Presentations

Alain Caya 2005: [pdf]

Evaluation of an Ensemble Kalman Filter for WRF against a 3D-Var Assimilation System.

Tim Hoar 2004: [pdf]

An Operational-Quality Ensemble Assimilation System for NCAR's CAM Climate Model.

Publications

2004

Anderson, J. L., 2004: [pdf]

A hierarchical ensemble filter for data assimilation. Monthly Weather Review, submitted.

Anderson, J. L. , 2004: [pdf]

A scalable least squares implementation of ensemble (Kalman) filters. J. Atmos. Ocean Technology-A, submitted.

Anderson, J. L., B. Wyman, S. Zhang and T. Hoar , 2004: [pdf]

Assimilation of surface pressure observations using an ensemble filter in an idealized global atmospheric prediction system. J. Atmos. Sci., submitted.

Bengtsson, T., C. Snyder, and D. Nychka, 2004:

Toward a nonlinear ensemble filter for high dimensional systems. J. Geophys. Res., accepted.

Zhang, F., C. Snyder, and J. Sun, 2004:

Impacts of initial estimate and observation availability on convective-scale data assimilation with an ensemble Kalman filter. Monthly Weather Review, 132, 1238-1253.

Tribbia, J. J., and D. P. Baumhefner, 2004:

Scale interactions and atmospheric predictablility: An updated perspective. Monthly Weather Review, 132, 703-713.

2003

Anderson, J. L.,, 2003:

A local least squares framework for ensemble filtering. Monthly Weather Review, 131, 634-642.

Tippett, M. K., J. L. Anderson, C. H. Bishop, T. M. Hamill, and J. S. Whitaker, 2003:

Ensemble square root filters. Monthly Weather Review, 131, 1485-1490.

Zhang, S., and J. L. Anderson, 2003;

Impact of spatially and temporally varying estimates ofr error covariance on assimilation in a simple atmospheric model. Tellus, 55A, 126-147.

Snyder, C., and F. Zhang, 2003:

Assimilation of simulated Doppler radar observations with an ensemble Kalman filter Monthly Weather Review, 131, 1663-16776.

Bengtsson, T., C. Snyder, and D. Nychka, 2003:

Toward a nonlinear ensemble filter for high dimensional systems. J. Geophys. Res., accepted.

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