Temporal and Spatial Monitoring of Ground Water Quality in Southern Plains of Fars Province to Use in Irrigation Systems
Groundwater is considered as one of the most important sources for supplying various usages of water¡ containing agriculture¡ drinking and industry. In this study¡ the southern plains of Fars province were selected to temporal and spatial monitoring of groundwater quality. For plains of Farashband¡ Ghirokarzin¡ Lar¡ Lamerd¡ Mohr and Khonj the 83 wells were selected and the variations of groundwater quality in period of 2006 to 2010 using qualitative indices such as EC¡ SAR¡ pH¡ Cl¡ Na and Mg was investigated. The temporal monitoring showed an increase in EC and SAR by 50 to 250% and 22 to 66.7%¡ respectively¡ due to the decrease of rainfall¡ drought accuracy and groundwater over-use. Due to the mapping results¡ the spatial variations of qualitative indices showed that the groundwater quality in Lar¡ Lamerd¡ Khonj and Mohr plains is at the critical conditions. Therefore¡ using of pressurized irrigation systems need to consider of managing plan.
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