Revealing Celtic Fields from Lidar Data Using Kriging Based Filtering

A detailed elevation model of the Netherlands has been acquired with the use of Airborne Laser Altimetry and is managed by AHN (Actueel Hoogtebestand Nederland). This elevation model can be used for a large amount of applications. Using a suited illumination technique it turned out to be possible to find and visualize so-called Celtic fields, agricultural fields systems of about 2500 years old in …