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lidar

Airborne lidar (light detection and ranging), also known as Airborne Laser Scanning (ALS), provides precise 3-dimensional measurements of the ground surface that can help archaeologists to identify and record our cultural heritage. Different techniques can be used to manipulate this data and can even help to reveal features otherwise hidden under woodland cover

A brief history of lidar 01 November 2011, 13.31 Using the same principles as radar, airborne lidar was first developed in the 1960s for submarine detection, but apart from a brief use in Costa Rica in Read More	Airborne lidar technology 01 November 2011, 13.57 Lidar uses an active laser beam transmitted in pulses from an aircraft with sensors recording the returning reflection. The precise location of the sensor Read More
What does lidar provide? 01 November 2011, 14.06 Lidar is seen by some as a tool that will record all aspects of the historic environment, meaning we no longer need other techniques, especially as it is Read More	Height data from lidar 01 November 2011, 14.49 Archaeologists have interpreted historic sites from humps and bumps visible on the ground or from the air for a long time. However, the height data Read More
Lidar intensity data 01 November 2011, 14.58 As well as the relative x, y and z position of the point on the ‘ground’ the sensor also records the intensity of the reflected signal. When seen as a Read More	lidar - bibliography 02 November 2011, 15.22 Bibliography related to LiDAR topics (under Read More