Investigation about climate change and human activity effects on groundwater level and groundwater quality in semiarid region

Document Type : Original Article

Authors

1 Phd. Student , Department of Civil Engineering, Science and Research Branch of Islamic Azad University, Tehran,

2 Professor , Department of Irrigation and Reclamation Engineering, Agricultural and Natural Resource College, University of Tehran, Karaj, Iran.

3 Professor, Department of Civil Engineering, Science and Research Branch of Islamic Azad University, Tehran, Iran.

4 Associate Professor, Department of Irrigation and Reclamation Engineering, Agricultural and Natural Resource College, University of Tehran, Karaj, Iran

Abstract

For groundwater resource management, recognation of performance and prediction climate change and human activity effects on groundwater is necessary. In this research GMS10.05 software was used for determining and simulating characteristics of Mahabad aquifer. After calibration and validation of model, we researched about effective factors influncing groundwater change. For this aim in first step, results was considered without human activity factors .In this condition average of groundwater level was 3m more than groundwater level observation . investigating about dam constraction as a anthropogenic activity factor showed, dam construction causes groundwater level would be 1.11 lower than pervious condition. In this research we then predict groundwater EC and SAR using GEP as a function of groundwater level. We conclude anthropogenic activity in compared with natural change is primary force driving the groundwater level and guality down and changing irrigation of groundwater class to C3S1. The result of this study is applicable in developing criteria for adaptation groundwater resouce management in future.

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Main Subjects

References

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Iran-Water Resources Research
Volume 15, Issue 2
May 2019
Pages 278-290

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History

  • Receive Date: 15 March 2018
  • Revise Date: 20 April 2019
  • Accept Date: 21 April 2019

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