Lidar is a remote sensing tool to find a object with out touching the object. Lidar is a method for determining ranges by targeting an object with a laser and measuring the time for the reflected light to return to the receiver. TYPES OF LIDAR Physical Process Scattering Process Platform APPLICATION: AGRICULTURE ARCHAEOLOGY BIOLOGY & CONSERVATION HYDROLOGY MILITARY & LAW ENFORCEMENT PHYSICS & ASTRONOMY METEROLOGY GEOLOGY ADVANTAGE & DISADVENTAGE