气候变化领域集成服务门户(CCPortal): Impacts of flow regime characterization on selected water quality parameters in Mthatha River catchment

CCPortal

DOI	10.2166/wpt.2024.103
	Impacts of flow regime characterization on selected water quality parameters in Mthatha River catchment
	Amoo, Oseni Taiwo; Makupula, Nombuyiselo; Akinola, Ikudayisi; Nakin, Motebang Dominic Vincent
发表日期	2024
EISSN	1751-231X
起始页码	19
结束页码	5
卷号	19 期号:5
英文摘要	The effects of altered streamflow types on selected water quality parameters provide useful knowledge and information for prompt water pollution management. This study assesses the impacts of inter- and intra-year seasonal variability in streamflow types on selected water quality parameters. The study uses percentiles, multivariance correlation, and agglomerative hierarchical clustering analysis (AHC) in XLSTAT statistics software to achieve the study aim. Historical dataset for streamflow, rainfall, and selected water quality parameters between 2012 and 2020 for the Mthatha River catchment (MRC), Eastern Cape, South Africa were used to characterize the different seasonal variability impacts with the selected water quality parameters at both the upper and lower reach of the river. The result of the inter and intra-year seasonal variability analyses show that the catchment's flow magnitude varies between 2.0 and 2.7 m(3)/s in summer while the results of the nonlinear polynomial relationship between the grouped streamflow regime show a coefficient of correlation (R-2) values of 0.4264 and 0.5643, suggesting that a mild alteration occurs in the catchment. Decision-makers would find the study useful in controlling the pollutant effluent discharge into the river at different times and maintaining standard effluent requirements as mitigation strategies for sustaining the river ecosystem. HIGHLIGHTS center dot Flow regime characterization impacts on selected water quality variables. center dot Minimization of hazardous health impacts and aesthetic offensive odour that could pose danger to the lives and health of the community if not properly managed and disposed of. center dot River water quality assessment in relation to hydrological signatures characteristic in a catchment. center dot Climate change variability and impact on change streamflow type.
英文关键词	AH cluster analysis; flow regime; hydrological indices; nonlinear regression; water quality
语种	英语
WOS研究方向	Water Resources
WOS类目	Water Resources
WOS记录号	WOS:001207924800001
来源期刊	WATER PRACTICE AND TECHNOLOGY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/299557
作者单位	Walter Sisulu University; Walter Sisulu University
推荐引用方式 GB/T 7714	Amoo, Oseni Taiwo,Makupula, Nombuyiselo,Akinola, Ikudayisi,et al. Impacts of flow regime characterization on selected water quality parameters in Mthatha River catchment[J],2024,19(5).
APA	Amoo, Oseni Taiwo,Makupula, Nombuyiselo,Akinola, Ikudayisi,&Nakin, Motebang Dominic Vincent.(2024).Impacts of flow regime characterization on selected water quality parameters in Mthatha River catchment.WATER PRACTICE AND TECHNOLOGY,19(5).
MLA	Amoo, Oseni Taiwo,et al."Impacts of flow regime characterization on selected water quality parameters in Mthatha River catchment".WATER PRACTICE AND TECHNOLOGY 19.5(2024).