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Engineering and Mining Geophysics 2021
- Conference date: April 26-30, 2021
- Location: Online
- Published: 26 April 2021
181 - 184 of 184 results
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Geophysical Simulations and Inversions with SimPEG
Authors Joseph Capriotti, Lindsey Heagy and John KuttaiSummarySolving a geophysical inverse problem and obtaining a meaningful result that can be interpreted in the context of the geologic question being asked requires bringing together numerical tools for solving partial differential equations, selecting a regularization functional, defining an optimization problem, and specifying tuning parameters and heuristics for performing the optimization. All of these choices are what make an inversion work (or not) in practice. These are captured in the software that implements an inversion approach. Open-source, community-driven software development offers a paradigm for collaborating on, reproducing, extending, and distilling ideas that can be expressed in code. SimPEG is an example of a project and community that have adopted this model for the development of tools for solving geophysical inverse problems (https://simpeg.xyz). In this poster, we: (1) provide an overview of current functionality; (2) demonstrate its use through examples in mineral exploration, an environmental application in slope stability, and a humanitarian geophysics project for locating groundwater resources in Myanmar; and (3) discuss avenues for getting involved in using and contributing to SimPEG.
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(Re)using Content Between Notebooks and Beyond
More LessSummaryThe analysis and explanations in Jupyter Notebooks are often required in other reports, presentations, papers, or tutorials. Currently, content is duplicated through copy/paste, loosing any ability for linked updates, versions or downstream contributions. We introduce a tool, curvenote.com, that enables the “import” of cells between notebooks and editing of that content in a new interactive writing platform.
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Collaborative & Connected Scientific Writing
By Steve PurvesSummaryIn the world of software, engineers and developer are empowered but tool chains that help them craft, re-use, share and build on their previous work and the work of others. That process of extending and remixing previous work is integral to the software power leaps in technology that we see around us. Imagine equipping scientists with a tool chain of their own? customised to their needs and enabling in the same way re-use, sharing, remixing and rapid publication. Such a tool chain could well take us towards a tipping point in open science.
At Curvenote we are building such a toolchain, by connecting scientists' writing directly to their computational tools and through a collaborative environment, we help stop wasted time and effort, make it easier to build on previous work and provide a traceable path from a figure in a paper back to the code and data that produced it. Such a tool chain can both accelerate progress and significantly improve reproducibility of work.
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Ohmpi Project: An Open Source Resistivity Meter
By Rene ClementSummaryThe poster presents the developments of a low-cost and open hardware resistivity-meter providing the scientific community with a robust and flexible tool for small experiments. The present version is a basic resistivity-meter with the current injection and measurement functions associated to a multiplexer that allows to perform automatic measurements with up to 32 electrodes. We also introduce the future development of OhmPi V2.00.
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