Evaluating Effects of Artificial Recharge on Temporal and Spatial Distribution of Hydrogeological Droughts using Piezometric State Index (Case Study: Garbaygan Plain, Fars Province)

Document Type : Technical Note (5 pages)

Authors

1 M.Sc. Graduated Student in Watershed Management Engineering, Faculty of Natural Resources, Tarbiat Modares University, Tehran-Iran

2 Assistant Professor, Research Institute for Water Scarcity and Drought in Agriculture and Natural Resources, Tehran-Iran

3 Associated Professor, Department of Watershed Management Engineering, Faculty of Natural Resources, Tarbiat Modares University, Tehran-Iran

Abstract

Hyrogeological drought is a natural hazard that develops when groundwater systems are affected by drought., First the groundwater recharge is decreased. Then the groundwater levels and finally, groundwater discharge by rivers and springs are decreased or stopped. This research analysed the effects of artificial recharge of groundwater on temporal and spatial distribution of hydrogeological droughts using Piezometric State Index (PSI) in Garbaygan plain. The results of this study showed that the efficiency of flood spreading systems for reduction of groundwater level drop caused by droughts, limited to the initial years exclusively andsevere hydrogeological droughts have gradually been initiating since 1376 to 1387 in the south of the implemented flood spreading project.
 

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References

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History

  • Receive Date: 04 January 2010
  • Accept Date: 06 November 2011

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