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Controlling instabilities along a 3DVar analysis cycle by assimilating in the unstable subspace:a comparison with the EnKF
Controlling instabilities 3DVar analysis cycle unstable subspace EnKF
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2009/11/2
A hybrid scheme obtained by combining 3DVar with the Assimilation in the Unstable Subspace (3DVar-AUS) is tested in a QG model, under perfect model conditions, with a fixed observational network, with...
3DVAR assimilation of SSM/I data over the sea for the IOP2b MAP case
3DVAR assimilation SSM/I data the sea the IOP2b MAP case
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2010/1/22
Data assimilation by 3DVAR of data from the Special Sensor Microwave/Imager (SSM/I) has been performed to study the IOP2b case (19-21 September 1999) of the Mesoscale Alpine Programme (MAP). Only data...
Simulations of deep convection in the Mediterranean area using 3DVAR of conventional and non-conventional data
deep convection the Mediterranean area 3DVAR conventional and non-conventional data
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2010/1/22
In autumn deep convection in the Mediterranean region is a common phenomenon. The local events characterized by deep convection are still a difficult task even for high resolution numerical weather pr...