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Greenhouse gases

Climate model scenarios Les scénarios des modèles climatiques

1 Dec 2004 by Gavin

A couple of commentators (Pat Michaels, Roy Spencer) recently raised an issue about the standard scenarios used to compare climate models, in this case related to a study on the potential increase in hurricane activity.

The biggest uncertainty in what will happen to climate in the future (say 30 years or more) is the course that the global economy will take and the changes in technology that may accompany that. Since climate scientists certainly don’t have a crystal ball, we generally take a range of scenarios or projections of future emissions of CO2 and other important forcings such as methane and aerosols.
Quelques commentateurs (Pat Michaels, Roy Spencer) ont récemment relancé une question au sujet des scénarios standard utilisés pour comparer les modèles climatiques, dans ce cas relié à une étude sur l’augmentation potentielle de l’activité des ouragans.
La plus grande incertitude dans ce qui va se passer pour le climat du futur (dans 30 ans ou plus) est le cours que va suivre l’économie globale et les changements technologiques qui peuvent l’accompagner. Puisque les climatologues n’ont certainement pas une boule de cristal, nous considérons généralement une gamme de scénarios ou de projections des émissions futures de CO 2 et d’autres forçages importants comme le méthane et les aérosols.

[Read more…] about Climate model scenarios Les scénarios des modèles climatiques

Filed Under: Climate modelling, Climate Science, Greenhouse gases, IPCC

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