A methodology for forming components of the linear model in 4D‐Var with application to the marine boundary layer

A methodology for forming components of the linear model in 4D‐Var with application to the marine boundary layer

We show how large numbers of parameters used in the linear model in 4D‐Var may efficiently be optimised according to suitable criteria. We apply this to the linear model representation of boundary layer processes over sea, to obtain significant reductions in linearisation and forecast error. Crown C...

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Veröffentlicht in:Atmospheric science letters 2009-10, Vol.10 (4), p.255-261
1. Verfasser: Payne, Tim
Format: Artikel
Sprache:eng
Schlagworte:
Boundary layers
Data assimilation
Forecast errors
four dimensional variational data assimilation
linear model
physical processes
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Zusammenfassung:We show how large numbers of parameters used in the linear model in 4D‐Var may efficiently be optimised according to suitable criteria. We apply this to the linear model representation of boundary layer processes over sea, to obtain significant reductions in linearisation and forecast error. Crown Copyright © 2009 Royal Meteorological Society
ISSN:1530-261X
1530-261X
DOI:10.1002/asl.234