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- Title
A short-term field experiment on sub-debris melt at the highly maritime Franz Josef Glacier, Southern Alps, New Zealand.
- Authors
Hagg, Wilfried; Brook, Martin; Mayer, Christoph; Winkler, Stefan
- Abstract
Melting of glacier ice underneath moraine cover is controlled by energy transfer through the debris. The effective heat conduction through a 24-cm-thick debris layer on Franz Josef Glacier in the Southern Alps of New Zealand was observed by thermistors over eight days. Melt rates were calculated assuming that conductive heat flux is the only energy source. Although heavy precipitation occurred on one day during the experiment, the observed total melt agreed well with calculated values for dry conditions. This suggests that even in this highly maritime environment, additional energy provided by percolating rain is of only minor importance for sub-debris melt.
- Subjects
FRANZ Josef Glacier/Ka Roimata o Hine Hukatere (N.Z.); HEAT flux measurement; METEOROLOGICAL precipitation; TERRITORIAL waters; MARINE debris; PERCOLATION
- Publication
Journal of Hydrology (00221708), 2014, Vol 53, Issue 2, p153
- ISSN
0022-1708
- Publication type
Article