𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Correlated observation errors in data assimilation

✍ Scribed by L. M. Stewart; S. L. Dance; N. K. Nichols


Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
101 KB
Volume
56
Category
Article
ISSN
0271-2091

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Observation errors in all-sky data assim
✍ Alan J. Geer; Peter Bauer πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 980 KB

## Abstract This article examines the first‐guess (FG) departures of microwave imager radiances assimilated in all‐sky conditions (i.e. clear, cloudy and precipitating). Agreement between FG and observations is good in clear skies, with error standard deviations around 2 K, but in heavy cloud or pr

Spectral and spatial localization of bac
✍ Mark Buehner; Martin Charron πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 485 KB

## Abstract In this study, the localization of background‐error correlations in both the spectral and the spatial domains is examined. While spatial localization has become a standard approach for reducing the sampling error of background‐error correlations, localization of spectral correlations ha

Adaptive observations in ensemble data a
✍ Bahri Uzunoglu πŸ“‚ Article πŸ“… 2007 πŸ› Elsevier Science 🌐 English βš– 881 KB

An important question in ensemble based data assimilation scheme is how to configure our observations to correctly capture the important features in either our atmospheric or oceanic models given a set of ensembles. In this paper a systematic approach for effective sensor placement is formulated to

Correlations of control variables in var
✍ D. Katz; A. S. Lawless; N. K. Nichols; M. J. P. Cullen; R. N. Bannister πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 244 KB

## Abstract Variational data assimilation systems for numerical weather prediction rely on a transformation of model variables to a set of control variables that are assumed to be uncorrelated. Most implementations of this transformation are based on the assumption that the balanced part of the flo