7 datasets found

Cette these presente l'evolution temporelle des concentrations en metaux lourds (pb, cd, zn et cu) mesurees dans les neiges de Summit (Groenland central) deposées...

Biomass burning plays a pivotaI role on atmospheric chemistry by serving as a source of many important trace gases such as reactive compounds (CO, hydrocarbons,...

The earth's climatic system consists in several components which strongly interact (atmosphere, ice sheets, oceans, lithosphere and biosphere). Numerical modelling is...

Polar ice core provide a unique way to obtain informations allowed a better understanding on change in the biogeochemical cycles during the past. If the study of...

The variations of the metabolism of the glaciers and the polar ice sheets reflect the climate fluctuations. On the yearly time scale, these fluctuations result in...

The Greenland ice sheet represents a potential sea level rise contribution of 7.3 meters. When drastic changes are recently observed, multi-centennal futur projections...

The ice flows by plastic deformation under gravity, and by sliding over the bedrock, when local temperature is close to the melting point. Mechanical test in...