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http://hdl.handle.net/2122/9500| Authors: | Legault, J. M.* Prikhodko, A.* Eadie, T.* Kwan, K.* Oldenborger, G. A.* Sapia, V.* Viezzoli, A.* Gloaguen, E.* Smith, B. D.* Best, M. E.* |
Title: | Recent AEM Case Study Examples of a Full Waveform Time-Domain System for Near-Surface and Groundwater Applications | Journal: | European Association of Geoscientists and engineers | Series/Report no.: | 2013 | Issue Date: | Nov-2013 | DOI: | 10.3997/2214-4609.20131897 | Keywords: | HTEM; data inversion; data processing; instrument implementation | Subject Classification: | 04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous 05. General::05.01. Computational geophysics::05.01.99. General or miscellaneous 05. General::05.01. Computational geophysics::05.01.01. Data processing 05. General::05.01. Computational geophysics::05.01.03. Inverse methods 05. General::05.01. Computational geophysics::05.01.04. Statistical analysis |
Abstract: | Early time or high frequency airborne electromagnetic data (AEM) are desirable for shallow sounding or mapping of resistive areas but this poses difficulties due to a variety of issues, such as system bandwidth, system calibration and parasitic loop capacitance. In an effort to address this issue, a continued system design strategy, aimed at improving its early-channel VTEM data, has achieved fully calibrated, quantitative measurements closer to the transmitter current turn-off, while maintaining reasonably optimal deep penetration characteristics. The new design implementation, known as “Full Waveform” VTEM was previously described by Legault et al. (2012). This paper presents some case-study examples of a Full Waveform helicopter time-domain EM system for near-surface applications |
| Appears in Collections: | Article published / in press |
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|---|---|---|---|---|
| Legault_EAGE _2013.pdf | Main article | 1.47 MB | Adobe PDF | View/Open |
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