Beyond Gaussian Statistical Modeling in Geophysical Data Assimilation in: Monthly
Weather Review Volume 138 Issue 8 (2010) Jump to Content Jump to Main Navigation …

Three- and Four-Dimensional Variational Assimilation with a General Circulation Model of the
Tropical Pacific Ocean. Part I: Formulation, Internal Diagnostics, and Consistency Checks in …

Extension of 3DVAR to 4DVAR: Implementation of 4DVAR at the Meteorological Service of
Canada in: Monthly Weather Review Volume 135 Issue 6 (2007) Jump to Content Logo Logo …

Transfer function of the digital filter as a function of period. The time step is 900 s, the time
span, 6 h: the cutoff period is 6 h for a Dolph window (dashed line) while the pass-band …

This self-contained book presents interdisciplinary methods for integrating experimental and
computational information in many scientific and engineering areas. It explains how to …

We investigate the convergence of incremental four‐dimensional variational data
assimilation (4D‐Var) when an approximation to the tangent linear model is used within the …

Since its operational implementation at European Centre for Medium-Range Weather
Forecasts, the incremental fourdimensional variational data assimilation system (4D-Var) …

Four‐dimensional variational data assimilation (4D‐Var) combines the information from a
time sequence of observations with the model dynamics and a background state to produce …

This work describes the extension of the Global Modeling and Assimilation Office (GMAO)
observing system simulation experiment (OSSE) framework to use a hybrid four-dimensional …

Summary¶ The status and progress of the four-dimensional variational data assimilation
(4DVAR) are briefly reviewed focusing on application to prediction of mesoscale/storm-scale …