Refine your workflow from raw data to geophysical models and present confidently with AGS Workbench

Induced polarisation effects are common in electromagnetic data but are often discarded as noise. With Workbench, you can model IP effects alongside resistivity and generate models that resemble the true resistivity of the subsurface.

Model time-domain electromagnetic-induced polarisation effects with Workbench’s Cole-Cole or Maximum Phase Angle inversion. Simultaneously modelling IP and resistivity parameters can reduce data misfits and artefacts and produce geologically sound geophysical models.

Import any size dataset from ground or airborne EM or ERT/IP surveys with custom-built importers for industry-standard instruments, system configurations, and file formats (e.g., SkyTEM, tTEM, .dt1). Imported models can be used as constraints or a starting point for new inversions. Compare inversion results to boreholes, geophysical logs, or other available data in the same workspace.  All data is tightly integrated with the GIS for an optimal data handling experience.

Workbench relies on Aarhus inversion code (AarhusInv) for efficient, high-performance modelling and inversion of airborne and ground-based EM, GCM, ERT, MRS, and TDIP data. 1D models can be laterally (LCI) or spatially (SCI) constrained during inversion in AarhusInv to create pseudo 2D and 3D models. The inversion code is designed to handle large-scale airborne EM surveys and supports multi-CPU cores with high parallel efficiency. In addition to generating resistivity models, it calculates a depth of investigation (DOI) value and data residual for each model. AarhusInv supports LCI and SCI setups, TEM IP inversion, smooth, blocky, sharp, layered models, and all industry-leading instruments. Pay per usage of the ACI (Aarhus Computing Infrastructure) is available when high computational power is required for demanding inversion jobs.

Visualise raw and averaged data to identify background noise caused by powerlines, pipes, and cables and remove affected data by auto processing or manual inspection.

Extract resistivity-depth slices, depth-to-layer boundaries, and clay thickness with thematic modelling and visualisation tools. Use the QC tool to create GIS themes to visualise datasets, depth of investigation, system geometry, and data parameters. Draw 2D sections directly from the GIS, and add resistivity models, boreholes, and more to the section. Visualise 2D and 3D grids in the 3D viewer and generate smooth, blocky, sharp, or few-layered models to fit any interpretation requirement.