effect of horizontal resolution on simulation of very extreme US precipitation events in a global atmosphere model
We investigate the ability of a global atmospheric general circulation model (AGCM) to reproduce observed 20 year return values of the annual maximum daily precipitation totals over the continental United States as a function of horizontal resolution. We find that at the high resolutions enabled by...
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| Veröffentlicht in: | Climate dynamics 2010-02, Vol.34 (2-3), p.241-247 |
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| container_title | Climate dynamics |
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| creator | Wehner, Michael F Smith, Richard L Bala, G Duffy, Phillip |
| description | We investigate the ability of a global atmospheric general circulation model (AGCM) to reproduce observed 20 year return values of the annual maximum daily precipitation totals over the continental United States as a function of horizontal resolution. We find that at the high resolutions enabled by contemporary supercomputers, the AGCM can produce values of comparable magnitude to high quality observations. However, at the resolutions typical of the coupled general circulation models used in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, the precipitation return values are severely underestimated. |
| doi_str_mv | 10.1007/s00382-009-0656-y |
| format | Article |
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| language | eng |
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| subjects | Atmospheric circulation Climate change Climate science Climatology Earth and Environmental Science Earth Sciences General circulation models Geophysics/Geodesy Intergovernmental Panel on Climate Change Ocean-atmosphere interaction Oceanography Precipitation |
| title | effect of horizontal resolution on simulation of very extreme US precipitation events in a global atmosphere model |
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