Tag

geographical information systems

  • Science

    Technology Busts Barrier Hunting

    View into culvert as two back hoes dig dirt around it

    Light detection and ranging (LiDAR) data is helping TU’s restoration teams work more efficiently and effectively.   Removing barriers to fish passage is a big part of Trout Unlimited’s work across the country, but you might be amazed to learn how complicated finding culverts or low-head dams can be.   For years, TU staff has been heading…