Scientist II at NCAR, Boulder, CO, USA/ ALUMNI PhD Student
Alumni
Research Interests
Hydrological modeling including single and multiphase flows
Contaminant transport modeling in subsurface aquifers
Sequential data assimilation in hydrology
Low-rank filtering and dual approaches
4D-Variational data assimilation
Inverse problems and data analysis
Selected Publications
M.E. Gharamti, J. Valstar, and I. Hoteit (2014): An adaptive hybrid EnKF-OI scheme for efficient state-parameter estimation of reactive contaminant transport models. Advances in Water Resources, doi: 10.1016/j.advwatres.2014.05.001.
M.E. Gharamti, A. Kadoura, J. Valstar, S. Sun, and I. Hoteit (2014): Constraining a Compositional Flow Model with Flow-Chemical Data Using an Ensemble-Based Kalman Filter. Water Resources Research, doi: 10.1002/2013WR014830.
M.E. Gharamti and I. Hoteit (2014): Complex Step-based Low-Rank Extended Kalman Filtering for State-Parameter Estimation in Subsurface Transport Models. Journal of Hydrology, doi: 10.1016/j.jhydrol.2013.12.004.
M.E. Gharamti, I. Hoteit, and J. Valstar (2013): Dual States Estimation of a Subsurface Flow-Transport Coupled Model using Ensemble Kalman Filtering. Advances in Water Resources, doi: 10.1016/j.advwaters.2013.07.011.
M.U. Altaf, M.E. Gharamti, I. Hoteit, and A. Heemink (2012): A reduced adjoint approach to variational data assimilation. Computer Methods in Applied Mechanics and Mechanical Engineering, doi: 10.1016/j.cma.2012.10.2013.
M.E. Gharamti, I. Hoteit, and S. Sun (2011): Low-rank Kalman filtering in subsurface contaminant transport modeling. Journal of Environmental Engineering, doi:10.1061/(ASCE)EE.1943-7870.0000484.
Education
Ph.D. Earth Sciences and Engineering, KAUST, Jan 2011 – Nov 2014, Data assimilation for management of industrial groundwater contamination on a regional scale
M.Sc. Earth Sciences and Engineering, KAUST, Feb 2010 – Dec 2010, Application of low-rank Kalman filtering to subsurface contaminant transport models
B.Sc., - Major: Geological Engineering, Middle East Technical University, Ankara, TURKEY, 2009 - Minor: Remote Sensing/Geographic Information Systems, Middle East Technical University, Ankara, TURKEY, 2009
