (RISE), Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia.
Environmental science and pollution research international
|January 2, 2025
概括
柔佛河流域的水质显示出农业,工业和住宅开发造成的污染,影响了BOD5,TSS和营养水平. 数据驱动的方法揭示了污染源和下游退化,有助于流域管理.
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 分析化学 分析化学
背景情况:
- 柔佛河流域面临复杂的水质挑战,原因是各种环境压力.
- 评估地表水质量对于可持续的流域管理和公共卫生至关重要.
研究的目的:
- 在三年内全面分析佐هور河流域的水质参数.
- 用多变量和空间分析技术识别污染源和空间分布模式.
- 根据国家和国际标准评估水质.
主要方法:
- 在33个地点收集和分析了396个水样,测量了24个环境参数.
- 水质指数 (WQI) 的计算.
- 主要组件分析 (PCA),集群分析 (CA) 和反向距离加权 (IDW) 空间插值的应用.
主要成果:
- 大多数物理化学参数都属于国家水质标准的II和III类.
- 在某些地点观察到BOD5,TSS,总 (TN) 和总 (TP) 的水平升高.
- PCA确定了土壤侵蚀,盐度,废水排放和便污染是污染的主要驱动因素.
- 集群分析根据地质和污染水平对地点进行了分组.
- IDW的分析显示,与农业,工业和住宅开发相关的下游水质恶化.
结论:
- 综合数据驱动的方法有效评估地表水质量,并确定污染源.
- 农业,工业和城市发展通过有机物分解和废水排放对水质产生重大影响.
- 调查结果为实施针对性的战略提供了关键的见解,以实现在柔佛河流域可持续的流域管理.
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