CGRG Bibliography of Canadian Geomorphology
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Author : Gray, J.T.; Lauriol, B.; Bruneau, D.; and Briand, P.
Date : 1989
Title : Residual snow patch mapping in arctic Canada using Landsat TM images
Publication : Proceedings - Canadian Symposium on Remote Sensing, 12th, Vancouver, B.C.
Issue :
Page(s) : 562-565.



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Abstract

Rapid mapping of the areal extent of mid-summer snow patches north of the arctic tree-line, as input to winter snow accumulation models, is readily carried out using LANDSAT TM image data. Discrimination of snow from cloud, bare rock, alluvial gravel beds and beach deposits proved relatively easy, using information combined from TM bands 2, 4 and 5. A linear stretch contrast and training area selection permitted the successful execution of a maximum likelihood classification, followed by measurement of snow-covered areas on all 512 x 512 sub-scenes of the original TM image. Some refinements are anticipated, notably for recognition of snow in shadowed areas, but the technique should prove suitable for large scale snow patch mapping across large sectors of the arctic

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Bibliography of Canadian Geomorphology