Tolerance.ca
Directeur / Éditeur: Victor Teboul, Ph.D.
Regard sur nous et ouverture sur le monde
Indépendant et neutre par rapport à toute orientation politique ou religieuse, Tolerance.ca® vise à promouvoir les grands principes démocratiques sur lesquels repose la tolérance.

The Greenland ice sheet is falling apart – new study

(Version anglaise seulement)
par Tom Chudley, Leverhulme Early Career Fellow, Department of Geography, Durham University
Observing Greenland from a helicopter, the main problem is one of comprehending scale. I have thought we were skimming low over the waves of a fjord, before noticing the tiny shadow of a seabird far below and realising what I suspected were floating shards of ice were in fact icebergs the size of office blocks. I have thought we were hovering high in the sky over a featureless icy plane below, before bumping down gently onto ice only a few metres below us.

Crevasses – cracks in the surface of glaciers – are the epitome of this baffling range of scales. Formed by stresses at the surface,…The Conversation


Lire l'article complet

© La Conversation -
Abonnez-vous à Tolerance.ca


Suivez-nous sur ...
Facebook Twitter