Assessment and analysis of groundwater reservoir suitability for drinking purpose using GIS based multi criteria decision approach, a case study of Faisalabad City
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2017, Vol 11, Issue 5
Abstract
Industrialization is the major phenomenon due to high trend of urbanization in many developing and under developed countries. Growing demands of the population in urban areas lead to settle out the various industries. So, these industries not only improve the socio economic development in the area on one side but also have a lot of adverse environmental impacts by degrading its quality. This study also focuses on these adverse impacts of such industries on our groundwater reservoirs. For the purpose, land suitability analysis was performed for drinking purpose in an industrialized City Faisalabad. GIS based Multi Criteria Decision Approach was applied and various criteria were set as EC, pH, TDS, TH, CA, Mg, Bicarbonates, Na and chlorides for analyzing the drinking quality. An Analytical Hierarchical Process was used for ranking the suitability factors. Suitability map layers were constructed using resulting weights. Weighted sum overlay in ARC GIS 10.2 was used to construct the land suitability maps for drinking quality of groundwater reservoir. Only 2.91 % of total area was found highly suitable, 36% in moderately suitable, 35% marginally suitable and 26% not suitable for drinking purposes which indicate that groundwater reservoir of the study area has highly been contaminated by the hazardous waste released by these industries.
Authors and Affiliations
Umayya Zafar, Muhammad Mobeen, Ghani Rahman, Mehtab Ahmed, M. Javaid Iqbal
Keywords
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