Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6003
pubmed:dateCreated
1996-12-16
pubmed:abstractText
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 properties. Although the depth, temperature and salinity of the liquid water varies considerably from lake to lake, the thickness of the ice cover is remarkably consistent, ranging from 3.5 to 6 m, 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.
pubmed:keyword
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
S
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0028-0836
pubmed:author
pubmed:issnType
Print
pubmed:day
14
pubmed:volume
313
pubmed:owner
NASA
pubmed:authorsComplete
Y
pubmed:pagination
561-2
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Thickness of ice on perennially frozen lakes.
pubmed:affiliation
Solar System Exploration Office, NASA-Ames Research Center, Moffett Field, California 94035, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S.