A fast converging and concise algorithm for computing the departure points in semi‐Lagrangian weather and climate models

Accurate calculation of departure points is crucial for the overall accuracy of a semi‐Lagrangian advection scheme. The iterative method used in the semi‐Lagrangian advection scheme of the ECMWF model IFS (Integrated Forecast System) is based on SETTLS (Stable Extrapolation Two‐Time‐Level Scheme). T...

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Veröffentlicht in:	Quarterly journal of the Royal Meteorological Society 2022-01, Vol.148 (743), p.670-684
Hauptverfasser:	Diamantakis, Michail, Váňa, Filip
Format:	Artikel
Sprache:	eng
Schlagworte:	Advection advection scheme Approximation Climate models IFS Lagrangian trajectories Mathematics Polar regions SETTLS
Online-Zugang:	Volltext
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