Effect of the Changes in Land Use/Land Cover Patterns on the Water Quality of Shitalakshya River, Narayanganj, Bangladesh

Adib Ashhab Ankon¹ , Rumman Mowla Chowdhury²

Section:Research Paper, Product Type: Journal-Paper
Vol.8 , Issue.4 , pp.5-12, Dec-2021

Online published on Dec 31, 2021

Copyright © Adib Ashhab Ankon, Rumman Mowla Chowdhury . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
The degradation of water quality is a crucial global environmental issue. The effect of changes in land-use patterns on water quality is widely renowned. Several studies have analyzed the dependency in diversified ways. Among various researches assessing the temporal and spatial connection between water quality and land use has become a useful technique to identify the influences of urbanization in the aquatic system. Besides, this type of researches becomes a reference for the urban planner as guidance for implementing better decision policies to protect water quality along with optimized land use practice. The purpose of this study was to find out the effect of changes in land-use patterns on the water quality within the Shitalakshya River. Water quality parameters from 2012 to 2018 were utilized by incorporating along with the RS data of similar years through GIS. Moreover, statistical programming tools were used to observe the dependency between land use patterns and water quality. The Shitalakshya River usually receives rainfall and discharges from five sub-bases, namely Bandar, Demra, Narayanganj Sadar, Rupganj, and Sonargaon. The results indicated a significant inverse relationship between vegetation area and water pollution. The urban region had adverse effects on the water quality, whilst the impact of the barren soil on the water quality was very multifaceted. In addition, the influences of the landscape uniformity on the indicators of water quality surrounded by the watershed were also analyzed, the result of which specified there was a significant damaging relationship between them.

Key-Words / Index Term :
Urbanization; Water Quality Parameters; Shitalakshya River; land-use change; Relationship

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