We use a seismic source to send sound waves into the ground with one of two sources, a hammer and plate or a buffalo source. This sound wave travels through rock formations and moves the rock slightly (usually less than one millimeter). When this movement occurs in a water bearing rock formation (where there is sufficient water to provide a measurable yield to a well) then the water is displaced (moved). This movement causes a small but measurable electrical signal. That electrical signal returns to the surface and is recorded by our equipment. We then take that data back to our office and after a few hours of processing we are able to determine depth, yield, and quality (as it relates to salinity). If there is no water then there will be no signal indicating an aquifer. If salinity is too high, (above 1000 parts per million) then there will be no significant signal returned.
We use a seismic source to send sound waves into the ground with one of two sources, a hammer and plate or a buffalo source. This sound wave travels through rock formations and moves the rock slightly (usually less than one millimeter). When this movement occurs in a water bearing rock formation (where there is sufficient water to provide a measurable yield to a well) then the water is displaced (moved). This movement causes a small but measurable electrical signal. That electrical signal returns to the surface and is recorded by our equipment. We then take that data back to our office and after a few hours of processing we are able to determine depth, yield, and quality (as it relates to salinity). If there is no water then there will be no signal indicating an aquifer. If salinity is too high, (above 1000 parts per million) then there will be no significant signal returned.
or Greylock Consulting, LLC licensed hydro geologist.