the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Review article: The hydrology of debris-covered glaciers – state of the science and future research directions
Abstract. Debris-covered glaciers (DCGs) are characterised by distinct hydrological systems that differ fundamentally from those observed on clean-ice valley glaciers. To date, most studies of DCG hydrology have focused on supraglacial hydrology, given that surface streams are broadly accessible and repeat observations can lead to conceptual models of channel evolution. Few have characterised englacial conduits and their layout, and none have directly investigated potential subglacial drainage networks in any setting. In this review, we summarise the current state of knowledge relating to DCG hydrology with a global focus, and present our own field observations to illustrate the distinct nature of DCG landforms on a receding high-elevation glacier in the Himalaya. We draw on recent work that has gone some way towards providing a process-based understanding of the formation and evolution of englacial and subglacial hydrological pathways and consider the role that DCG hydrology plays in regulating water supplies to downstream communities, contrasting this information with clean-ice examples. We conclude by identifying important knowledge gaps that might be considered priorities for future research into DCG hydrology.
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Interactive discussion
- SC1: 'Suggestions', Franco Salerno, 30 Nov 2017
- RC1: 'Reviewer comment on Miles et al.', Anonymous Referee #1, 11 Dec 2017
- RC2: 'Review of ‘Review article: The hydrology of debris-covered glaciers - state of the science and future research directions'', Anonymous Referee #2, 02 Jan 2018
- AC1: 'Final Author Comment in response to referee comments', Katie Miles, 15 Feb 2018
Interactive discussion
- SC1: 'Suggestions', Franco Salerno, 30 Nov 2017
- RC1: 'Reviewer comment on Miles et al.', Anonymous Referee #1, 11 Dec 2017
- RC2: 'Review of ‘Review article: The hydrology of debris-covered glaciers - state of the science and future research directions'', Anonymous Referee #2, 02 Jan 2018
- AC1: 'Final Author Comment in response to referee comments', Katie Miles, 15 Feb 2018
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Cited
5 citations as recorded by crossref.
- Which heterogeneous glacier melting patterns can be robustly observed from space? A multi-scale assessment in southeastern Tibetan Plateau L. Ke et al. 10.1016/j.rse.2020.111777
- Spatio-temporal changes in the six major glaciers of the Chitral River basin (Hindukush Region of Pakistan) between 2001 and 2018 J. Gul et al. 10.1007/s11629-019-5728-9
- An integrated model for simulating melt-driven debris flow in a snow-dominated catchment W. Liu & S. He 10.1007/s10346-023-02174-9
- Glacial and geomorphic effects of a supraglacial lake drainage and outburst event, Everest region, Nepal Himalaya E. Miles et al. 10.5194/tc-12-3891-2018
- Supraglacial debris thickness variability: impact on ablation and relation to terrain properties L. Nicholson et al. 10.5194/tc-12-3719-2018