Articles | Volume 15, issue 5
The Cryosphere, 15, 2315–2331, 2021
https://doi.org/10.5194/tc-15-2315-2021
The Cryosphere, 15, 2315–2331, 2021
https://doi.org/10.5194/tc-15-2315-2021
Research article
18 May 2021
Research article | 18 May 2021

Hourly surface meltwater routing for a Greenlandic supraglacial catchment across hillslopes and through a dense topological channel network

Colin J. Gleason et al.

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Latest update: 28 Sep 2022
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Short summary
We apply first-principle hydrology models designed for global river routing to route flows hourly through 10 000 individual supraglacial channels in Greenland. Our results uniquely show the role of process controls (network density, hillslope flow, channel friction) on routed meltwater. We also confirm earlier suggestions that large channels do not dewater overnight despite the shutdown of runoff and surface mass balance runoff being mistimed and overproducing runoff, as validated in situ.