Dorukhan Ardag

Senior Research Scientist

Science Systems and Applications, Inc. (SSAI) - Goddard Space Flight Center, Greenbelt, MD

September 2022 - Present

• Development and maintenance of the Swell workflow for the JEDI-GEOS coupled DA system.

Postdoctoral Scholar

Oregon State University - College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR

September 2019 - August 2022

• Developed an EnKF based iterative inversion method to estimate bathymetry at the Columbia River Estuary, OR by utilizing biologging, drifter, and satellite data. Conducted adjoint sensitivity analysis of remote sensing data to investigate the temporal and spatial variability of observations' contributions to bathymetry estimation.
• Received funds from an Oregon Sea Grant project as a CoPI with a total amount of $230,000 for a two year long project. Developed a robust swash zone monitoring system and initiated a comprehensive examination of the potential of cobble berms in mitigating coastal hazards.

Postdoctoral Associate

Taylor Engineering Research Institute - Jacksonville, FL

January 2019 - July 2019

• Conducted tuning experiments for a novel wave modeling framework based on the Weak Turbulence Theory to compare against the current operational models.
• Performed skill assessment of the ROMS/SWAN coupled model (COAWST) for the Columbia River, OR using in-situ and remote sensing measurements.

Graduate Research Assistant

University of Florida - Gainesville, FL

2015 - 2018

• Proposed a new source term balance to improve third generation wave models.
• Conducted a forensic study of Hurricane Matthew. Simulated coupled STWAVE + WISWAVE + ADCIRC hindcasts to examine of Northeast Florida’s resiliency in the face of a tropical storm.

Graduate Research and Teaching Assistant

University of North Florida - Jacksonville, FL

2012 - 2014

Developed Fortran versions of Discrete Interaction Approximation (DIA) and Two Scale Approximation (TSA) to examine spectral evolution of surface gravity waves. TA in a graduate level introduction to Fortran class.