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Title: Urbanization and its impact on groundwater: A remote sensing and GIS-based assessment approach
Authors: Jat M.K.
Khare D.
Garg, Pradeep Kumar
Published in: Environmentalist
Abstract: The perils of unplanned urbanization and increasing pressure of human activities on hydro-geomorphologic system often result in modification of the existing recharge mechanism, which leads to many environmental consequences. In the present research, an attempt has been made to investigate the applicability of remote sensing and geographical information system (GIS) in dealing with spatial and temporal variability of dynamic phenomena, like urbanization and its impact on groundwater. This paper covers primarily, quantitative and qualitative impacts of urban growth on the behavior of aquifer in Ajmer city (India). Urban growth of the Ajmer city in last 17 years has been estimated from the satellite images. Database related to urbanization and groundwater has been created in GIS. Groundwater recharge has been computed using a water balance approach known as Water Level Fluctuation Methodology. Recharge estimation methodology has been implemented in GIS to introduce the spatial variability of hydro-geological characteristics. Further, temporal and spatial variations in groundwater quality and quantity have been correlated with urban growth using overlay analysis in GIS. The study reveals a general decline in water table and quality with urbanization. Further, remote sensing and GIS technologies have been found useful in assessment of spatial and temporal phenomena of urbanization and its impact on groundwater system. ¬© 2008 Springer Science+Business Media, LLC.
Citation: Environmentalist, 29(1): 17-32
Issue Date: 2009
Keywords: GIS
Remote sensing
Urban growth
ISSN: 2511088
Author Scopus IDs: 14060194700
Author Affiliations: Jat, M.K., Department of Civil Engineering, Malaviya National Institute of Technology, Jaipur, Jaipur, Rajasthan, India
Khare, D., Department of Water Resources Development and Management, Indian Institute of Technology, Roorkee, Roorkee, Uttranchal, India
Garg, P.K., Department of Civil Engineering, Indian Institute of Technology, Roorkee, Roorkee, Uttranchal, India
Funding Details: 
Corresponding Author: Jat, M. K.; Department of Civil Engineering, , Jaipur, Rajasthan, India; email:
Appears in Collections:Journal Publications [CE]

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