Electrical Resistivity Tomography at the Search of Groundwater on the South of Russia

Авторы: Kvon D.A., Shevnin V.A., Nikulin B.A., Ryjov A.A., Skobelev A.D.
Сборник: 19 Near Surface 2013. Bochum, Germany
Серия: NSG EAGE
Тезисы
Год издания: 2013
Место издания: EAGE Bochum, Germany
Первая страница: 1
Последняя страница: 5
Аннотация: Due to shortage of fresh drinking water near Anapa town (near Black Sea), geophysical investigations were performed for searching and mapping aquifers in the area, where, according to rare wells exist probability to find fresh underground water. Geophysical survey was carried out with Electrical Resistivity Tomography (ERT) and water resistivity measurements. The resistivity of fresh groundwater is 15 Om.m, its salinity is 0.4 g/l. We calculated rocks resistivity taking into account groundwater salinity and concluded that basement rock is limestone not marl. This conclusion was supported by roentgen-radiometric measurements of rock samples estimating 85% of CaCO3 content. When petrophysical model of rocks was determined we found boundary values of resistivity for fractured water-saturated limestone, gravel and sand and these isolines put on geoelectrical cross-sections to mark probable water-saturated zones and plan boreholes for their verification.
Добавил в систему: Шевнин Владимир Алексеевич

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