Biblio

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2009
Chai, T., G. R. Carmichael, Y. Tang, and A. Sandu, "“Regional NOX emission inversion through a four-dimensional variational approach using SCIAMACHY tropospheric NO2 col- umn observations", Atmospheric Environment, vol. Vol. 43, pp. 5046–5055, 2009.
2008
Constantinescu, E. M., A.   Sandu, and G. R. Carmichael, "Modeling atmospheric chemistry and transport with dynamic adaptive resolution", Computational Geosciences, 2008.
Carmichael, G. R., T. Chai, A.   Sandu, E. M. Constantinescu, and D. Daescu, "Predicting air quality: improvements through advanced methods to integrate models and measurements", Journal of Computational Physics, vol. 227, no. 7, pp. 3540–3571, 2008.
2007
Constantinescu, E. M., A.   Sandu, T. Chai, and G. R. Carmichael, "Ensemble-based chemical data assimilation. I: General approach", Quarterly Journal of the Royal Meteorological Society, vol. 133, no. 626, pp. 1229–1243, July, 2007.
Constantinescu, E. M., A.   Sandu, T. Chai, and G. R. Carmichael, "Ensemble-based chemical data assimilation. II: Covariance localization", Quarterly Journal of the Royal Meteorological Society, vol. 133, no. 626, pp. 1245–1256, July, 2007.
Constantinescu, E. M., A.   Sandu, T. Chai, and G. R. Carmichael, "Assessment of ensemble-based chemical data assimilation in an idealized setting", Atmospheric Environment, vol. 41, no. 1, pp. 18-36, 2007.
Constantinescu, E. M., A.   Sandu, T. Chai, and G. R. Carmichael, "Autoregressive models of background errors for chemical data assimilation", Journal of Geophysical Research, vol. 112, no. D12309, 2007.
Chai, T., G. R. Carmichael, Y. Tang, A.   Sandu, M. Hardesty, P. Pilewskie, S. Whitlow, E. V. Browell, M. A. Avery, V. Thouret, et al., "Four dimensional data assimilation experiments with ICARTT (International Consortium for Atmospheric Transport and Transformation) ozone measurements", Journal of Geophysical Research, vol. 112, no. D12S15, 2007.
2006
Hakami, A., J. H. Seinfeld, T. Chai, Y. Tang, G. R. Carmichael, and A.   Sandu, "Adjoint sensitivity analysis of ozone non-attainment over the continental United States", Environmental Science and Technology, 2006.
Chai, T., G. R. Carmichael, A.   Sandu, Y. Tang, and D. N. Daescu, "Chemical data assimilation with TRACE-P aircraft measurements", Journal of Geophysical Research, vol. 111, no. D02301, 2006.
Liao, W., A.   Sandu, T. Chai, and G. R. Carmichael, "Total energy singular vector analysis for atmospheric chemical transport models", Monthly Weather Review, vol. 134, no. 9, pp. 2443–2465, 2006.
2005
Hakami, A., D. K. Henze, J. H. Seinfeld, T. Chai, Y. Tang, G. R. Carmichael, and A.   Sandu, "Adjoint inverse modeling of black carbon during ACE-Asia", Journal of Geophysical Research, vol. 110, no. D14, 2005.
Sandu, A.  , D. Daescu, G. R. Carmichael, and T. Chai, "Adjoint sensitivity analysis of regional air quality models", Journal of Computational Physics, vol. 204, pp. 222–252, 2005.
Sandu, A.  , W. Liao, G. R. Carmichael, D. K. Henze, and J. H. Seinfeld, "Inverse modeling of aerosol dynamics using adjoints – theoretical and numerical considerations", Aerosol Science and Technology, vol. 39, pp. 1–18, 2005.
2004
Sandu, A.  , W. Liao, G. R. Carmichael, D. Henze, J. H. Seinfeld, T. Chai, and D. Daescu, "Computational aspects of data assimilation for aerosol dynamics", Lecture Notes in Computer Science, vol. 3038: Springer-Verlag GmbH, pp. 709–716, June, 2004.
Chai, T., G. R. Carmichael, D. Daescu, and A.   Sandu, "Analysis of Trace-P observations using a 4D-Var data assimilation technique", {Proceedings of the 84-th American Meteorological Society annual meeting}, vol. Session 8:, no. 8.4, pp. 6, January 11-15, 2004.
Carmichael, G. R., A.   Sandu, D. Daescu, T. Chai, J. H. Seinfeld, P. Hess, and T. Anderson, "Chemical data assimilation in support of air quality forecasting", Proceedings of the 84-th American Meteorological Society annual meeting, vol. Session 2:, no. 2.1, pp. 6, January 11-15, 2004.
Henze, D. K., J. H. Seinfeld, W. Liao, A.   Sandu, and G. R. Carmichael, "Inverse modeling of aerosol dynamics: condensational growth", Journal of Geophysical Research, vol. 109, no. D14, 2004.
Tang, Y., G. R. Carmichael, L. W. Horowitz, I. Uno, J. H. Woo, D. G. Streets, D. Dabdub, G. Kurata, A.   Sandu, J. Allan, et al., "Multi-scale simulations of tropospheric chemistry in the Eastern Pacific and U.S. West coast during spring 2002", Journal of Geophysical Research - Atmospheres, vol. 109, no. D23, 2004.
Sandu, A.  , D. Daescu, G. R. Carmichael, and T. Chai, "Parallel Chemical Data Assimilation in Atmospheric Models", SIAM Conference on Parallel Processing PP04, vol. Session CP, pp. San Francisco, 2004.
Tang, Y., G. R. Carmichael, J. H. Seinfeld, D. Dabdub, R. J. Weber, B. Huebert, A. D. Clarke, S. A. Guazzotti, D. A. Sodeman, K. A. Prather, et al., "Three-dimensional studies of aerosol ions and their size distribution in East Asia during spring 2001", Journal of Geophysical Research, vol. 109, no. D19, 2004.
2003
Carmichael, G. R., D. Daescu, A.   Sandu, and T. Chai, "Computational aspects of chemical data assimilation into atmospheric models", Springer Lecture Notes in Computer Science, no. 2660, pp. 269–278, June, 2003.
Sandu, A.  , D. N. Daescu, T. Chai, G. R. Carmichael, J. H. Seinfeld, P. G. Hess, T. L. Anderson, and F. Darema, "Computational aspects of 4D-Var chemical data assimilation in atmospheric models", Dynamic Data Driven Applications Systems: Kluwer Academic Publishers, 2003.
Sandu, A.  , D. Daescu, and G. R. Carmichael, "Direct and adjoint sensitivity analysis of chemical kinetic systems with KPP: I – Theory and software tools", Atmospheric Environment, vol. 37, pp. 5083–5096, 2003.
Daescu, D., A.   Sandu, and G. R. Carmichael, "Direct and adjoint sensitivity analysis of chemical kinetic systems with KPP: II – Numerical validation and applications", Atmospheric Environment, vol. 37, pp. 5097–5114, 2003.