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Jeff Steward
Jeff Steward
Tomorrow.io
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Comparison of advanced large-scale minimization algorithms for the solution of inverse ill-posed problems
AK Alekseev, IM Navon, JL Steward
Optimization methods & software 24 (1), 63-87, 2009
472009
Reduced‐order modeling based on POD of a parabolized Navier–Stokes equation model I: forward model
J Du, IM Navon, JL Steward, AK Alekseev, Z Luo
International Journal for Numerical Methods in Fluids 69 (3), 710-730, 2012
332012
Impact of non‐smooth observation operators on variational and sequential data assimilation for a limited‐area shallow‐water equation model
JL Steward, IM Navon, M Zupanski, N Karmitsa
Quarterly Journal of the Royal Meteorological Society 138 (663), 323-339, 2012
292012
Interpreting millimeter‐wave radiances over tropical convective clouds
ZS Haddad, RC Sawaya, S Kacimi, OO Sy, FJ Turk, J Steward
Journal of Geophysical Research: Atmospheres 122 (3), 1650-1664, 2017
152017
A data assimilation technique to account for the nonlinear dependence of scattering microwave observations of precipitation
ZS Haddad, JL Steward, HC Tseng, T Vukicevic, SH Chen, ...
Journal of Geophysical Research: Atmospheres 120 (11), 5548-5563, 2015
152015
A new CAM6+ DART reanalysis with surface forcing from CAM6 to other CESM models
K Raeder, TJ Hoar, M El Gharamti, BK Johnson, N Collins, JL Anderson, ...
Scientific Reports 11 (1), 16384, 2021
102021
Parallel direct solution of the ensemble square root Kalman filter equations with observation principal components
JL Steward, A Aksoy, ZS Haddad
Journal of Atmospheric and Oceanic Technology 34 (9), 1867-1884, 2017
102017
Parallel direct solution of the covariance-localized ensemble square root Kalman filter equations with matrix functions
JL Steward, JE Roman, AL Daviña, A Aksoy
Monthly Weather Review 146 (9), 2819-2836, 2018
82018
Assimilating scatterometer observations of tropical cyclones into an Ensemble Kalman Filter system with a robust observation operator based on canonical-correlation analysis
JL Steward, ZS Haddad, S Hristova-Veleva, T Vukicevic
Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions V …, 2014
32014
A Neural-Network Based MPAS—Shallow Water Model and Its 4D-Var Data Assimilation System
X Tian, L Conibear, J Steward
Atmosphere 14 (1), 157, 2023
22023
Inverting ionospheric electron density perturbations to tsunami wave height
P Vergados, X Meng, J Steward, JL Anderson, A Komjathy, ...
AGU Fall Meeting Abstracts 2020, SA009-0006, 2020
12020
DART: Empowering Geoscience with Improved Ensemble Data Assimilation
TJ Hoar, K Raeder, JL Anderson, J Steward, M El Gharamti, BK Johnson, ...
AGU Fall Meeting Abstracts 2020, A215-0002, 2020
12020
Practical optimization algorithms in the data assimilation of large-scale systems with non-linear and non-smooth observation operators
JL Steward
The Florida State University, 2012
12012
Orion Space Solutions Prototype Earth Observations Digital Twin System
J Steward
104th AMS Annual Meeting, 2024
2024
Observations and modeling studies of a SAR Arc on Feb 28th, 2023
J Hughes, J Noto, I Collett, R Blay, J Steward
AGU23, 2023
2023
Space Weather Data Assimilation-Challenges and Opportunities
J Steward, J Hughes, R Blay, I Collett, G Crowley, V Forsythe
AGU23, 2023
2023
Development of the tangent linear and adjoint models of the global online chemistry transport model MPAS-CO2 v7. 3
T Zheng, S Feng, JL Steward, X Tian, DF Baker, M Baxter
AGU23, 2023
2023
Regional Inverse Modeling in North and South America for the NASA Carbon Monitoring System
S Feng, A Andrews, J Steward, T Zheng, Y Zhang, L Hu, KJ Davis, ...
AGU23, 2023
2023
The growing need for neutral-density-data-assimilative space traffic management to help prevent catastrophic Kessler-syndrome low-earth orbit breakdown
J Steward, G Crowley, M Pilinski, R Nguyen, R Blay
AGU23, 2023
2023
Development of the tangent linear and adjoint models of the global online chemical transport model MPAS-CO2 v7.3
T Zheng, S Feng, J Steward, X Tian, D Baker, M Baxter
Geoscientific Model Development Discussions 2023, 1-32, 2023
2023
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Artiklar 1–20