(FECYT – Spanish Foundation for Science and Technology) The information of the territory provided by the laser technology from an airplane can be combined with data collected in mountain lakes with an inflatable boat and a small echo sounder to obtain three-dimensional maps. The system has been successfully tested by two geologists at the Truchillas glacial lake in Spain.

Original source: https://www.eurekalert.org/pub_releases/2020-04/f-sf-3mo041720.php