Roughness of a subglacial conduit under Hansbreen, Svalbard

• Published in: Journal of Glaciology
• Main Authors: MANKOFF, KENNETH D., GULLEY, JASON D., TULACZYK, SLAWEK M., COVINGTON, MATTHEW D., LIU, XIAOFENG, CHEN, YUNXIANG, BENN, DOUGLAS I., GŁOWACKI, PIOTR S.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 2017
• Subjects: Svalbard; Hansbreen; Journal of Glaciology
• Online Access: http://dx.doi.org/10.1017/jog.2016.134; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143016001349

ABSTRACT Hydraulic roughness exerts an important but poorly understood control on water pressure in subglacial conduits. Where relative roughness values are <5%, hydraulic roughness can be related to relative roughness using empirically-derived equations such as the Colebrook–White equation. Gene...