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دانلود رایکان مقاله انگلیسی ISI با موضوع تحلیل تغییرپذیری کوچک مقیاس مقاومت الکتریکی برای رخدادهای آب زیرزمینی

عنوان فارسی مقاله:

مدل ژئوفیزیکی ناپیوستگی های زمین شناسی در یک آبخیز گرانیتی: تحلیل تغییرپذیری کوچک مقیاس مقاومت الکتریکی برای رخدادهای آب زیرزمینی

عنوان انگلیسی مقاله:

Geophysical model of geological discontinuities in a granitic aquifer: Analyzing small scale variability of electrical resistivity for groundwater occurrences

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بخشی از مقاله انگلیسی :

5. Conclusion

The present studies conclude that the surface geophysical method particularly ERT is an efficient tool to provide detailed distribution of electrical resistivity to characterize the lineament such as quartz reef in granite host rock. A thorough mapping along and across the quartz reef by electrical resistivity method has provided the small scale parameter variation correlating with the degree of weathering/ fissuring at various depths. The quartz reef intrusive in granite rock can be very useful for locating a potential aquifer. The contact zones of quartz reef may provide potential groundwater zone as deepening of the weathering front is established with reasonable accuracy. Although the intrusive always create a shear zones usually favourable for groundwater occurrence and flow but the present investigations have provided a detailed subsurface scenario quantifying the variability even at small scale. The groundwater flow from upstream side to downstream get accumulated in the zone and make favourable location for siting a high yielding well. The well IFP-30/10 drilled at the centre of the reef has proved as one of the highest yielding well at Kothur quartz reef site. Thus quartz reef can also be potential groundwater zone provided it is well connected with the contact zone through open fractures.