net ablation

См. также в других словарях:

• Ablation — is defined as the removal of material from the surface of an object by vaporization, chipping, or other erosive processes. The term occurs in space physics associated with atmospheric reentry, in glaciology, medicine and passive fire… …   Wikipedia

• ablation —   the net loss of water from a glacier through melting, calving, evaporation, sublimation or wind transport. Is dominant to accumulation over space and time when the glacier enters warmer conditions …   Geography glossary

• Little Ice Age — The reconstructed depth of the Little Ice Age varies between different studies (anomalies shown are from the 1950–80 reference period). The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period (Medieval… …   Wikipedia

• glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …   Universalium

• Glacier mass balance — See also Retreat of glaciers since 1850 Crucial to the survival of a glacier is its mass balance, the difference between accumulation and ablation (melting and sublimation). Climate change may cause variations in both temperature and snowfall,… …   Wikipedia

• Glacier — This article is about the geological formation. For other uses, see Glacier (disambiguation). The Baltoro Glacier in the Karakoram, Kashmir, Northern Pakistan. At 62 kilometres (39 mi) in length, it is one of the longest alpine glaciers on… …   Wikipedia

• GLACIERS — Le mot glacier, comme la plupart de ses équivalents étrangers, a deux sens. Il désigne une masse de glace d’un seul tenant, permanente à l’échelle d’une vie humaine, avec le névé et la neige qui la recouvrent en partie, et les moraines mouvantes… …   Encyclopédie Universelle

• Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

• ÉROSION — Les articles relatifs à l’érosion mettent en général l’accent sur l’inventaire des agents de l’érosion et sur la description des mécanismes qui en règlent l’intensité. Un de leurs objectifs essentiels est de montrer comment l’érosion constitue un …   Encyclopédie Universelle

• Pyrolysis — is the chemical decomposition of organic materials by heating in the absence of oxygen or any other reagents, except possibly steam.It is used in chemical analysis to break down complex matter into simpler molecules for identification, for… …   Wikipedia

• TEMPÉRÉ (DOMAINE) — Comme l’indique sans ambiguïté le sens courant de l’adjectif, un climat tempéré est celui où l’on observe un rythme thermique annuel qui reste modéré: les températures moyennes de l’été ne dépassent guère 25 0C et, surtout, celles de l’hiver… …   Encyclopédie Universelle