Investigation Of An Optical Method To Determine The Presence Of Ice On Road Surfaces

James Misener

Institute of Transportation Studies, Research Reports, Working Papers, Proceedings from Institute of Transportation Studies, UC Berkeley

Abstract: This report presents a review of alternative techniques to determine the presence of ice on road surfaces. It examines techniques ranging from passive, in-pavement technologies, to different remote sensing techniques. The author presents the Polarized Reflectance Infrared Signature Method (PRISM) technique which uses differences in measured near infrared reflectance between ice, water and dry road due to absorption, in addition to the effect of polarization to discount the contribution of specutacular reflectance off the front surface.

Keywords: Ice--Remote sensing; Optical detectors; Road weather information systems (search for similar items in EconPapers)
Date: 1998-08-01
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