Alexanderian, A., J. Winokur, I. Sraj, A. Srinivasan, M. Iskandarani, W.C. Thacker, and M.O. Knio. Global sensitivity analysis in an ocean general circulation model: A sparse spectral projection approach. Computational Geosciences, 16(3):757-778, doi:10.1007/s10596-012-9286-2 2012 Ref. 2681
Song, Z., F. Qiao, X. Lei, and C. Wang. Influence of parallel computational uncertainty on simulations of the Coupled General Climate Model. Geoscientific Model Development, 5:313-310, doi:10.5194/gmd-5-313-2012 2012 Ref. 2671
Thacker, W.C. Regression-based estimates of the rate of accumulation of anthropogenic CO2 in the ocean: A fresh look. Marine Chemistry, 132-133:44-55, doi:10.1016/j.marchem.2012.02.004 2012 Ref. 2667
Thacker, W.C., A. Srinivasan, M. Iskandarani, O.M. Knio, and M. Le Henaff. Propagating boundary uncertainties using polynomial expansions. Ocean Modelling, 43-44:52-63, doi: 10.1016/j.ocemod.2011.11.011 2012 Ref. 1
Srinivasan, A., E.P Chassignet, L. Bertino, J.M. Brankart, P. Brasseur, T.M. Chin, F. Counillon, J.A. Cummings, A.J. Mariano, O.M. Smedstad, and W.C. Thacker. A comparison of sequential assimilation schemes for ocean prediction with the HYbrid Coordinate Ocean Model (HYCOM): Twin experiments with static forecast error covariances. Ocean Modelling, 37(3-4):85-111, doi:10.1016/j.ocemod.2011.01.006 2011 Ref. 98
Srinivasan, A., J. Helgers, C.B. Paris, M. LeHenaff, H. Kang, V.H. Kourafalou, M. Iskandarani, W.C. Thacker, J.P. Zysman, N.F. Tsinoremas, and O.M. Knio. Many task computing for modeling the fate of oil discharged from the Deepwater Horizon well blow. Proceedings, Third IEEE Workshop on Many-Task Computing on Grids and Supercomputers, New Orleans, LA, November 15, 2010. Institute of Electrical and Electronic Engineers, 7 pp., doi:10.1109/MTAGS.2010.5699424 2010 Ref. 127
Lavelle, J.W., and W.C. Thacker. A pretty good sponge: Dealing with open boundaries in limited area ocean models. Ocean Modelling, 20(3):270-292, doi:10.1016/j.ocemod.2007.10.002 2008 Ref. 398
Thacker, W.C. Estimating salinity between 25°S and 45°S in the Atlantic Ocean using local regression. Journal of Atmospheric and Oceanic Technology, 25(1):114-130, doi:0.1175/2007JTECHO530.1 2008 Ref. 450
Thacker, W.C. Data assimilation with inequality constraints. Ocean Modelling, 16(3-4):264-276 , 2007 Ref. 523
Thacker, W.C. Estimating salinity to complement observed temperature, Part 1: Gulf of Mexico. Journal of Marine Systems, 65(1-4):224-248 , 2007 Ref. 524
Thacker, W.C., and L.R. Sindlinger. Estimating salinity to complement observed temperature, Part 2: Northwestern Atlantic. Journal of Marine Systems, 65(1-4):249-267 , 2007 Ref. 525
Baringer, M.O., S.L. Garzoli, G.J. Goni, W.C. Thacker, and R. Lumpkin. Quarterly reports on the state of the ocean: Meridional heat transport variability in the Atlantic Ocean, pp. 265-267.. In Annual Report on the State of the Ocean and the Ocean Observing System for Climate (FY-2005), NOAA Office of Climate Observation, Silver Spring, MD, 337 pp. , 2006 Ref. 552
Sun, W., M. Cetin, W.C. Thacker, T.M. Chin, and A.S. Willsky. Variational approaches on discontinuity localization and field estimation in sea surface temperature and soil moisture. IEEE Transactions on Geoscience and Remote Sensing, 44(2):336-350 , 2006 Ref. 641
Thacker, W.C., S.-K. Lee, and G.R. Halliwell. Assimilating 20 years of Atlantic XBT data into HYCOM: A first look. Ocean Modelling, 7(1-2):183-210 , 2004 Ref. 828
Thacker, W.C., and O.E. Esenkov. Assimilating XBT data into HYCOM. Journal of Atmospheric and Oceanic Technology, 19(5):709-724 , 2002 Ref. 1034
Thacker, W.C. Principal predictors. International Journal of Climatology, 19(8):821-834 , 1999 Ref. 1394
Thacker, W.C., and R. Lewandowicz. A comparison of low-dimensionalrepresentations of sea-surface temperature anomalies in the NorthAtlantic. International Journal of Climatology, 17(9):953-967, 1997 Ref. 1604
Thacker, W.C., and R. Lewandowicz. Partitioning the North Atlantic intoregions of similar seasonal sea-surface temperature anomalies. International Journal of Climatology, 17(1):3-23 , 1997 Ref. 1605
Sirkes, Z., E. Tziperman, and W.C. Thacker. Combining data and a global primitive equation ocean general circulation model using the adjoint method. . In Modern Approaches to Data Assimilation in Ocean Modeling, Elsevier, Amsterdam, 119-145 , 1996 Ref. 1682
Thacker, W.C. Climatic fingerprints, patterns, and indices. Journal of Climate, 9(9):2259-2261 , 1996 Ref. 1686
Thacker, W.C. Metric-based principal components: Data uncertainties. Tellus A, 48(4):584-592 , 1996 Ref. 1687
Thacker, W.C., and R. Lewandowicz. Climatic indices, principal components, and the Gauss-Markov theorem. Journal of Climate, 9(8):1942-1958 , 1996 Ref. 1688
Thacker, W.C., and R. Lewandowicz. Dynamics of information and uncertainty. Tellus A, 46(5):651-670 , 1994 Ref. 1863
Thacker, W.C., and R. Raghunath. The rigid lid's contribution to the ill-conditioning of oceanic inverse problems. Journal of Geophysical Research, 99(C5):10,131-10,141 , 1994 Ref. 1864
Bergamasco, A., P. Malanotte-Rizzoli, W.C. Thacker, and R.B. Long. The seasonal steady circulation of the eastern Mediterranean determined with the adjoint method. Deep-Sea Research, Part II,40(6):1269-1298 , 1993 Ref. 1883
Snyder, R.L., W.C. Thacker, K. Hasselmann, S. Hasselmann, and G. Barzel. Implementation of an efficient scheme for calculating nonlinear transfer from wave-wave interactions. Journal of Geophysical Research, 98(C8):14,507-14,525 , 1993 Ref. 1981
Tziperman, E., W.C. Thacker, and K. Bryan. Computing the steady oceanic circulation using an optimization approach. Dynamics of Atmospheres and Oceans, 16(5):379-403 , 1992 Ref. 2059
Tziperman, E., W.C. Thacker, R.B. Long, and S.-M. Hwang. Oceanic data analysis using a general circulation model. Part 1: Simulations. Journal of Physical Oceanography, 22(12):1434-1457 , 1992 Ref. 2060
Tziperman, E., W.C. Thacker, R.B. Long, S.-M. Hwang, and S.R. Rintoul. Oceanic data analysis using a general circulation model, Part 2: A North Atlantic model. Journal of Physical Oceanography, 22(12):1458-1485 , 1992 Ref. 2061
Thacker, W.C. Automatic differentiation from an oceanographer's perspective.. In Automatic Differentiation of Algorithms: Theory, Implementation, and Application, Society of Industrial and Applied Mathematics (SIAM), Philadelphia, 191-201 , 1991 Ref. 2152
Long, R.B., W.C. Thacker, and S.-M. Hwang. Fitting a general ocean circulation model to observations: A progress report. Proceedings, International Symposium on Assimilation of Observations in Meteorology and Oceanography, Clermont-Ferrand, France, July 9-13, 1990. World Meteorological Organization, 65-70 , 1990 Ref. 2207
Thacker, W.C. Large least-squares problems and the need for automating the generation of adjoint codes. . In Lectures in Applied Mathematics, Volume 26: Computational Solution of Nonlinear Systems of Equations, American Mathematical Society, Providence, Rhode Island, 645-677 , 1990 Ref. 2238
Thacker, W.C., and G. Holloway. Inverse problems and the principal of maximum entropy. Proceedings, International Symposium on Assimilation of Observations in Meteorology and Oceanography, Clermont-Ferrand, France, July 9-13, 1990. World Meteorological Organization, 6-11 , 1990 Ref. 2239
Tziperman, E., and W.C. Thacker. The adjoint method applied to an oceanic GCM: Model and simulations. Proceedings, International Symposium onAssimilation of Observations in Meteorology and Oceanography, Clermont-Ferrand, France, July 9-13, 1990. World Meteorological Organization, 62-64 , 1990 Ref. 2240
Long, R.B., and W.C. Thacker. Data assimilation into a numerical equatorial ocean model, Part 1: The model and the assimilation algorithm. Dynamics of Atmospheres and Oceans, 13(3-4):379-412 , 1989 Ref. 2284
Long, R.B., and W.C. Thacker. Data assimilation into a numerical equatorial ocean model, Part 2: Assimilation experiments. Dynamics of Atmospheres and Oceans, 13(3-4):413-439 , 1989 Ref. 2285
Thacker, W.C. The role of the Hessian matrix in fitting models tomeasurements. Journal of Geophysical Research, 94(C5):6177-6196, 1989 Ref. 2321
Tziperman, E., and W.C. Thacker. An optimal-control/adjoint-equationsapproach to studying the oceanic general circulation. Journal of Physical Oceanography, 19(10):1471-1485 , 1989 Ref. 2323
Lautenschlager, M., D.P. Eppel, and W.C. Thacker. Subgrid-parameterizationin helical flows. Contributions to Atmospheric Physics (Beiträge zur Physik der Atmosphäre), 61(2):87-97 , 1988 Ref. 2360
Thacker, W.C. A cost-function approach to the assimilation of asynopticdata. Journal of Scientific Computing, 2(2):137-158 , 1988 Ref. 2375
Thacker, W.C. Fitting models to inadequate data by enforcing spatial andtemporal smoothness. Journal of Geophysical Research,93(C9):10,655-10,665 , 1988 Ref. 2376
Thacker, W.C., and R.B. Long. Fitting dynamics to data. Journal of Geophysical Research, 93(C2):1227-1240 , 1988 Ref. 2377
Thacker, W.C. Anomalous dispersion in numerical models of wave spectra. Proceedings, Symposium on Wave Dynamics and Radio Probing of the Ocean Surface, Miami, FL, May 13-20, 1981. Inter-Union Commission on Radio Meteorology, 661-669 , 1986 Ref. 2534
Thacker, W.C. Relationships between statistical and deterministic methods of data assimilation. Proceedings, International Symposium on Variational Methods in Geosciences, Norman, OK, October 15-17, 1985. Elsevier Science Publishers B.V., 173-179 , 1986 Ref. 2535
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