Global Climate Change: Past and Future
My presentation will begin with a review of the now-solid evidence for a human influence on the climate of recent decades. Such evidence includes instrumental measurements available for the past two
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My presentation will begin with a review of the now-solid evidence for a human influence on the climate of recent decades. Such evidence includes instrumental measurements available for the past two
Data show that climate has always changed in the past, sometimes with a larger amplitude than what we experimented for two decades. But the main signatures of the anthopogenic forcing are the speed of
Complex climate models that describe the evolution of the coupled ocean atmosphere cryosphere system are gradually extended to “non physical” components of the earth system, and account for land
Global coupled ocean-atmosphere models, driven by greenhouse gas concentrations according to several hypotheses for the next century, have been used in the last IPCC-AR4 report to depict possible
We shall address the coupling between atmospheric circulation and the modelling of ecosystems, to have a better understanding of the carbon cycle, perturbed both by land use and Climate Change. The
The 2007 Intergovernmental Panel on Climate Change (IPCC) report provides clear guidance for the greenhouse gas emissions reductions needed to limit global warming to specific targets such as 2 °C
The presentation will focus on the interplay between economic scenarios (based on energy demand and CO2 emission reduction) with long run-public policies. The French case will be discussed in more
The European Science Foundation (ESF) and the French Foundation of the Maison des Sciences de l’Homme (FMSH) (within the Entre-Sciences programme) have agreed to jointly develop a new conference
The previous interglacial (Marine isotope stage 5e, peaking at 125 kyr BP) is usually assumed to be a good analogue for our present-day climate. Moreover, as our present interglacial, the Holocene, is
In order to investigate factors involved in the inter-annual variability of d180 in tree ring cellulose (d18OTRC), we simulated the d18OTRC from 1960 to 2001 over Europe. We used 1) simulated climate
Projections of future climate change rely on global climate models. Such models simulate the dynamics and physics of the coupled atmosphere-ocean system and move towards models of the full Earth
The presentation will focus on scientific issues of importance to global change and climate change research: interactions of reactive trace and greenhouse gases between the biosphere and atmosphere in