References and thanks:
Ott, Hunt, Szunyogh, Zimin, Kostelich, Corazza, Kalnay, Patil, Yorke,
2003: Local Ensemble Kalman Filtering, MWR, under review.
Patil, Hunt, Kalnay, Yorke and Ott, 2001: Local low-dimensionality of
atmospheric dynamics, PRL.
Corazza, Kalnay, Patil, Yang, Hunt, Szunyogh, Yorke, 2003: Relationship
between bred vectors and the errors of the day. NPG.
Hunt et al, 2003: 4DEnKF. Submitted to Tellus.
-----Coupled systems-----
Cai, Kalnay, and Toth, 2003: Bred Vectors of the Zebiak-Cane Model and
their Application to ENSO Predictions.  J. Climate, 16, 40-56.
Yang et al 2003: Bred vectors in the NASA coupled ocean-atmosphere
system. EGS.
Pena and Kalnay, 2003: Separating fast and slow modes in coupled
chaotic systems. Submitted to Nonlinear Proc. in Physics
Kalnay, 2003: Atmospheric modeling, data assimilation and predictability,
Cambridge University Press, 341 pp.