GP41A:
All Things Electromagnetic I

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Session ID#: 15713

Session Description:
The frontiers of electromagnetic geophysics span giant magnetotelluric arrays for imaging deep crust and mantle processes to focused arrays for resource exploration and environmental, hydrological, volcanological, and geothermal mapping of the shallow crust. This session welcomes contributions from all things electromagnetic, including results from field studies for basic and applied research to presentations on the advancement of electromagnetic and magnetotelluric methods. This includes the development and application of novel instrumentation and data processing techniques, and new frontiers in numerical and inverse methods (e.g. 3D, joint, and multiphysics inversions; non-linear uncertainty estimation). We encourage contributions from all scales of electromagnetic studies stretching from laboratory studies of mineral and rock conductivity to large arrays for onshore, offshore and amphibious exploration to satellite studies of global conductivity.
Primary Convener:  Kerry Key, Institute of Geophysics and Planetary Physics La Jolla, La Jolla, CA, United States
Conveners:  Ninfa Bennington, U.S. Geological Survey, Hilo, United States, Romina Antonia Sarah Gehrmann, Dalhousie University, Halifax, Canada and Daniel W Feucht, University of Colorado at Boulder, Boulder, CO, United States
Chairs:  Daniel W Feucht, University of Colorado at Boulder, Boulder, CO, United States, Romina Antonia Sarah Gehrmann, Dalhousie University, Halifax, Canada and Kerry Key, Institute of Geophysics and Planetary Physics La Jolla, La Jolla, CA, United States
OSPA Liaison:  Kerry Key, Institute of Geophysics and Planetary Physics La Jolla, La Jolla, CA, United States
Index Terms:

0644 Numerical methods [ELECTROMAGNETICS]
1515 Geomagnetic induction [GEOMAGNETISM AND PALEOMAGNETISM]
3006 Marine electromagnetics [MARINE GEOLOGY AND GEOPHYSICS]
3914 Electrical properties [MINERAL PHYSICS]

Abstracts Submitted to this Session:

The Southern Washington Cascades magmatic system imaged with magnetotellurics (Invited) (117391)
Esteban Bowles-martinez, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Paul Bedrosian, USGS, Denver, CO, United States, Adam Schultz, Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, OR, United States, Graham James Hill, GNS Science, Lower Hutt, New Zealand and Jared Peacock, USGS, Geology, Minerals, Energy, and Geophysics Science Center, Menlo Park, CA, United States
An Efficient Multigrid (MG) Method For 3D Finite Difference Frequency Domain Electromagnetic Solutions (136852)
Rongwen Guo1,2, Gary D Egbert2 and Jianxin Liu1, (1)Central South University, School of Geosciences and Info-physics, Changsha, China, (2)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
AusLAMP long period magnetotellurics: progress update and new insights into Victorian geology and mineral prospectivity (171142)
Richard Chopping1, Jingming Duan2, Karol Czarnota1 and Tristan Kemp2, (1)Geoscience Australia, Canberra, ACT, Australia, (2)Geoscience Australia, Canberra, Australia
Electromagnetic studies in the Parnaiba Basin: Structural characterization by magnetotelluric imaging (184534)
Flora Ferreira Solon, National Observatory of Brazil, Geophysics, Rio De Janeiro, Brazil, Sergio Luiz Fontes, National Observatory of Brazil, Rio De Janeiro, Brazil and Emanuele Francesco La Terra, Observatório Nacional (ON/MCTIC), Rio De Janeiro, Brazil
Adapting Better Interpolation Methods to Model Amphibious MT Data Along the Cascadian Subduction Zone. (193255)
Blake Anthony Parris1, Gary D Egbert2, Kerry Key3 and Dean Livelybrooks1, (1)University of Oregon, Eugene, OR, United States, (2)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (3)Institute of Geophysics and Planetary Physics La Jolla, La Jolla, CA, United States
Electromagnetic signals due to ocean tides: Multiscale Forward Modelling in Spherical Coordinates (183612)
Huiqian Zhang, ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, Gary D Egbert, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Anna Kelbert, USGS Central Region Offices Denver, Denver, CO, United States and Alan D Chave, Woods Hole Oceanographic Institution, Woods Hole, MA, United States

See more of: Geomagnetism, Paleomagnetism and Electromagnetism