Evaluating Urbanization Impact on Stressed Aquifer of Quetta Valley, Pakistan

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Evaluating Urbanization Impact on Stressed Aquifer of Quetta Valley, Pakistan

Desalination and Water Treatment 222 (2021) 103–113 www.deswater.com May doi: 10.5004/dwt.2021.27068 Evaluating urbanization impact on stressed aquifer of Quetta Valley, Pakistan Faizan Dawooda, Malik Muhammad Akhtarb,*, Muhsan Ehsanc aDepartment of Civil Engineering, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta, Pakistan, email: [email protected] bDepartment of Environmental Sciences, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta, Pakistan, Tel. +92 335 445 7067; email: [email protected] cDepartment of Earth and Environmental Sciences, Bahria University, Islamabad, Pakistan, email: [email protected] Received 14 February 2020; Accepted 16 January 2021 abstract This research is focused on the land use/land cover (LU/LC) changes impacts on the groundwater table and urbanization trend of Quetta valley for a period of 10 y. The land cover changes are occur- ring locally, regionally, and worldwide, which results in the expansion of urbanization trend and groundwater table depletion. Population growth leads to fast change in land use patterns, which increases the demand for basic needs. Urbanization and climatic impacts on depleting groundwater resources in Quetta need to assess and find a scientific solution using applications of the latest software. This study investigated the land cover changes in three categories, which were barren land, vegetation, built-up area by using maximum likelihood classification (MLC). Water table depletion was defined in five ranges from very low to very high by using the Kriging Method. It is inferred that the built-up area was increased the most in the last 10 y, that is, 2008–2018 as com- pared to other classes. The City area groundwater has been observed most of the depletion from 2008 to 2018. The selected Union Councils/Towns of Quetta District coming in the study area were City, Cantonment, Baleli, Kuchlak, Kachi Baig, Hanna, Shadenzai, and Saraghurgai were separated in polygons according to their boundaries to get the population density of each area. The Quetta city was found to be the most populated. It is imperative to inspect the land use change, water levels of current functional pumping wells, and population growth rate annually for its present management and future planning. Keywords: Land use/land cover; Groundwater table; Urbanization; GIS; Remote sensing; Quetta; Pakistan * Corresponding author. 1944-3994/1944-3986 © 2021 Desalination Publications. All rights reserved..

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The designation of geographical entities in this book, and the presentation of the material, do not imply the expression of any opinion whatsoever on the part of IUCN concerning the legal status of any country, territory, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. Published by: IUCN Pakistan Copyright: © 2011 IUCN, the International Union for Conservation of Nature and Natural Resources. Pishin - Integrated District Development Vision was developed by the Pishin District Government, with technical assistance of IUCN Pakistan under its project Balochistan Partnerships for Sustainable Development (BPSD) and financial support by the Embassy of the Kingdom of the Netherlands (EKN). Citation is encouraged. Reproduction and/or translation of this publication for educational or other non-commercial purposes is authorised without prior written permission from IUCN Pakistan, provided the source is fully acknowledged. Reproduction of this publication for resale or other commercial purposes is prohibited without prior written permission from IUCN Pakistan. The opinions expressed in this document do not constitute an endorsement by the EKN. Citation: Pishin District Government (2011). Pishin - Integrated District Development Vision. IUCN Pakistan, Quetta, Pakistan. xii+100 pp. Research and development: Abdul Latif Rao Resource person: Hamid Sarfraz Facilitation: Zabardast Khan Bangash, Mehboob Ali, Naseebullah Khan Editors: Madiha Aijaz, Zeevar Scheik and Sara Fatima Azfar Design: Azhar Saeed, IUCN Pakistan Cover photographs: Naseebullah Khan, Madiha Aijaz and IUCN Balochistan Programme Printed by: Rosette Printers Available from: IUCN Pakistan Balochistan Programme Office Marker Cottage, Zarghoon Road Quetta, Pakistan Tel: +92 (81) 2840450/51/52 Fax: +92 (81) 2820706 www.iucn.org/pakistan Pishin Integrated Development Vision Contents Acronyms .
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