Distribution and Character of Naleds in Northeastern Alaska: Usgs Open-File Report 77-91
Harden, Deborah; Barnes, Peter W; Reimnitz, Erk
ISBN 10: 1288905920 ISBN 13: 9781288905928
Editore: Bibliogov, 2013
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Codice articolo ABLING22Oct2517050418372
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An examination of the distribution of river naleds seen in Landsat satellite imagery and high- and low-altitude aerial photography of Alaska's North Slope indicates that these features are widespread east of the Colville River and less abundant to the west. Where naleds occur, stream channels are wide and often form braided channels. Their distribution can be related to changes in stream gradient and to the occurrence of springs. Large naleds, such as on the Kongakut River, often remain through the summer melt season to form the nucleus of icing in the succeeding winter. Major naleds also are likely to significantly influence the nature of permafrost in their immediate vicinity. The map of naleds may serve as a guide to the occurrence of year-round flowing water, a sparse commodity in northern Alaska.
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Titolo: Distribution and Character of Naleds in ...
Casa editrice: Bibliogov
Data di pubblicazione: 2013
Legatura: Brossura
Condizione: New