Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What is the relationship between the units used in EM surveys and electrical conductivity from a lab?

April 26, 2017conductivity electrical em lab relationship surveys units Used

0

Posted

What is the relationship between the units used in EM surveys and electrical conductivity from a lab?

1 Answer

0

Posted

A. The bulk soil conductivity of an area is estimated from the quadrature reading, using formulae proprietary to Geophex Ltd. The units for bulk soil conductivity are delineated as mS/m (milli-Siemens per metre). The conversion from these conductivity units to electrical conductivity determined on a saturated paste extract of a soil sample is roughly approximated by dividing mS/m by 10 to obtain a laboratory estimate of electrical conductivity in mmho/cm. The equivalent SI (Systeme Internationale) units would be dS/m (deci-Siemens per metre).