Yair Cohen

Postdoctoral Researcher California Institute of Technology and Jet Propulsion Laboratory 1200 E. California Blvd. MC 131-24 Pasadena, CA 91125 Office: 233 Linde+Robinson

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Biography

Current position Post-doctoral fellow, California Institute of Technology Advisors – Professor Tapio Schneider and Dr Joao Teixeira (JPL-NASA) Start date: Dec. 1st 2016

PhD thesis: Linear instability of synoptic scale eddies in a two-layer shallow water model PhD degree received on March 16st 2016.

Education

2005: B.Sc. – Atmospheric Sciences and Environmental Studies, the Hebrew University of Jerusalem; Jerusalem – Israel

2009:  M.Sc. – Atmospheric Sciences, the Hebrew University of Jerusalem; Jerusalem – Israel

2016:  PhD – Atmospheric Sciences, the Hebrew University of Jerusalem; Jerusalem – Israel

Research and Academic Experience

2008:   Laboratory experiments of the trapped low frequency waves in a large of turntable over topography (LEGI-Grenoble).

2009:   Laboratory experiments for low frequency waves over a continental slope with a dynamic shoreline (LEGI-Grenoble).

2008-2013:  A teaching assistant at HUJI and IUI in the following courses: Introduction to Climate, Thermodynamics of the Atmosphere, Dynamical Meteorology and Physical Oceanography.

Publications:

1. Cohen, Y. Paldor, N. and Sommeria, J. (2010) Laboratory experiments and a consistent theory for Topographic Rossby waves over a linearly sloping bottom on the f-plane. J. Fluid Mech., 645, 479-496.

2. Cohen, Y., N. Paldor and J. Sommeria (2012) Application of laboratory experiments to assess the error introduced by the imposition of “wall” boundary conditions in shelf models. Ocean. Model., 41, 35-41.

3. Cohen Y, Dvorkin Y, and Paldor N. (2015) Linear instability of warm core, constant potential vorticity, eddies in a two layer ocean. Q. J. Roy. Meteo. Soc., 141, 1884-1893, doi: 10.1002/qj.2493.

4. Cohen Y, Dvorkin Y, and Paldor N. (2015) Linear instability of constant PV cold-core eddies in a two layer ocean. Q. J. Roy. Meteo. Soc., 141, 2886-2897, doi: 10.1002/qj.2575.

5. Cohen, Y., Dvorkin, Y. and Paldor, N. (2016) On the stability of outcropping eddies in a constant PV ocean, Q. J. Roy. Meteo. Soc., 142, 1920-1928. doi:10.1002/qj.2785.

6. Cohen, Y., Harnik, N., Heifetz, E., Nolan, D., S., Tao, D. and Zhang F. (2017) On the violation of gradient wind balance at the top of Tropical Cyclone. Geophys. Res. Lett., DOI: 10.1002/2017GL074552.

7. Tan, Z., C. M. Kaul, K. G. Pressel, Y. Cohen, T. Schneider, and J. Teixeira. (2017) An extended eddy-diffusivity mass-flux scheme for unified representation of subgrid-scale turbulence and convection. Journal of Advances in Modeling Earth Systems, reviewed.

Research Grants, Prizes and Fellowships:

2008: HydraLab III 6th EC Framework Program Integrated Infrastructure Initiative

2010: Aron and Sara Mintz Prize of the Atmospheric Sciences Department of the Hebrew University of Jerusalem

2012: Eshkol foundation full PhD fellowship, administered by the Israel Ministry Of Science and Technology (MOST)

Publications

  • Tan, Z., C. M. Kaul, K. G. Pressel, Y. Cohen, T. Schneider, and J. Teixeira, 2018: An extended eddy-diffusivity mass-flux scheme for unified representation of subgrid-scale turbulence and convection. Journal of Advances in Modeling Earth Systems10, 770-800.
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