Airborne Electromagnetics for Salinity

Authors:

Salt and groundwater mapping using airborne electromagnetic (AEM) surveys provides, for the first time, a three-dimensional underground picture that shows both where the salt is and the most likely flow paths that the groundwater (and salt) will move along. By combining the airborne survey data with an on-ground calibration drilling programme, a three-dimensional map is built that reveals not only salt stores, but also the pathways of groundwater flow that are most likely to deliver water and salt to streams.

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