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Lundi 14 Septembre - Wind waves in a variable and changing climate

Par semsou — Dernière modification 02/09/2015 10:12
Quand ? Le 14/09/2015,
de 11:00 à 12:00
Où ? Salle Coriolis
Participants Mark Hemer, CSIRO Oceans and Atmosphere Flagship, Hobart, TAS, Australia
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Mark Hemer, CSIRO Oceans and Atmosphere Flagship, Hobart, TAS, Australia


Titre: Wind waves in a variable and changing climate

Résumé: The Coordinated Ocean Wave Climate Project (COWCLIP) was established in 2011 within the Joint Commission of Oceanography and Marine Meteorology (JCOMM) Sessional Workplan, with the aim to raise the profile of wind-waves as a variable in the global climate system, both to identify regions at risk of future changes in wave climate and evaluate the confidence of the community developed projected changes to global wave characteristics, and investigate the influence of waves in the coupled ocean-atmosphere climate system.

In the initial phase of COWCLIP, an ‘ensemble of opportunity’ of wave climate projection studies was compiled in order to provide the first community derived projections of global wave climate change under future 21st Century greenhouse gas emission scenarios. Considerable variance was identified between the studies in the ensemble, but the sample space was insufficiently sampled across the potential sources of variance to identify which components – emission scenario, GCM forcing, or wave field methodology – dominated.

The second phase of COWCLIP has now commenced, and this designed experiment aims to overcome the shortcomings of the initial phase. Some preliminary results of the second phase will be presented.

 


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