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Sciences and Exploration Directorate

Janak Raj Joshi

(Postdoctoral Research Associate)

Janak Raj Joshi's Contact Card & Information.
Email: janak.r.joshi@nasa.gov
Org Code: 610
Address:
NASA/GSFC
Mail Code 610
Greenbelt, MD 20771
Employer: UNIVERSITY OF MARYLAND BALTIMORE CO

Research Interests


Understanding the production, transport, and distribution of atmospheric aerosols

Earth Science: Aerosols


Simulation and modeling of windblown dust (~ 0.01 – 20 µm)

Earth Science: Air Quality


Exploring the limits and drivers of dust storm predictability

Earth Science: Weather

Current Projects


Evaluation and Intercomparison of Dust Emission Schemes

Aerosols

This project focuses on testing, implementing/revising/updating, and evaluating multiple dust emission schemes within the NASA Goddard Earth Observing System (GEOS) Earth System Model.

Positions/Employment


Postdoctoral Research Associate

University of Maryland Baltimore County - NASA Goddard Space Flight Center Greenbelt, MD 20771

June 2023 - Present

Education


Ph.D. Atmospheric Sciences/Climate Dynamics

Dissertation: Modeling and Predictability of Dust Storms and Atmospheric Dustiness Over the Western United States

Advisor: Dr. J. Shukla, Distinguished Univ Prof

M.S. Atmospheric Physics

M.Sc. Physics (Central Department of Physics, TU)

Awards


Best Performing Postgraduate Diploma Student, 2016. Earth System Physics, International Centre for Theoretical Physics, Italy



Publications


Refereed

2024. "Dust model sensitivity to dust source mask, sandblasting efficiency, air density, and land use: Implications for model improvement." Atmospheric Pollution Research 15 (10): 102230 [10.1016/j.apr.2024.102230] [Journal Article/Letter]

2021. "Quantifying the impact of cropland wind erosion on air quality: A high-resolution modeling case study of an Arizona dust storm." Atmospheric Environment 263 118658 [10.1016/j.atmosenv.2021.118658] [Journal Article/Letter]