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Frequently asked questions (FAQ) on electrical geophysical equipment and software
Submitted by landviser on Wed, 03/21/2012 - 16:57How to convert conductivity to resistivity?
Are there any difference between LandMapper ERM-01 and other equipment available on the market?
How your equipment calculates electrical resistivity?
How to calculate geometrical coefficient K?
Does electrical resistivity correlate with any soil properties?
Can your equipment measure electrical resistivity/conductivity in soil and water samples?
How to determine the depth of the measurements?
How to convert conductivity to resistivity?
Electrical resistivity (ER) is reciprocal to conductivity (EC) and results can be easily recalculated using formula EC=1/ER or vice versa ER=1/EC. Electrical resistivity is more convenient to use on non-saline soils, where conductivity can be mSm/m, while resitivity measures in 102-103 Ohm m range. 1000 Ohm m equals 1 mSm/m. You can find more conversions to ppm, TDS, grains of salt in this flyer.
Geophysical and Geostatistical Software
Landviser, LLC has developed a 1D interpretation software for soil vertical electrical sounding (iVES), which available for FREE download. We also an authorized distributor for a number of special software for interpretation of geophysical surveys such as RES2DINV and RES3DINV, resistivity inversion imaging by GEOTOMO Software (Malaysia); RadExPro, seismic interpretation by DECO Geophysical software company (Russia).
Current complete catalog of Landviser, LLC
RES2DINV and RES3DINV tech specs
DIY: Setup Zotero - free open source publication and citation manager
Submitted by landviser on Wed, 04/18/2012 - 16:14Zotero [zoh-TAIR-oh] is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources. It lives right where you do your research — in the web browser itself. You can use it to quickly grab and re-use citation from our public library “Soil Electrical Geophysics”.
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A personal research assistant!Zotero is the only research tool that automatically senses content, allowing you to add it to your personal library with a single click. Whether you're searching for a preprint on arXiv.org, a journal article from JSTOR, a news story from the New York Times, or a book from university’s or public library catalog, Zotero has you covered with support for thousands of sites.
Zotero collects all your research in a single, searchable interface. You can add PDFs, images, audio and video files, snapshots of web pages, and really anything else. Zotero automatically indexes the full-text content of your library, enabling you to find exactly what you're looking for with just a few keystrokes. |
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Landviser, LLC (USA)
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We are an international consulting company with headquarters in Texas, USA and business contacts in Canada, Russia, Malaysia, Philippines, Middle East, China and South America.
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