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| Titel |
Flux correction and the simulation of changing climate |
| VerfasserIn |
Edwin K. Schneider |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 14, no. 3 ; Nr. 14, no. 3, S.336-341 |
| Datensatznummer |
250012214
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| Publikation (Nr.) |
 copernicus.org/angeo-14-336-1996.pdf |
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| Zusammenfassung |
| A flaw is pointed out in the manner in which
flux correction is currently applied to coupled atmosphere-ocean general
circulation models. If a transient climate simulation were carried out using
perfect initial data and a perfect model, then a perfect simulation would be
made. However, if the model were flux corrected so that it is in equilibrium for
current conditions, according to current practice, then errors in the simulation
would grow initially to a finite amplitude and persist indefinitely. Larger
errors would be produced by a simulation with the flux corrected model beginning
from pre-industrial conditions than by a simulation beginning from current
conditions. An example with a simple linear model is constructed to illustrate
this point, and the relationship to the cold start problem is demonstrated. An
optimal flux correction for the simple example is shown to be one which would
eliminate the error in the current climate from a transient simulation begun
sufficiently far in the past. |
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