Aegis Geophysics
Forward & Inverse modelling
for the Interpretation of Airborne, ground and downhole electromagnetic survey data for Minerals and groundwater exploration
About Aegis Geophysics
Aegis Geophysics is a consultancy specialising in forward and inverse modelling of airborne, ground and downhole electromagnetic survey data for minerals and groundwater exploration.
Forward modelling is an effective means to aid understanding of the interaction of a survey system with a target.
Inverse modelling is a useful lense through which to interpret field data.
We offer expert instruction in the use of the P223 codes.
Aegis Geophysics is owned by Dr David Annetts.
Selected conference presentations
Year | Title | Conference | Download |
2021 | Almost automatic geological mapping from AEM surveys | AEGC, Brisbane | |
2019 | Target detectability in regional-scale AEM surveys | AEGC, Perth | |
2018 | Ten years in the wild: The P223 experiment | AEGC, Sydney | |
2016 | Summarising AEM data for mapping applications | ASEG-PESA, Adelaide | |
2015 | The application of AEM to mapping sea-water intrusion at La Grange, WA | ASEG-PESA, Perth | |
2013 | Effects of the choice of transient sampling scheme on AEM-derived electrical conductivity models | IAH Congress, Perth | |
2013 | Sampling the transient AEM decay | AEM Workshop, Kruger National Park, South Africa | |
2004 | The time-domain electromagnetic response of wedge-like structures | ASEG, Sydney | |
2003 | Modelling and matching the airborne EM response of Harmony and Maggie Hays | ASEG, Adelaide | |
2000 | Modelling the airborne electromagnetic response of a vertical contact | ASEG-PESA, Perth |
About the owner
I am a seasoned geophysicist with extensive experience in research and development, particularly in electromagnetic geophysics. My career spans over three decades, with a strong background in designing and leading projects that apply advanced electromagnetic techniques to solve complex geological problems.
Key Expertise:
- Research Leadership: Led numerous projects involving electromagnetic modelling, Bayesian inversion, and machine learning applications in geophysics.
- Problem Solving: Proven track record of addressing challenges in geophysical exploration, including the development of novel sensors and interpretation methodologies.
- Collaboration: Experienced in fostering industry-academic partnerships and managing diverse teams.
Professional Highlights:
- Former Senior Research Scientist at CSIRO, where I spearheaded projects on electromagnetic modelling and Bayesian inversion.
- David was President of the ASEG in 2020.
Dr Annetts maintains strong interests in Fortran, Julia, cyber security and network administration. He is a long-time user of the Wolfram Language for data analysis but is phasing it out in favour of Julia, a high-performance open-source alternative.
