Last updated: 11/30/11


Data assimilation papers


D. Kondrashov, M. Ghil and Y. Shprits, (2011) (Revised, PDF file)

"Lognormal Kalman filter for assimilating phase-space density data in the radiation belts,"

Space Weather, 9, S11006, doi:10.1029/2011SW000726.


A. Carrassi, M. Ghil, A. Trevisan and F. Uboldi (2008) (revised, PDF file)

"Data assimilation as a nonlinear dynamical systems problem:
Stability and convergence of the prediction-assimilation system,

Chaos, 18, 023112, doi:10.1063/1.2909862.


Copyright (2008) American Institute of Physics. This article may be downloaded for personal use only.

Any other use requires prior permission of the author and the American Institute of Physics.
The following article appeared in Chaos 18, 023112 (2008); DOI:10.1063/1.2909862
and may be found at


D. Kondrashov, C. Sun, and M. Ghil (2008) (PDF file)

"Data Assimilation for a Coupled Ocean-Atmosphere Model.
Part II: Parameter Estimation,"

Mon. Wea. Rev., 136, 50625076, doi: 10.1175/2008MWR2544.1.


Y. Shprits, D. Kondrashov, Y. Chen, R. Thorne, M. Ghil,
R. Friedel, and G. Reeves (2007) (PDF file)

"Reanalysis of Relativistic Radiation Belt Electron Fluxes using
CRRES Satellite Data, a Radial Diffusion Model, and a Kalman Filter, "

J. Geophys. Res. 112, A12216, doi:10.1029/2007JA012579.


D. Kondrashov, Y. Shprits, M. Ghil and R. Thorne (2007) (revised, PDF file)

"A Kalman Filter Technique to Estimate Relativistic
Electron Lifetimes in the Outer Radiation Belt,"

J. Geophys. Res. (Space Physics), 112, A10227, doi:10.1029/2007JA012583.



A. T. Ihler, S. Kirshner, M. Ghil, A. W. Robertson, and P. Smyth (2007) (PDF file, link to Journal Website)

"Graphical models for statistical inference and data assimilation,"

Physica D, 230, 72--87.


T. M. Chin, M. J. Turmon, J. B. Jewell, and M. Ghil (2007) (PDF file)

"An ensemble-based smoother with retrospectively updated weights for highly nonlinear systems,"

Mon. Wea. Rev., 135(1), 186-202.


J. Kao, D. Flicker, K. Ide and M. Ghil (2006) (Final version, PDF file)

"Estimating model parameters for an impact-produced shock-wave simulation:
Optimal use of partial data with the extended Kalman filter,"

J. Comput. Phys.,214 (2), 725-737, doi: 10.1016/,
available at .


D. Kondrashov, K. Ide and M. Ghil (2004) (Revised version, PDF file+Movie)

" Weather Regimes and Preferred Transition Paths in a

Three-Level Quasi-Geostrophic Model ", J. Atmos. Sci., 61, 568-587.


D. Kondrashov, M. Ghil, K. Ide, and R. Todling, (2002) ( PDF file)

" Data Assimilation and Weather Regimes in a Three-Level Quasi-Geostrophic Model ,"

2002 AMS Symposium on Observations, Data Assimilation, and Probabilistic Prediction.


J. Kao, D. Flicker, R. Henninger, S. Frey, M. Ghil, and K. Ide (2004) (PDF files of Revised Text and Figures)

" Data assimilation with an extended Kalman filter
for impact-produced shock-wave dynamics,"

J. Comput. Phys.,196,705-723, doi:10.1016/


J. Kao, D. Flicker, R. Henninger, M. Ghil, and K. Ide (2003) ( PDF file)

" Using the extended Kalman filter for data assimilation and
uncertainty quantification in shock-wave dynamics,"

in 4th International Symposium on Uncertainty Modeling and Analysis,
B. M. Ayyub and N. O. Attoh-Okine (Eds.), College Park, Maryland,
21-24 Sept. 2003, IEEE Computer Society Pub., 398-407


C. Sun, Z. Hao, M. Ghil and D. Neelin, Revised version (2001)

PDF file of Text with Figures

"Data Assimilation for a Coupled Ocean-Atmospheric Model. Part I: Sequential State Estimation," Mon. Wea. Rev., 130, 1073-1099


K. Ide, P. Courtier, M. Ghil and A. Lorenc (1997) (PDF file)

"Unified notation for data assimilation: Operational, sequential and variational."

J. Met. Soc. Japan, 75 (1B), 181-189

(Special Issue on Data Assimilation in Meteorology and Oceanography).


Ghil, M., S. Cohn, J. Tavantzis, K. Bube, and E. Isaacson (1981) (PDF file)

"Applications of estimation theory to numerical weather prediction," in

Dynamic Meteorology: Data Assimilation Methods, 75 (1B), 181-189

L. Bengtsson, M. Ghil and E. Källén (Eds.), Springer Verlag, pp. 139-224.


Ghil, M., and and P. Malanotte-Rizzoli (1991) (PDF file)

"Data assimilation in meteorology and oceanography", Adv. Geophys., 33, 141-266.


M. Ghil (1989) (PDF file)

"Meteorological data assimilation for oceanographers. Part I: Description and Theoretical
Framework," Dyn. Atmos. Oceans., 13, 171-218