Please use this identifier to cite or link to this item: https://zone.biblio.laurentian.ca/handle/10219/3866
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dc.contributor.authorBagley, Thomas-
dc.contributor.authorSmith, Richard S.-
dc.date.accessioned2022-04-25T19:04:49Z-
dc.date.available2022-04-25T19:04:49Z-
dc.date.issued2022-01-01-
dc.identifier.citationBagley, T., and Smith, R. S., 2022, Estimating the parameters of simple models from two-component on-time airborne electromagnetic data: Geophysics, 87(1), K15-K27. DOI: 10.1190/GEO2021-0307.1en_US
dc.identifier.urihttps://zone.biblio.laurentian.ca/handle/10219/3866-
dc.description.abstractThe horizontal and vertical components of an on-time electromagnetic (EM) response can be used to estimate the parameters of simple models such as thin sheets, half-spaces, thin sheets over a lower half-space, and a two-layer model. The formulas used in these methods are valid in areas where the on-time response is essentially proportional to the conductivity or conductance, the so-called “resistive limit.”The half-space and thin sheet over lower half-space models can be combined to give an estimate of the conductivity for a lower half-space below a thick sheet that might be reasonable for the entire survey area. With this estimation, an equation solver can be used to estimate the thickness and conductivity of the overlying thick sheet over the whole sur- vey area. This latter approach seemed most appropriate for the Russell South area in the Athabasca Basin, Canada, where GEOTEM data have been collected. The output of the algorithm was generally stable. Although it did not always reliably reproduce the overburden thicknesses as measured in a set of reference drillholes, it did give an estimate that was reasonable in the relatively conductive areas.en_US
dc.language.isoenen_US
dc.subjectParametersen_US
dc.subjectelectromagnetic (EM) dataen_US
dc.subjectresistive limiten_US
dc.subjecton-time responseen_US
dc.subjectAthabasca Basin, Canadaen_US
dc.subjectRussell South areaen_US
dc.titleEstimating the parameters of simple models from two-component on-time airborne electromagnetic dataen_US
dc.typeArticleen_US
dc.publisher.grantorLaurentian University of Sudburyen_US
Appears in Collections:Smith, Richard S.

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