Articles | Volume 13, issue 3
The Cryosphere, 13, 1051–1071, 2019
https://doi.org/10.5194/tc-13-1051-2019
The Cryosphere, 13, 1051–1071, 2019
https://doi.org/10.5194/tc-13-1051-2019
Research article
02 Apr 2019
Research article | 02 Apr 2019

A multi-season investigation of glacier surface roughness lengths through in situ and remote observation

Noel Fitzpatrick et al.

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Latest update: 04 Dec 2022
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Short summary
Measurements of surface roughness are rare on glaciers, despite being an important control for heat exchange with the atmosphere and surface melt. In this study, roughness values were determined through measurements at multiple locations and seasons and found to vary across glacier surfaces and to differ from commonly assumed values in melt models. Two new methods that remotely determine roughness from digital elevation models returned good performance and may facilitate improved melt modelling.