Mapping of 3D hydrogeological framework of the deccan basalt groundwater systems using AEM

S. Chandra, S. Sonkamble, E. Auken, S. Ahmed, S. K. Verma

Publikation: Bidrag til bog/rapport/konferenceproceedingsKonferenceartikel i proceedingspeer review

Abstrakt

The SkyTEM data provides a comprehensive three-dimensional picture of the subsurface. The low moment data ensured the high resolution mapping of the near surface and the high moment data to the deeper level. The dual moment AEM data provided high resolution mapping of subsurface from top to ∼ 250 m depths. The results revealed significant contrast between the B-G layers that has a resistivity range of 10-15 m and generally has groundwater yields of 6-8 lps. It is also noted that the groundwater yield (> 6 lps) increases for deeper (>150 m) B-G contact. The potential aquifer zones such as intertrappeans, fractures in vesicular basalts and Basalt-Gondwana contact are clearly mapped in the resistivity section. The regional fault (potential aquifer) which is abutting in the SW part with its orientation SE-NW is successfully delineated in the mean resistivity maps. The aquifer systems in basalts and Gondwanas and their extensions are also clearly demarcated on the 3D map using AEM data.

OriginalsprogEngelsk
Titel2nd European Airborne Electromagnetics Conference 2017, Held at Near Surface Geoscience Conference and Exhibition 2017
ForlagEuropean Association of Geoscientists and Engineers, EAGE
Sider81-85
Antal sider5
ISBN (Elektronisk)9781510850804
DOI
StatusUdgivet - 2017
Begivenhed2nd European Airborne Electromagnetics Conference 2017 - Malmo, Sverige
Varighed: 3 sep. 20177 sep. 2017

Publikationsserier

Navn2nd European Airborne Electromagnetics Conference 2017, Held at Near Surface Geoscience Conference and Exhibition 2017

Konference

Konference2nd European Airborne Electromagnetics Conference 2017
Land/OmrådeSverige
ByMalmo
Periode3/09/177/09/17

Programområde

  • Programområde 2: Vandressourcer

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