4DVAR

(redirected from Four-Dimensional Variational Data Assimilation)
AcronymDefinition
4DVARFour-Dimensional Variational Data Assimilation
References in periodicals archive ?
Sartenaer, Limited-memory preconditioners, with application to incremental four-dimensional variational data assimilation, Q.
Wang et al., "An economical approach to four-dimensional variational data assimilation," Advances in Atmospheric Sciences, vol.
(2004) used the ECMWF global analysis and forecast system [T-159 (~120 km) four-dimensional variational data assimilation (4D-Var) analysis and T-511 (~40 km) forecast model] with data from August to September 2002 and December 2002 to January 2003.
Wang, 2008: An ensemble-based four-dimensional variational data assimilation scheme.
A few groups have developed four-dimensional variational data assimilation (4D-Var) systems for global coupled atmosphere-ocean simulations.
The hourly nowcast NWP cycle used for the 2012 Olympic Games was the culmination of many years' work under the NDP in developing a four-dimensional variational data assimilation (4D-Var) configuration (Rawlins et al.