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Resources > Technical Papers > Airborne Electromagnetics

General I Systems I Processing & Interpretation I Case Histories

General

Title		Published
	3D animated visualization of EM diffusion for a frequency-domain helicopter EM system	2007
	Influence of Displacement Current on the Response of Helicopter Electromagnetic Systems	2005
	The effect of the electrical anisotropy on the response of helicopter-borne frequency-domain electromagnetic systems	2004
	Geologically-Constrained Conversion of Frequency Domain EM Data to Time Domain	2004
	Airborne Electromagnetics: 50 Years of Development	1998
	Advances in Time-Domain EM Technology	1997

Systems

Title		Published
	Improved Mapping 0f Conductive Clays and Groundwater Salinity Using Attitude-corrected Helicopter-borne EM	2007
	Quantifying the Effects That Changes in Transmitter-Receiver Geometry Have on the Capability of an Airborne Electromagnetic Survey System to Detect Good Conductors	2006
	A helicopter time-domain EM system applied to mineral exploration: system and data	2005
	The MEGATEM fixed-wing transient EM system applied to mineral exploration: a discovery case history	2003
	An experiment to compare airborne, semi-airborne and ground electromagnetic systems	2001
	Tracking the transmitting-receiving offset in fixed-wing transient EM systems: methodology and application	2001
	Using an induction coil sensor to indirectly measure the B-field response in the bandwidth of the transient electromagnetic method	2000
	On the airborne transient EM response of a magnetic anomaly	1999
	Effect of varying the pulse width to detect high conductance bodies	1998
	U se of B-field measurements in an airborne time-domain system: Part I. Benefits of B-field versus dB/dt data	1998

Processing & Interpretation

Title		Published
	Comparison of Fixed-Wing Airborne Electromagnetic 1D inversion methods	2007
	A discrete conductor transformation of airborne electromagnetic data	2007
	Comparison of Airborne EM Inversions to Cone Penetrometer Results for Identifying Clay Layers under Rio Grande Levees	2007
	Combining airborne electromagnetic data from alternating flight directions to form a virtual symmetric array	2006
	Approximate apparent conductance (or conductivity) from the realisable moments of the impulse response	2005
	Effect of bird maneuver on frequency-domain helicopter EM response	2004
	Attitude corrections of helicopter EM data using a superposed dipole model	2004
	Asymptotic expansions for the calculation of the transient electromagnetic fields induced by a vertical magnetic dipole source above a conductive halfspace	2004
	Mapping conductivity, magnetic susceptibility and dielectric permittivity with HEM data	2004
	Identification of Electrical Anisotropy from Helicopter EM Data	2003
	Using a non-integer moment of the impulse response to estimate the halfspace conductivity	2003
	Using the moments of a thick layer to map conductance and conductivity from airborne electromagnetic data	2002
	The moments of the impulse response: a new paradigm for the interpretation of transient electromagnetic data	2002
	The application of Zohdy's method to AEM Data	2001
	Automated anomaly modeling of AEM data with magnetic dipoles buried inside a layered earth	2001
	The impulse-response moments of a conductive sphere in a uniform field, a versatile and efficient electromagnetic model	2001
	On removing the primary field from fixed-wing time-domain airborne electromagnetic data: some consequences for quantitative modelling, estimating bird position and detecting perfect conductors	2001
	Taming the Wild Inversion: Practical Consideration in Applying Inversions to Helicopter Electromagnetic Data	2000
	The realisable resistive limit: a new concept for mapping geological features spanning a broad range of conductances	2000
	Robust estimation of the band-limited inductive-limit response from impulse-response TEM measurements taken during the transmitter switch off and the transmitter off-time: Theory and an example from Voisey's Bay, Labrador, Canada	2000
	Visualisation of sub-surface conductivity derived from airborne EM	2000
	An example of 3D conductivity mapping using the TEMPEST airborne electromagnetic system	2000
	Conductive unit parameters: summarising complex conductivity distributions	2000
	How to find Localised Conductors in GEOTEM Data	1998
	Induced Polarisation Effects in Time Domain EM Data	1997
	Conductivity-Depth Transform of GEOTEM Data	1995
	The Differential Parameter Method for Multifrequency Airborne Resistivity Mapping	1996
	Resistive-limit, Time-domain AEM Apparent Conductivity	1996
	Identification of Electrical Anisotropy from Helicopter EM Data	--
	Practical Inversions for Helicopter Electromagnetic Data	--

Case Histories

Title		Published
	A Comparison Between Old and Recent Airborne Time-Domain Electromagnetic Surveys Flown in the Chibougamau Region, Eastern Canada	2007
	Geophysical Case Study of the Gallen Deposit, Québec, Canada	2007
	Application of time-domain airborne electromagnetic induction to hydrogeologic investigations on the Pajarito Plateau, New Mexico, USA	2007
	Airborne EM measurements over the Shea Creek Uranium prospect, Saskatchewan, Canada	2006
	Geophysical Case Study of the Iso and New Insco Deposits, Québec, Canada, Part I: Data Comparison and Analysis	2005
	Geophysical Case Study of the Iso and New Insco Deposits, Québec, Canada, Part II: Modeling and Interpretation	2005
	Using airborne electromagnetics surveys to investigate the hydrogeology of an area near Nyborg, Denmark	2004
	Applying airborne electromagnetic induction in groundwater salinisation and resource studies, West Texas	2002
	Validation and integration of airborne EM data with surface and subsurface observations for catchment management- an example from Bendigo, Victoria, Australia	2001
	A comparison of data from airborne, semi-airborne and ground electromagnetic systems	2001
	Mapping Grain Size Facies for the Hydrogeologic Model of the Middle Rio Grande Basin, New Mexico Using Airborne Time-domain Electromagnetic Data	2001
	Airborne EM Applied to Sulphide Nickel - Examples and Analysis	2001
	Airborne EM as a 3-D Aquifer-mapping tool	2000
	Airborne EM survey over the Groote Eylandt manganese mine, Australia	2000
	Airborne resistivity and susceptibility mapping in magnetically polarisable areas	2000
	Geophysics and Diamond Exploration - A Review	1999
	Undercover Assignment for TEMPEST	1999
	The use of B-field measurement in an airborne time-domain system- Part II: examples in conductive regimes	1998
	The Evolution of Airborne Time Domain Electromagnetic Applications for Geologic Mapping: a Noranda Perspective	1998
	Airborne ALTREX^TM Electromagnetic/Magnetic Definition of Hydrocarbon Alteration Plumes	1998
	Induced Polarisation Effects in Time Domain EM Data	1997
	A New Regional Exploration Method for Detecting Hydrocarbon Alteration Plumes: The ALTREX^TM Method	1997
	Application of a modified GEOTEM system to reconnaissance exploration for kimberlites in the Point Lake area, NWT, Canada	1996
	The usefulness of multicomponent, time-domain airborne electromagnetic measurements	1993
	A special circumstance of airborne induced-polarisation measurements	1993
	Airborne EM resistivity applied to exploration for disseminated precious metal deposits	1990
	Assessing Groundwater Perching Horizons using Synthetic, Ground, and Airborne TDEM Data at the Pantex Plant, Texas	--
	Sand and Gravel Mapping in Northeast British Columbia Using Airborne Electromagnetic Surveying Methods	--
	An Interpretation of the 1997 Airborne ElectroMagnetic (EM) Survey over the Upper San Pedro River Drainage near Fort Huachuca, Southeastern Arizona	--

Technical Papers

General Geophysics

Airborne
Electromagnetics

Airborne Magnetics

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