slugIdentification of Suitable Site for Possible Ground Water Recharge in South-West District of Delhi
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 7
Abstract
India is endowed with a rich and vast diversity of natural resources, water being one of them. The Average Annual Runoff available in India is 1869 BCM (Billion Cubic Meter) of which only 1123 BCM is estimated as utilizable Water Resource. The National capital of Delhi belongs to one of the most populous cities of the world. The growth of the township in the last few decades from 9.4 million in 1991 to 14 million in 2001 has surpassed all comparisons with the other mega cities. The development in terms of infrastructure facilities to match the international standards and to accommodate the changing socio-economic conditions has resulted into a phenomenal growth in overall perspective of Delhi. In today’s scenario, the most complex issue is to ensure sustainable water supply. The South-West district of NCT, Delhi covers 420 Sq. Km area characterized by unconsolidated quaternary alluvium deposits out of which 18 Sq Km area is covered by denudation hills specially in the Eastern part of the district. The rate of decline is highly variable in space (1-2 m/yr) depicting the variations in excessive pumpage over natural recharge. This is mainly a result of faulty water supply system (all water treatment plants are located in North Delhi only) coupled with high rate of economic growth in South Delhi which has resulted in ground water depletion in South and South Western districts of NCT, Delhi. Unplanned development of groundwater has disturbed the hydrological balance, leading to decline in productivity of wells, increasing pumping cost, more energy requirement, brackish water upcoming etc. The line of fresh-saline interface also varies greatly in the entire area.
Authors and Affiliations
Jagriti Kundu, Amarjeet Kaur, Darshan Malik, Raj Kishore Singh, D. K. Chadhac, Shashi Nijhawan
Keywords
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