PBS has created a 7 minute video on mapping aquifers over portions of the Ogallala from a helicopter mounted sensor developed in Denmark. http:/...

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PBS has created a 7 minute video on mapping aquifers over portions of the Ogallala from a helicopter mounted sensor developed in Denmark. http://video.kqed.org/video/2365289913/. A paper on the work being done in Denmark to map and protect groundwater can be seen at http://skytem.com/wp-content/uploads/2014/12/Greater-water-security-with-groundwater.pdf.