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Mohamad Gharamti
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An extended SEIR model with vaccination for forecasting the COVID-19 pandemic in Saudi Arabia using an ensemble Kalman filter
R Ghostine, M Gharamti, S Hassrouny, I Hoteit
Mathematics 9 (6), 636, 2021
562021
Mitigating observation perturbation sampling errors in the stochastic EnKF
I Hoteit, DT Pham, ME Gharamti, X Luo
Monthly Weather Review 143 (7), 2918-2936, 2015
562015
An iterative ensemble Kalman filter with one-step-ahead smoothing for state-parameters estimation of contaminant transport models
ME Gharamti, B Ait-El-Fquih, I Hoteit
Journal of Hydrology 527, 442-457, 2015
482015
A reduced adjoint approach to variational data assimilation
MU Altaf, M El Gharamti, AW Heemink, I Hoteit
Computer Methods in Applied Mechanics and Engineering 254, 1-13, 2013
452013
Dual states estimation of a subsurface flow-transport coupled model using ensemble Kalman filtering
M El Gharamti, I Hoteit, J Valstar
Advances in water resources 60, 75-88, 2013
372013
A Bayesian consistent dual ensemble Kalman filter for state-parameter estimation in subsurface hydrology
B Ait-El-Fquih, M El Gharamti, I Hoteit
Hydrology and Earth System Sciences 20 (8), 3289-3307, 2016
322016
Enhanced adaptive inflation algorithm for ensemble filters
M El Gharamti
Monthly Weather Review 146 (2), 623-640, 2018
292018
Ensemble data assimilation for ocean biogeochemical state and parameter estimation at different sites
ME Gharamti, J Tjiputra, I Bethke, A Samuelsen, I Skjelvan, M Bentsen, ...
Ocean Modelling 112, 65-89, 2017
292017
Constraining a compositional flow model with flow‐chemical data using an ensemble‐based Kalman filter
ME Gharamti, A Kadoura, J Valstar, S Sun, I Hoteit
Water Resources Research 50 (3), 2444-2467, 2014
272014
Insights on multivariate updates of physical and biogeochemical ocean variables using an Ensemble Kalman Filter and an idealized model of upwelling
L Yu, K Fennel, L Bertino, M El Gharamti, KR Thompson
Ocean Modelling 126, 13-28, 2018
252018
Complex step-based low-rank extended Kalman filtering for state-parameter estimation in subsurface transport models
ME Gharamti, I Hoteit
Journal of hydrology 509, 588-600, 2014
252014
An adaptive hybrid EnKF-OI scheme for efficient state-parameter estimation of reactive contaminant transport models
ME Gharamti, J Valstar, I Hoteit
Advances in water resources 71, 1-15, 2014
222014
Towards an end-to-end analysis and prediction system for weather, climate, and marine applications in the red sea
I Hoteit, Y Abualnaja, S Afzal, B Ait-El-Fquih, T Akylas, C Antony, ...
Bulletin of the American Meteorological Society 102 (1), E99-E122, 2021
192021
Online tuning of ocean biogeochemical model parameters using ensemble estimation techniques: Application to a one-dimensional model in the North Atlantic
ME Gharamti, A Samuelsen, L Bertino, E Simon, A Korosov, U Daewel
Journal of Marine Systems 168, 1-16, 2017
192017
Comparing adaptive prior and posterior inflation for ensemble filters using an atmospheric general circulation model
M El Gharamti, K Raeder, J Anderson, X Wang
Monthly Weather Review 147 (7), 2535-2553, 2019
182019
Assessing clustering strategies for Gaussian mixture filtering a subsurface contaminant model
B Liu, ME Gharamti, I Hoteit
Journal of Hydrology 535, 1-21, 2016
112016
Low-rank Kalman filtering for efficient state estimation of subsurface advective contaminant transport models
ME Gharamti, I Hoteit, S Sun
J. Environ. Eng 138 (4), 446-457, 2011
102011
On the efficiency of the hybrid and the exact second-order sampling formulations of the EnKF: a reality-inspired 3-D test case for estimating biodegradation rates of …
ME Gharamti, J Valstar, G Janssen, A Marsman, I Hoteit
Hydrology and Earth System Sciences 20 (11), 4561-4583, 2016
72016
Hybrid vs adaptive ensemble kalman filtering for storm surge forecasting
MU Altaf, N Raboudi, ME Gharamti, C Dawson, MF McCabe, I Hoteit
AGU Fall Meeting Abstracts 2014, A33K-3352, 2014
52014
DART-PFLOTRAN: An ensemble-based data assimilation system for estimating subsurface flow and transport model parameters
P Jiang, X Chen, K Chen, J Anderson, N Collins, MEL Gharamti
Environmental Modelling & Software 142, 105074, 2021
42021
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