Thickness of ice on perennially frozen lakes
- 1 February 1985
- journal article
- letter
- Published by Springer Nature in Nature
- Vol. 313 (6003) , 561-562
- https://doi.org/10.1038/313561a0
Abstract
The dry valleys of southern Victoria Land, constituting the largest ice-free expanse in the Antarctic, contain numerous lakes whose perennial ice cover is the cause of some unique physical and biological properties1–3. Although the depth, temperature and salinity of the liquid water varies considerably from lake to lake, the thickness of the ice cover is remarkably consistent1, ranging from 3.5 to 6m, which is determined primarily by the balance between conduction of energy out of the ice and the release of latent heat at the ice–water interface and is also affected by the transmission and absorption of sunlight. In the steady state, the release of latent heat at the ice bottom is controlled by ablation from the ice surface. Here we present a simple energy-balance model, using the measured ablation rate of 30 cm yr−1, which can explain the observed ice thickness.Keywords
This publication has 20 references indexed in Scilit:
- Distribution, species composition and morphology of algal mats in Antarctic dry valley lakesPhycologia, 1983
- Comparative ecology of plankton communities in seven Antarctic oasis lakesJournal of Plankton Research, 1982
- Polar atmosphere-ice-ocean processes: A review of polar problems in climate researchReviews of Geophysics, 1980
- Some aspects of the ice topography of Trough Lake, southern Victoria Land, Antarctica (Note)New Zealand Journal of Geology and Geophysics, 1979
- Ground temperatures in an Antarctic dry valleyNew Zealand Journal of Geology and Geophysics, 1971
- Lake Miers, South Victoria Land, AntarcticaNew Zealand Journal of Geology and Geophysics, 1967
- An Ablation Rate for Lake Fryxell, Victoria Land, AntarcticaJournal of Glaciology, 1966
- Growth and Decay of Lake Ice in the Vicinity of Schefferville (Knob Lake), QuebecARCTIC, 1965
- THE HEAT BALANCE OF TWO ANTARCTIC LAKES1Limnology and Oceanography, 1964
- Lake Vanda: An Antarctic Lake: Lake Vanda as a Solar Energy TrapNature, 1962