Aksoy, A. and D. Wu, 2024: Parameter Estimation. Encyclopedia of Atmospheric Sciences, 3rd edition. W. A. Robinson, Ping Yang, Eds., Elsevier. [Link]
Refereed Journal Articles
2024
Aksoy, A., 2024: A Monte Carlo approach to understanding the impacts of initial-condition uncertainty, model uncertainty, and simulation variability on the predictability of chaotic systems: Perspectives from the one-dimensional logistic map. Chaos, 34, 011102. [DOI]
2023
Sellwood, K. J., J. A. Sippel, and A. Aksoy, 2023: Assimilation of Coyote Small Uncrewed Aircraft System Observations in Hurricane Maria (2017) using Operational HWRF. Weather and Forecasting, 38, 901–919. [DOI]
2022
Aksoy, A., J. J. Cione, B. A. Dahl, and P. D. Reasor, 2022: Tropical cyclone data assimilation with Coyote Uncrewed Aircraft System observations, very frequent cycling, and a new online quality control technique. Monthly Weather Review, 150, 797-820. [DOI]
Christophersen, H., J. Sippel, A. Aksoy, and N. L. Baker, 2022: Recent advancements for tropical cyclone data assimilation. Annals of the New York Academy of Sciences, 1–19. [DOI]
Zawislak, J., R. F. Rogers, S. D. Aberson, G. J. Alaka, G. Alvey, A. Aksoy, et al., 2022: Accomplishments of NOAA’S airborne hurricane field program and a broader future approach to forecast improvement. Bulletin of the American Meteorological Society, 103, E311-338. [DOI]
2020
Schultz, D. M., A. Aksoy, J. Anderson, et al., 2020: Data availability principles and practice. Monthly Weather Review, 148, 4701-4702. [DOI]
Wick, G. A., J. P. Dunion, P. G. Black, J. R. Walker, R. D. Torn, A. C. Kren, A. Aksoy, et al., 2020: NOAA’S Sensing Hazards with Operational Unmanned Technology (SHOUT) Experiment: Observations and forecast impacts. Bulletin of the American Meteorological Society, 101, E968–E987. [DOI]
Cione, J. J., G. H. Bryan, R. Dobosy, J. A. Zhang, G. de Boer, A. Aksoy, et al., 2020: Eye of the storm: Observing hurricanes with a Small Unmanned Aircraft System. Bulletin of the American Meteorological Society, 101, E186–E205. [DOI]
2018
Steward, J., J. E Roman, A. L. Daviña, and A. Aksoy, 2018: Parallel direct solution of the covariance-localized ensemble square root Kalman filter equations with matrix functions. Monthly Weather Review, 146, 2819-2836.
Christophersen, H., A. Aksoy, J. Dunion, and S. Aberson, 2018: Composite impact of Global Hawk unmanned aircraft dropwindsondes on tropical cyclone analyses and forecasts. Monthly Weather Review, 146, 2297-2314.
Christophersen, H., R. Atlas, A. Aksoy, and J. Dunion, 2018: Combined use of satellite observations and Global Hawk unmanned aircraft dropwindsondes for improved tropical cyclone analyses and forecasts. Weather and Forecasting, 33, 1021–1031.
2017
Steward, J., A. Aksoy, and Z. Haddad, 2017: Parallel direct solution of the ensemble square-Root Kalman filter equations with observation principal components. Journal of Atmospheric and Oceanic Technology, 34, 1867-1884.
Aksoy, A., J. A. Zhang, B. W. Klotz, E. W. Uhlhorn, and J. J. Cione, 2017: Axisymmetric initialization of the atmosphere and ocean for idealized coupled hurricane simulations. Journal of Advances in Modeling Earth Systems. [DOI]
Christophersen, H., A. Aksoy, J. Dunion, and K. Sellwood, 2017: The impact of NASA Global Hawk unmanned aircraft dropwindsonde observations on tropical cyclone track, intensity, and structure: Case studies. Monthly Weather Review, 145, 1817-1830.
2015
Aberson, S. D., A. Aksoy, K. J. Sellwood, T. Vukicevic, and X. Zhang, 2015: Assimilation of high-resolution tropical cyclone observations with an ensemble Kalman filter using HEDAS: Evaluation of 2008–11 HWRF forecasts. Monthly Weather Review, 143, 511-523.
2013
Vukicevic, T., A. Aksoy, P. Reasor, S. D. Aberson, K. J. Sellwood, and F. Marks, 2013: Joint impact of forecast tendency and state error biases in ensemble Kalman filter data assimilation of inner-core tropical cyclone observations. Monthly Weather Review, 141, 2992-3006.
Lorsolo, S., J. Gamache, and A. Aksoy, 2013: Evaluation of the Hurricane Research Division radar analysis software using synthetic data. Journal of Atmospheric and Oceanic Technology, 30, 1055-1071.
Aksoy, A., S. D. Aberson, T. Vukicevic, K. J. Sellwood, S. Lorsolo, and X. Zhang, 2013: Assimilation of high-resolution tropical cyclone observations with an ensemble Kalman filter using NOAA/AOML/HRD’s HEDAS: Evaluation of the 2008-2011 vortex-scale analyses. Monthly Weather Review, 141, 1842-1865.
Rogers, R., S. Aberson, A. Aksoy, and Co-Authors, 2013: NOAA’s Hurricane Intensity Forecasting Experiment (IFEX): A Progress Report. Bulletin of the American Meteorological Society, 94, 859-882.
Aksoy, A., 2013: Storm-Relative Observations in Tropical Cyclone Data Assimilation with an Ensemble Kalman Filter. Monthly Weather Review, 141, 506-522.
2012
Aksoy, A., S. Lorsolo, T. Vukicevic, K. J. Sellwood, S. D. Aberson, and F. Zhang, 2012: The HWRF Hurricane Ensemble Data Assimilation System (HEDAS) for high-resolution data: The impact of airborne Doppler radar observations in an OSSE. Monthly Weather Review, 140, 1843-1862.
Lorsolo, S. and A. Aksoy, 2012: Wavenumber analysis of azimuthally distributed data: Assessing maximum allowable gap size. Monthly Weather Review, 140, 1945-1956.
2010
Aksoy, A., D. C. Dowell, and C. Snyder, 2010: A multi-case comparative assessment of the ensemble Kalman filter for assimilation of radar observations. Part II: Short-range ensemble forecasts. Monthly Weather Review, 138, 1273-1292.
2009
Aksoy, A., D. C. Dowell, and C. Snyder, 2009: A multi-case comparative assessment of the ensemble Kalman filter for assimilation of radar observations. Part I: Storm-scale analyses. Monthly Weather Review, 137, 1805-1824.
2007
Stuart, A. L., A. Aksoy, F. Zhang, and J. W. Nielsen-Gammon, 2007: Ensemble-based data assimilation and targeted observation of a chemical tracer in a sea breeze model. Atmospheric Environment, 41, 3082-3094.
Zhang, F., N. Bei, J. W. Nielsen-Gammon, L. Guohoi, R. Zhang, A. Stuart, and A. Aksoy, 2007: Impacts of meteorological uncertainties on ozone pollution predictability estimated through meteorological and photochemical ensemble forecasts. Journal of Geophysical Research, 112, D04304.
2006
Aksoy, A., F. Zhang, and J. W. Nielsen-Gammon, 2006: Ensemble-based state and parameter estimation in a two-dimensional sea-breeze model. Monthly Weather Review, 134, 2951-2970.
Aksoy, A., F. Zhang, and J. W. Nielsen-Gammon, 2006: Ensemble-based simultaneous state and parameter estimation with MM5. Geophysical Research Letters, 33, L12801.
Zhang, F., Z. Meng, and A. Aksoy, 2006: Tests of an ensemble Kalman filter for mesoscale and regional-scale data assimilation. Part I: Perfect model experiments. Monthly Weather Review, 134, 722-736.
2005
Aksoy, A., F. Zhang, J. W. Nielsen-Gammon, and C. C. Epifanio, 2005: Ensemble-based data assimilation for thermally forced circulations. Journal of Geophysical Research, 110, D16105.
