PAPERS on BDAS-AUS
(Breeding on the Data Assimilation System - Assimilation in the Unstable Subspace)
F. Uboldi and A. Trevisan, 2015.
Multiple-scale error growth in a convection-resolving model. Nonlinear Processes in Geophysics, 22, 1-13, doi: 10.5194/npg-22-1-2015
Luigi Palatella, Alberto Carrassi and Anna Trevisan, 2013.
Lyapunov vectors and assimilation in the unstable subspace: theory and applications. Journal of Physics A: Mathematical and Theoretical, 46, 254020.
Anna Trevisan and Luigi Palatella, 2011.
Chaos and weather forecasting: the role of the unstable subspace
in predictability and state estimation problems. International Journal of Bifurcation and Chaos, 21, 3389-3415.
A. Trevisan and L. Palatella, 2011.
On the Kalman Filter error covariance collapse into the unstable subspace. Nonlinear Processes in Geophysics, 18, 243-250.
A. Trevisan, M. D'Isidoro and O. Talagrand, 2010.
Four-dimensional variational assimilation in the unstable subspace and
the optimal subspace dimension. Quarterly Journal of the Royal Meteorological Society, 136, 487-496.
A. Carrassi, L. Descamps, O. Talagrand, A. Trevisan and F. Uboldi, 2008.
Controlling instabilities along a 3DVar analysis cycle by assimilating in the
unstable subspace: a comparison with the EnKF. Nonlinear Processes in Geophysics, 15, 503-521.
A. Carrassi, M. Ghil, A. Trevisan and F. Uboldi, 2008.
Data assimilation as a nonlinear dynamical systems problem: Stability and
convergence of the prediction-assimilation system. Chaos, 18, 023112. DOI: 10.1063/1.2909862
A. Carrassi, A. Trevisan and F. Uboldi, 2007.
Adaptive observations and assimilation in the unstable subspace by breeding on
the data-assimilation system. Tellus, 59A, 101-113.
F. Uboldi and A. Trevisan, 2006.
Detecting unstable structures and controlling error growth by assimilation of
standard and targeted observations in a primitive equation ocean model. Nonlinear Processes in Geophysics, 13, 67-81.
F. Uboldi, A. Carrassi and A. Trevisan, 2005.
Developments of a dynamically consistent targeting and assimilation method. POSTER
at the fourth WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography.
Prague, Czech Republic, 18-22 April 2005
F. Uboldi, A. Trevisan and A. Carrassi, 2005.
Developing a dynamically based assimilation method for targeted and standard
observations. Nonlinear Processes in Geophysics, 12, 149-156.
A. Trevisan and F. Uboldi, 2004.
Assimilation of standard and targeted observations in the unstable subspace of
the observation-analysis-forecast cycle system. Journal of the Atmospheric Sciences, 61, 103-113.