The effect of transient conditions on an equilibrium permafrost-climate model

Papers in honour of the 90th birthday of Professor emeritus J. Ross Mackay. Special issue

Auteurs :
RISEBOROUGH, D.
LEWKOWICZ, A.G.

Description :
With a variable or changing climate, short-term energy imbalances between the active layer and permafrost result in transient departures from the equilibrium condition. This study examines the effects of such variability on an equilibrium permafrost-climate model, the temperature at the top of permafrost (TTOP) model. In the presence of a warming trend, the equilibrium model prediction tracked the changing top-of-permafrost temperature until permafrost temperatures reached 0°C, after which the equilibrium model produced significant errors.


Type de document :
Article de monographie

Source :
Permafrost and periglacial processes, issn : 1045-6740, 2007, vol. 18, n°. 1, p. 21-32, nombre de pages : 12, Collation : Illustration, Références bibliographiques : 20 ref.

Date :
2007

Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley