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- W2008784865 abstract "Abstract Despite its large area covered by glaciers and ice caps, detailed glacier inventory data are not yet available for most parts of Baffin Island, Canada. Automated classification of satellite data could help to overcome the data gaps. Along-track stereo sensors allow the derivation of a digital elevation model (DEM) and glacier outlines from the same point in time, and are particularly useful for this task. While part I of this study describes the remote-sensing methods, in part II we present an analysis of the derived glacier inventory data for 662 glaciers and an application to glacier volume and volume-change calculations. Among other things, the analysis reveals a mean glacier elevation of 990 m, with a weak dependence on aspect and a close agreement of the arithmetic mean with the statistical mean elevation as derived from the DEM. A strong scatter of mean slope is observed for glaciers <1 km 2 , and the derived glacier thickness differs by a factor of two for glaciers of the same size. For the period from about 1920 to 2000 the relative area change is –12.5% (264 glaciers), with a strong dependence on glacier size. Mean mass loss as derived from volume changes is about –0.15 mw.e. a –1 ." @default.
- W2008784865 created "2016-06-24" @default.
- W2008784865 creator A5046929045 @default.
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- W2008784865 date "2009-01-01" @default.
- W2008784865 modified "2023-10-18" @default.
- W2008784865 title "A new glacier inventory on southern Baffin Island, Canada, from ASTER data: II. Data analysis, glacier change and applications" @default.
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- W2008784865 doi "https://doi.org/10.3189/172756410790595921" @default.
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