Reproduce: UBC-GIF OcTree#

Simulating Transient TEM Data over a Conductive Layered Earth#

Transient TEM data are simulated over a conductive 1D layered Earth. From the top layer down we define 3 layers with electrical conductivities \(\sigma_1\) = 0.01 S/m, \(\sigma_2\) = 0.1 S/m and \(\sigma_3\) = 0.01 S/m. The thicknesses of the top two layers are both 64 m.

The transient response is simulated for x, y and z oriented magnetic dipoles at (0, 0, 5). The x, y and z components of H and dB/dt are simulated at (10, 0, 5). However, we only plot the data for horizontal coaxial, horizontal coplanar and vertical coplanar geometries.

UBC-GIF Package Details#

There are two packages capable of modeling TEM data on OcTree meshes. These are:

UBC TD Octree v1: TD OcTree v1 is a voxel cell TDEM forward modeling and inversion package developed by the UBC Geophysical Inversion Facility. This software is proprietary and can ONLY be acquired through appropriate academic or commerical licenses. The numerical approach of the forward simulation is described in the online manual’s theory section. If you have a valid license, there are instructions for reproducing the results (add link).

UBC TDRH v2: TDRH v2 is a voxel cell TDEM forward modeling and inversion package developed by the UBC Geophysical Inversion Facility. This software is proprietary and can ONLY be acquired through appropriate academic or commerical licenses. The numerical approach of the forward simulation is described in the online manual’s theory section. If you have a valid license, there are instructions for reproducing the results (add link).

Running the Forward Simulation#

Step 1: Acquiring a commercial or academic license.#

  • Explain and link to where you would get licenses. Make ABSOLUTELY CLEAR we don’t just give out the licenses willy-nilly.

Step 2: Downloading and extracting assets#

  • Link and instructions for download

Step 3: Running the forward modeling executable#

  • Brief description of what files are needed

  • Link to the manual page where we run the forward simulation