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  • 标题:Groundwater management options in North district of Delhi, India: A groundwater surplus region in over-exploited aquifers
  • 本地全文:下载
  • 作者:Shashank Shekhar ; Roger S.K. Mao ; Esther B. Imchen
  • 期刊名称:Journal of Hydrology: Regional Studies
  • 印刷版ISSN:2214-5818
  • 出版年度:2015
  • 卷号:4, Part A
  • 期号:Part A
  • 页码:212-226
  • DOI:10.1016/j.ejrh.2015.03.003
  • 出版社:Elsevier B.V.
  • 摘要:Abstract Study regionNorth district of Delhi, India.Study focusThe North district of Delhi has mostly shallow water levels and is a groundwater surplus region in contrast to the over-exploited aquifers of the region. The surface runoff and flood waters during monsoon season in the district either causes water logging in lower elevation areas or they join drains and rivers as rejected recharge. This study aims to understand groundwater dynamics of the region in perspective of the aquifer architecture and proposes groundwater management options to meet local water requirements.New hydrological insights in the regionThree distinct hydrogeological domains are identified with subtle differences in groundwater occurrence. Insights are obtained in stream–aquifer interaction and baseflow to the Yamuna River is quantified. The salinity enrichment in groundwater has been attributed to water logging in clay rich formations under semi arid condition. The viability of limited dewatering of shallow aquifers and its replenishment by enhanced recharge from surface runoff and flood waters during the monsoon period have been established.
  • 关键词:India; Hydrogeological domain; Groundwater management; Baseflow; Groundwater salinity
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