Wang & EF Tan Associates

Consulting & Registered Surveyors


Aerial Lidar

Aerial Lidar Survey is that branch of survey that is concern with the measurement of the earth surface and all features on the earth surface from the air using Lidar.


Lidar (also written LIDAR or LiDAR) is a remote sensing technology that measures distance by illuminating a target with a laser and analyzing the reflected light. Although erroneously considered to be an acronym of LIght Detection And Ranging, the term lidar was actually created as a portmanteau of "light" and "radar.”

Lidar is popularly used as a technology used to make high-resolution maps, with applications geomatics, archaeology,geography, geology, geomorphology, seismology, forestry,remote sensing, atmospheric physics, airborne laser swath mapping (ALSM), laser altimetry, and contour mapping.

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