Vol. 7, No. 2, 133-141, 2008

Snow cover change detection with laser scanning range and brightness measurements
Sanna Kaasalainen, Harri Kaartinen and Antero Kukko

Abstract
We investigated the use of terrestrial laser scanner (TLS) range and brightness data for the measurement of seasonal snow cover. A practical application of a newly developed calibration technique for laser scanner intensity, based on calibrated reference targets for airborne and terrestrial use, is demonstrated. We applied this technique in snow cover measurements, and demonstrate that changes in the snow cover (snow pack height, changes in grain size/shape and overall wetness) are observable in terrestrial laser scanner range and brightness data, and call for development of new TLS-based snow monitoring methods. The role of other factors in the laser intensity measurement and calibration for snow, such as the incidence angle of the laser beam to the surface, is also discussed.

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History
Submitted: 03 Mar 2008
Revised: 03 Sept 2008
Accepted: 30 Sept 2008
Published: 25 Nov 2008
Responsible editor: Stefan Wunderle

Citation
Kaasalainen S, H Kaartinen & A Kukko, 2008. Snow cover change detection with laser scanning range and brightness measurements. EARSeL eProceedings, 7(2): 133-141

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EARSeL European Association of Remote Sensing Laboratories, Strasbourg, France

   
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BIS Library and Information System, Carl von Ossietzky University of Oldenburg

 

ISSN 1729-3782