Sensitivity analysis of central-loop surface NMR data

Ahmad A. Behroozmand, Gianluca Fiandaca, Esben Auken

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

1 Citationer (Scopus)

Abstrakt

Surface NMR, also called magnetic resonance sounding (MRS) for 1D applications, has emerged as a promising geophysical method that is used to assess aquifer properties. A typical coincident-loop MRS measurement consists of a large wire loop deployed on the surface, acting as both a transmitter and a receiver. In this study, we present central-loop MRS data and discuss how this loop configuration helps better estimate the subsurface model as compared with the typical coincident loop configuration. We demonstrate sensitivity kernels for coincident and central loop configurations and describe advantages of central-loop MRS data in terms of superior behavior of the sensitivity function, reduced noise level, higher signal level, and improved resolution matrix. With no extra time and effort, the results of our field example represent an improved model of the area when central loop configuration is employed. Our results are in a very good agreement with complementary geophysical and borehole data and with hydrologic model of the area.

OriginalsprogEngelsk
Titel28th Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015, SAGEEP 2015
ForlagEnvironmental and Engineering Geophysical Society (EEGS)
Sider434-438
Antal sider5
ISBN (Elektronisk)9781510802483
StatusUdgivet - 2015
Udgivet eksterntJa
Begivenhed28th Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015, SAGEEP 2015 - Austin, USA
Varighed: 22 mar. 201526 mar. 2015

Publikationsserier

Navn28th Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015, SAGEEP 2015

Konference

Konference28th Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015, SAGEEP 2015
Land/OmrådeUSA
ByAustin
Periode22/03/1526/03/15

Programområde

  • Programområde 2: Vandressourcer

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