Program

Informal gathering at Browns Crafthouse UBC

101 - 6111 University Blvd

Registration

Welcome and Introductory Remarks

by Lindsey Heagy and David Alumbaugh

Forward Modelling (part 1)

Chair: Dikun Yang

• FEMALY: A Finite Element MAtlab LibrarY for Electromagnetics

  Klaus Spitzer, Jan Blechta, Jana Börner, Ralph-Uwe Börner, Michael Eiermann, Oliver Ernst, and Mathias Scheunert

  Read abstract Download slides

• An adaptive finite element solver for three-dimensional electromagnetic inductions

  Jianbo Long

  Read abstract

Coffee Break

Forward Modelling (part 2)

Chair: Evan Um

• On the Robustness, Efficiency and Scalability of an Iterative Framework in Combination With the Block-Based PREconditioner For Square Blocks PRESB Applied To Controlled-Source Electromagnetic Modelling

  Michael Weiss, Thomas Kalscheuer, and Maya Neytcheva

  Read abstract

• Rapid 3D finite-difference modelling for magnetotellurics based on Reduced Basis Method

  Hao Dong and Yijie Cui

  Read abstract

Lunch

Data: Physics & Theory

Chair: Klaus Spitzer

• Understanding problems in old MT data using modern methods

  Alan G. Jones, Randall Mackie, and Wolfgang Soyer

  Read abstract

• Negative transients in central-loop time-domain electromagnetic data: Induced polarization or 3D coupling effect?

  Dikun Yang, Ming Cheng, and Qiang Luo

  Read abstract

• Impacts of magnetic permeability on electromagnetic data collected in settings with steel-cased wells

  Lindsey J. Heagy and Douglas W. Oldenburg

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Coffee Break

Poster Lightning Talks

Poster Reception

Discover posters

• 3D inversion of semi-airborne magnetometric resistivity data

  Zhongchang Chen and Dikun Yang

• Conductivity structure beneath Australia constrained by 3-D inversion of MT Tippers in spherical geometry

  Filippo Cicchetti

• 3D AMT/MT case histories from Brazil

  Patricia de Lugão

• 3D minimum-structure inversion for CSEM problems using potentials and unstructured tetrahedral grids

  K.B. Kara and C.G. Farquharson

• Targeting epithermal Au-Ag using helicopter VTEM 1D resistivity and 3D magnetic inversion results, and radiometric data at Lawyers Project, North-Central BC, Canada

  Karl Kwan, Jean Legault, Jim Greig, Ewan Webster and Mark Hanki

• A parallel adaptive finite-element method for 3-D large-scale controlled-source electromagnetic forward modelling with hierarchical tetrahedral grids

  Z. Liu, Z. Ren, H. Uao, J. Tang, X. Lu, and C.G. Farquharson

• Fast 3D magnetotelluric forward modeling using survey decomposition

  Lian Liu, Dikun Yang

• Using convolutional neural networks to classify UXO with multicomponent electromagnetic induction data

  Jorge Lopez-Alvis, Lindsey J. Heagy, Douglas W. Oldenburg, Stephen Billings and Lin-Ping Song

  Read abstract

• 2.5D Inversion of frequency-domain Land CSEM data using Broyden's method

  Ali Mohand-Saïd

• DESMEX - Evolution of Semi-airborne Controlled-source Electromagnetics for Mineral Exploration and Beyond

  The DESMEX Team

• 3D Casing-Source Electromagnetic Modeling for CO2 Plumes and Enhanced Geothermal Systems Monitoring

  Evan Schankee Um and David L. Alumbaugh

  Read abstract

• Petrophysically constrained joint inversion of multi-physical data using the extended alternting direction method of multipliers

  Ke Wang, Dikun Yang

• Reparametrizing the Geophysical Inverse Problem using a Convolutional Neural Network

  Anran Xu and Lindsey Heagy

  Read abstract

Inversion (part 1)

Chair: Toshi Uchida

• Resolving bottlenecks of 3D controlled-source electromagnetic Gauss-Newton inversion

  Anna Avdeeva, Rune Mittet and Ole Martin Pedersen

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• Surface geometry inversion of TEM data for thin, dipping conductors

  Xushan Lu, Colin Farquharson and Peter Lelièvre

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• Including geological orientation information into geophysical inversions with unstructured tetrahedral meshes

  Mitra Kangazian, and Colin G. Farquharson

  Read abstract

Coffee Break

Inversion (part 2)

Chair: Colin Farquharson

• Hybrid OCCAM-Conjugate Gradients Inversion Algorithms with Applications to Marine CSEM data

  Gary D. Egbert, Naser Meqbel and Paulo Werdt

  Read abstract

• 3D inversion of frequency-domain controlled source electromagnetic data for hydraulic fracturing fluid imaging with the effect of steel casings

  Ying Hu, and Dikun Yang

  Read abstract

Data Acquisition & Instrumentation (part 1)

Chair: Alan Jones

• A Modeling Assessment of Using Optical Fiber Devices For Electric Field Measurements

  David Alumbaugh, Evan Um, Michael T. V. Wylie and Bjorn Paulsson

  Read abstract

• Copper permalloys for fluxgate magnetometer sensors

  B. Barry Narod, David M. Miles

  Read abstract

• Interferographic TEM Beamforming Resolution

  Bryan James, Kyubo Noh, Andrei Swidinsky, Johannes Stoll, and Daryl Ball

  Read abstract

Group Photo

Coffee Break

Data Acquisition & Instrumentation (part 2)

Chair: Jean Legault

• UAV-based semi-airborne CSEM for mineral exploration - 3D joint inversion of scalar and vector magnetometer data

  Raphael Rochlitz, Philipp Kotowski, Thomas Günther, and Michael Becken

  Read abstract

• Enhancing Subsurface Imaging in Mineral Exploration through Optimized large- scale Semi-Airborne Surveys: Synthetic Modelling and field Data

  Saeed Nazari, Raphael Rochlitz, and Thomas Günther

  Read abstract

• Airborne Natural Source Electromagnetics Using an Arbitrary Base Station

  Devin C. Cowan, Lindsey J. Heagy and Douglas W. Oldenburg

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Banquet at Cecil Green Park House

6251 Cecil Green Park Rd

Case Studies (part 1)

Chair: Patricia de Lugao

• Comparison of 3D finite-element and finite-difference inversion of magnetotelluric data in Okuaizu geothermal area, northern Japan

  Toshihiro Uchida and Yusuke Yamaya

  Read abstract

• 3D inversion of onshore controlled source electromagnetic data in the Kusatsu- Shirane Volcano

  Keiichi Ishizu, Yasuo Ogawa, Kuo Hsuan Tseng, Takahiro Kunitomo, Norihiro Kitaoka, Grant Caldwell, Takuto Minami, Sohei Serita, Hiroshi Ichihara, Ted Bertrand, and Wiebke Heise

  Read abstract

Coffee Break

Case Studies (part 2)

Chair: Raphael Rochlitz

• 3D ZTEM Airborne Natural Field EM & Magnetic Inversion and Mineral Targeting Results over the Berg Porphyry Copper Project, near Houston, British Columbia

  Jean M. Legault, Karl Kwan, and Shane Ebert

  Read abstract

• AEM Surveys Applied for Iron Formation Mapping: A Proxy for Iron Ore Exploration

  Marco Antonio Couto Junior, Dionisio Uendro Carlos and Raphael Fernandes Prieto

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Concluding remarks