https://github.com/ansleybrown1337/em38-and-esap-material
A collection of material for performing electromagnetic induction (EMI) surveys using an Geonics, Ltd. EM38 device, plus theory. Additionally, it contains the necessary software and training for running ESAP.
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Repository
A collection of material for performing electromagnetic induction (EMI) surveys using an Geonics, Ltd. EM38 device, plus theory. Additionally, it contains the necessary software and training for running ESAP.
Basic Info
- Host: GitHub
- Owner: ansleybrown1337
- License: other
- Language: Jupyter Notebook
- Default Branch: main
- Size: 61.8 MB
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- Watchers: 1
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- Open Issues: 0
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Metadata Files
README.md

Here I provide the materials to give you an overview of EMI methods and their applications in agriculture, specifically for characteriing soil salinity as electrical conductivity (EC). We also provide a comprehensive guide to the Electromagnetic Sampling Analysis and Prediction Model (ESAP) developed by the USDA.
For any questions, please contact me at: ansley.brown@colostate.edu
-AJ
Contents
- Introduction
- EMI Techniques using Geonics EM38-MK2
- Electromagnetic Sampling Analysis and Prediction Model (ESAP)
- References
- Contact
Introduction
This repository contains training materials, examples, and installation guides for EMI techniques using Geonics EM38-MK2 and the ESAP software developed by the USDA.
Repo Structure
EMI Techniques using Geonics EM38-MK2
Details on the Geonics EM38-MK2 can be found in the
/EM38-MK2folder. This section provides information on the instrument's features and operational modes.Electromagnetic Sampling Analysis and Prediction Model (ESAP)
Information on the ESAP model developed by the USDA is available in the
/ESAPfolder. This includes software guides, user manuals, and practical applications.Literature
Contains a list of relevant literature on EMI techniques, EM38 usage, and ESAP.
References
Lesch, S., Rhoades, J., Corwin, D.L., Robinson, D., Suarez, D.L., 2002. ESAP-SaltMapper version 2.30 R. User manual and tutorial guide, Res. Report 149, December (2002). USDA-ARS. George E. Brown, Jr., Salinity Laboratory, Riverside, California.
Geonics Limited. (2013). EM38-MK2 [Measurement instrument]. Mississauga, ON, Canada: Geonics Limited.
License

The content and materials developed by A.J. Brown in this repository are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. In summary, contents are intended for educational purposes only and cannot be used for commercial purposes.
Note: The EM38 and ESAP software are included under their respective licenses. Please refer to their respective directories for license details.
Contact
For questions or comments, please contact me at:
A.J. Brown
Agricultural Data Scientist
Ansley.Brown@colostate.edu
Owner
- Name: AJ Brown
- Login: ansleybrown1337
- Kind: user
- Company: Colorado State University
- Website: sites.google.com/view/ansleyjbrown
- Repositories: 4
- Profile: https://github.com/ansleybrown1337
Data Specialist & Agronomist | Ag Water Quality Program
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