Articles | Volume 20, issue 7
https://doi.org/10.5194/hess-20-2947-2016
https://doi.org/10.5194/hess-20-2947-2016
Research article
 | 
21 Jul 2016
Research article |  | 21 Jul 2016

Morphological dynamics of an englacial channel

Geir Vatne and Tristram D. L. Irvine-Fynn

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Short summary
Ten years of direct observations of an englacial conduit in a cold based glacier in Svalbard document for the first time how a vertical meltwater waterfall (moulin) is formed from gradual incision of a meltwater channel. This evolution appears to be dominated by knickpoints that incise upstream at rates several times faster than the vertical incision in adjacent near horizontal channel sections.