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The Use of Landsat Digital Data For Glacier Inventories

  • P.J. Howarth (a1) and C.S.L. Ommanney (a2)

Abstract

Enhancement and classification of digital Landsat data has been carried out for two Canadian glaciers. The objective of the study was to determine the role that such data might play in preparing glacier inventories, It was difficult to measure accurately areas of glaciers and to map moraine-covered ice directly from information derived from digitally classified data. Digital enhancements, however, provide considerable, interpretive detail. Although Landsat imagery is not a substitute for aerial photographs in compiling glacier inventories, grey-tone prints can be used to identify changes rapidly and to provide a base map for recording information.

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Copyright

References

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Howarth, P J, Ommanney, C S L 1983 LANDSAT digital data for updating glaciological information on topographic and glacier inventory maps. In Wellar, B S (ed) Auto-Carto Six; proceedings of the Sixth International Symposium on Automated Cartography, October 16-21, National Capital Region of Canada. Vol 2. Automated cartography: international perspectives on achievements and challenges: 504513
Krimmel, R M, Meier, M F 1975 Glacier applications of ERTS images. Journal of Glaciology 15(73): 391402
Ommanney, C S L 1969 Glacier inventory of Canada: Axel Heiberg Island, Northwest Territories. Ottawa, Department of Energy, Mines and Resources. Inland Waters Branch (Technical Bulletin 37)
Ommanney, C S L 1970 Glacier inventory of Steacie Ice Cap area (79° N, 90°W), Axel Heiberg Island, N.W.T. Ottawa, Department of Energy, Mines and Resources. Inland Waters Branch (Reprint Series 65)
Østrem, G 1975 ERTS data in glaciology — an effort to monitor glacier mass balance from satellite imagery. Journal of Glaciology 15(73): 403415
Rundquist, D C, Collins, S G, Barnes, R B, Bussom, D E, Samson, S A, Peake, J S 1980 The use of Landsat digital information for assessing glacier inventory parameters. International Association of Hydrological Sciences Publication 126 (Workshop at Riederalp 1978World Glacier Inventory): 321331
Williams, R S Jr, Carter, W D 1976 ERTS-1: a new window on our planet. US Geological Survey. Professional Paper 929

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