Exploring the Impact of Urban Growth on Surface
Waterbody Area Loss in Khulna City using GIS Techniques
Volume 3 - Issue 3
Md Marufuzzaman*, Mst Mahbuba Khanam and Md Kamrul Hasan
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- Department of Urban & Regional Planning, Pabna University of Science & Technology (PUST), Bangladesh
*Corresponding author:
Md. Marufuzzaman, Undergraduate Student, Department of Urban & Regional Planning, Pabna University
of Science & Technology (PUST), Narail, Bangladesh
Received: January 30, 2019; Published: May 10, 2019
DOI: 10.32474/TCEIA.2018.03.000165
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Abstract
Surface water body ensures environmental sustainability, natural beauty and temperature balance in the urban area. Nowadays
the surface water bodies is being filled up to meet the rapid urbanization. The aim of this study is to find out the location and the
amount of filled up surface water body area in Khulna City Corporation (KCC) during the last twenty years (1998-2018). Satellite
image analysis by geographic Information System (GIS) provides much more accurate result about the land cover change of any
area. In this regard supervised image classification method of GIS technology has been applied in this study on Landsat satellite
image to identify the location and amount of filled up surface water body area. According to the result, there is a significant land
cover changed happen in the last twenty years in Khulna city area and a considerable amount of surface water body area has been
replaced by the built-up urban space. Surface water body area not only conserves biodiversity but also retain an excessive amount
of water during rainy seasons. Without proper management of surface water body area, Khulna city may face frequent urban flood
during rainy seasons, which may increase the sufferings of urban peoples.
Keywords: Khulna city corporation; Surface water body area; Urban development; Remote sensing techniques
Abbreviations: KCC: Khulna City Corporation; GIS: Geographic Information System; RS: Remote Sensing
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