Structure of characteristic Lyapunov vectors in spatiotemporal chaos
We study Lyapunov vectors (LVs) corresponding to the largest Lyapunov exponents in
systems with spatiotemporal chaos. We focus on characteristic LVs and compare the results …
systems with spatiotemporal chaos. We focus on characteristic LVs and compare the results …
Spatio-temporal evolution of perturbations in ensembles initialized by bred, Lyapunov and singular vectors
We study the evolution of finite perturbations in the Lorenz '96 model, a meteorological toy
model of the atmosphere. The initial perturbations are chosen to be aligned along different …
model of the atmosphere. The initial perturbations are chosen to be aligned along different …
Logarithmic bred vectors in spatiotemporal chaos: Structure and growth
Bred vectors are a type of finite perturbation used in prediction studies of atmospheric
models that exhibit spatially extended chaos. We study the structure, spatial correlations …
models that exhibit spatially extended chaos. We study the structure, spatial correlations …
On the problem of data assimilation by means of synchronization
IG Szendro, MA Rodríguez… - Journal of Geophysical …, 2009 - Wiley Online Library
The potential use of synchronization as a method for data assimilation is investigated in a
Lorenz96 model. Data representing the reality are obtained from a Lorenz96 model with …
Lorenz96 model. Data representing the reality are obtained from a Lorenz96 model with …
Error Growth Patterns in Systems with Spatial Chaos:<? format?> From Coupled Map Lattices to Global Weather Models
Error growth in spatiotemporal chaotic systems is investigated by analyzing the interplay
between temporal and spatial dynamics. The spatial correlation and localization of relative …
between temporal and spatial dynamics. The spatial correlation and localization of relative …
Structure of characteristic Lyapunov vectors in anharmonic Hamiltonian lattices
In this work we perform a detailed study of the scaling properties of Lyapunov vectors (LVs)
for two different one-dimensional Hamiltonian lattices: the Fermi-Pasta-Ulam and Φ 4 …
for two different one-dimensional Hamiltonian lattices: the Fermi-Pasta-Ulam and Φ 4 …
Tailored ensemble prediction systems: Application of seamless scale bred vectors
Uncertainty in numerical weather forecasts arising from an imperfect knowledge of the initial
condition of the atmospheric system and the discrete modeling of physical processes is …
condition of the atmospheric system and the discrete modeling of physical processes is …
Dynamic scaling of bred vectors in spatially extended chaotic systems
C Primo, IG Szendro, MA Rodríguez… - Europhysics …, 2006 - iopscience.iop.org
We unfold a profound relationship between the dynamics of finite-size perturbations in
spatially extended chaotic systems and the universality class of Kardar-Parisi-Zhang (KPZ) …
spatially extended chaotic systems and the universality class of Kardar-Parisi-Zhang (KPZ) …
On finite-size Lyapunov exponents in multiscale systems
L Mitchell, GA Gottwald - Chaos: An Interdisciplinary Journal of …, 2012 - pubs.aip.org
We study the effect of regime switches on finite size Lyapunov exponents (FSLEs) in
determining the error growth rates and predictability of multiscale systems. We consider a …
determining the error growth rates and predictability of multiscale systems. We consider a …
[HTML][HTML] Maximizing the statistical diversity of an ensemble of bred vectors by using the geometric norm
D Pazó, MA Rodríguez… - Journal of the Atmospheric …, 2011 - journals.ametsoc.org
It is shown that the choice of the norm has a great impact on the construction of ensembles
of bred vectors. The geometric norm maximizes (in comparison with other norms such as the …
of bred vectors. The geometric norm maximizes (in comparison with other norms such as the …