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Correction to 'Determination of actual snow-covered area using Landsat TM and digital elevation model data in Glacier National Park, Montana'

Published online by Cambridge University Press:  27 October 2009

Philip T. Giles
Philip T. Giles
Affiliation:
Department of Geography, Saint Mary's University, Halifax, Nova Scotia B3H 3C3, Canada
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Abstract

In the article by Hall and others (1995), a topographic correction factor (C) was developed for estimating actual land area by taking into account the effect of sloping terrain. An error that was made during image processing resulted in values of C being exaggerated. For this note, values of C for the example landscape in Glacier National Park were recalculated, and the results with and without the error are compared. It is shown that the error caused the mean value of C reported for the example landscape to be exaggerated by a factor of 2.62 times.

Information

Type
Note
Information
Polar Record , Volume 38 , Issue 204 , January 2002 , pp. 53 - 55
Copyright
Copyright © Cambridge University Press 2002

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References

Hall, D.K., Foster, J.L., Chien, J.Y.L, and Riggs, G.A.. 1995.Determination of actual snow-covered area using Landsat TM and digital elevation model data in Glacier National Park, Montana. Polar Record 31 (177): 191—198.CrossRefGoogle Scholar