Four-dimensional variational data assimilation for a limited area model

Four-dimensional variational data assimilation for a limited area model

A 4-dimensional variational data assimilation (4D-Var) scheme for the HIgh Resolution Limited Area Model (HIRLAM) forecasting system is described in this article. The innovative approaches to the multi-incremental formulation, the weak digital filter constraint and the semi-Lagrangian time integrati...

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Bibliographic Details
Main Authors: Sigurdur Thorsteinsson, Tomas Wilhelmsson, Ole Vignes, Magnus Lindskog, Kristian Mogensen, Xiaohua Yang, Xiang-Yu Huang, Nils Gustafsson
Format: Article
Language:English
Published: Stockholm University Press 2012-02-01
Series:Tellus: Series A, Dynamic Meteorology and Oceanography
Subjects:
data assimilation
analysis
numerical weather prediction
Online Access:http://www.tellusa.net/index.php/tellusa/article/view/14985/pdf_1

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