Dr. Manisha Ganeshan

Dr. Manisha Ganeshan

  • RESEARCH SCIENTIST
  • 301.614.6409
  • NASA/GSFC
  • Mail Code: 613
  • Greenbelt , MD 20771
  • Employer: UNIVERSITIES SPACE RESEARCH ASSOCIATION
  • Brief Bio

    Dr. Ganeshan’s research is focused on studying the atmospheric boundary layer in polar regions. She is a 2017 Fellow of the International Arctic Science Committee (IASC), and is involved in the scientific activities of the Atmospheric Working group. She uses in-situ measurements and has experience using GPS Radio Occultation to study polar boundary layer processes, and contributes to research in the Global Modeling and Data Assimilation (GMAO) office at Goddard, where she runs the GEOS model and data assimilation experiments.

    Research Interests

    Atmospheric boundary layer, atmospheric turbulence, boundary layer-cloud interactions, surface-atmosphere coupling, surface radiation and mass balance in polar regions, polar weather and climate, polar lows, tropical cyclones.

    Studying atmospheric boundary layer properties using remote sensing observations including GPS RO.

    Modeling and data assimilation, numerical weather prediction, forecast verification, and improving sub-grid scale processes in climate models based on guidance from satellite and in-situ observations.

    Current Projects

    Using satellite observations, in-situ data, and reanalyses to characterize stable and mixed boundary layers in Antarctica, and to investigate impacts on the surface radiation budget.

    Using AIRS and CrIS data to understand processes affecting Tropical Cyclone structure in a global data assimilation and forecasting framework

    Studying the impact of assimilating cloud-cleared radiances on Polar Lows in Antarctica and Arctic.

    Positions/Employment

    10/2016 - Present

    Associate Scientist, Earth Sciences

    Universities Space Research Association, NASA Goddard Space Flight Center Bldg. 33, Rm. C305
    10/2013 - 10/2016

    Postdoctoral Scientist

    Universities Space Research Association, NASA Goddard Space Flight Center
    8/2008 - 9/2013

    Graduate Research Assistant

    University of Maryland, University of Maryland, College Park  

    Education

     
    Ph.D. in Atmospheric and Oceanic Science from University of Maryland, College Park (Dec. 2013)

     Bach. of Engineering (Environmental) from Kolhapur Institute of Technology's College of Engineering,  Kolhapur (May 2008)

    Professional Societies

    American Geophysical Union, 2009 - Present
    American Meteorological Society, 2009 - Present
    International Arctic Science Committee (IASC), 2017 - Present
    Fellow (Atmospheric Working Group)
    Interagency Arctic Research Policy Committee, Arctic Research Consortium of the U.S. (IARPC), 2017 - Present
    Scientific Committee on Antarctic Research, 2017 - Present
    Arctic Research Consortium of the U.S. (ARCUS), 2017 - Present

    Professional Service

     Reviewer for Journal of Geophysical Research-Atmospheres, Climate Dynamics, Urban Climate, and Atmospheric Measurement Techniques. Reviewer for NASA Earth and Space Science Fellowship and NASA Postdoctoral Program proposals.

    Awards

    • Best first-authored paper in annual Climate and Radiation Laboratory awards ceremony (2019).

    • 2017 International Arctic Science Committee (IASC) Fellow in the Atmosphere Working Group 
    • Graduate Student Fellow in Earth System Science by Earth System Science Interdisciplinary  Center (ESSIC) and NASA Goddard Space Flight Center (2009-2013).
    • Bayer and UNEP environmental envoy (2006-2007).

     

    Other Professional Information

     Short-term Consultant, Climate Investment Funds, The World Bank, Washington, D.C. (2011)

     Intern, Bhabha Atomic Research Center (BARC), Mumbai (2007 - 2008)

     Intern, Bharat Petroleum Corporation Limited (BPCL), Mumbai (2006)

    Selected Publications

    Refereed

    Ganeshan, M., and Y. Yang. 2018. "A Regional Analysis of Factors Affecting the Antarctic Boundary Layer During the Concordiasi Campaign." Journal of Geophysical Research: Atmospheres, [10.1029/2018jd028629]

    Ganeshan, M., and D. L. Wu. 2016. "The open-ocean sensible heat flux and its significance for Arctic boundarylayer mixing during early fall." Atmospheric Chemistry and Physics, 16 (20): 13173-13184 [10.5194/acp-16-13173-2016]

    Ganeshan, M., and R. Murtugudde. 2015. "Nocturnal propagating thunderstorms may favor urban “hot-spots”: A model-based study over Minneapolis." Urban Climate, 14 (Part 4): 606-621 [10.1016/j.uclim.2015.10.005]

    Ganeshan, M., and D. L. Wu. 2015. "An investigation of the Arctic inversion using COSMIC RO observations." J. Geophys. Res. Atmos, 120 (18): 9338-9351 [10.1002/2015JD023058]

    Talks, Presentations and Posters

    Invited

    Investigating the representation of Antarctic surface stability and Antarctic Polar Low in the NASA GEOS model framework. Oral presentation, Climate and Radiation Laboratory Seminar Series, NASA, Greenbelt, USA, May 2019.

    5 / 2019

    Representation of spring season Antarctic boundary layer and polar lows in the NASA Global Modeling Framework. Oral presentation, Earth System Science Interdisciplinary Center Seminar, College Park, USA, Nov. 2018.

    11 / 2018

    Cloud and boundary layer investigations in climate studies. Oral presentation, Department of Physics and Astronomy Seminar Series, Howard University, Washington D.C., USA, Oct. 2015

    10 / 2015

    Investigation of Arctic boundary layer processes using ship-based and COSMIC RO observations. Oral presentation, Climate and Radiation Laboratory Seminar Series, NASA, Greenbelt, USA, May 2015.

    5 / 18 / 2015

    Other

    McGrath-Spangler, E., M. Ganeshan, O. Reale, W. McCarty, and R. Gelaro (2019). Impact of assimilating AIRS cloud-cleared radiances on atmospheric dynamics and boundary layer height at high latitudes. Oral presentation, Year of Polar Prediction (YOPP) Arctic Science Workshop, Helsinki, Finland.

    1 / 2019

    Ganeshan, M., and Y. Yang (2019). Evaluation of MERRA2 surface stability over Antarctica: Comparisons with the spring 2010 Concordiasi campaign. Poster presentation, Year of Polar Prediction (YOPP) Arctic Science Workshop, Helsinki, Finland.

    1 / 2019

    Ganeshan, M., E. McGrath-Spangler, O. Reale, W. McCarty, and R. Gelaro (2019). Impact of assimilating AIRS cloud-cleared radiances on the analysis and forecasts of Polar Lows. Poster presentation, Year of Polar Prediction (YOPP) Arctic Science Workshop, Helsinki, Finland.

    1 / 2019

    Ganeshan, M., and Y. Yang (2018). An evaluation of the lower atmospheric stability over Antarctica and related boundary layer processes in MERRA2. Poster presentation, The AGU Fall Meeting, Washington D.C., USA.

    12 / 2018

    McGrath-Spangler, E., M. Ganeshan, O. Reale, W. McCarty, and R. Gelaro (2018). Impact of assimilating AIRS cloud-cleared radiances on atmospheric dynamics and polar low representation at high latitudes. Oral presentation, The AGU Fall Meeting, Washington D.C., USA.

    12 / 2018

    Reale, O., E. McGrath-Spangler, M. Ganeshan, W. McCarty, and R. Gelaro (2018). Impact of assimilating cloud-cleared and adaptively thinned infrared hyperspectral data on tropical cyclones in a global data assimilation and forecast framework. Oral presentation, The AGU Fall Meeting, Washington D.C., USA.

    12 / 2018

    Ganeshan, M., E. McGrath-Spangler, O. Reale, W. McCarty, and R. Gelaro (2018). Impact of assimilating AIRS cloud-cleared radiances on Antarctic Polar Lows. Oral presentation, NASA Sounder Science Team Meeting, Greenbelt, USA.

    10 / 2018

    McGrath-Spangler, E., M. Ganeshan, O. Reale, W. McCarty, and R. Gelaro (2018). Impact of assimilating AIRS cloud-cleared radiances on atmospheric dynamics at high latitudes. Oral presentation, NASA Sounder Science Team Meeting, Greenbelt, USA.

    10 / 2018

    Reale, O., E. McGrath-Spangler, M. Ganeshan, W. McCarty, and R. Gelaro (2018). Impact of assimilating cloud-cleared and adaptively thinned infrared hyperspectral data on tropical cyclones in a global data assimilation and forecast framework. Oral presentation, NASA Sounder Science Team Meeting, Greenbelt, USA.

    10 / 2018

    Ganeshan, M., and Y. Yang (2018). Regional analysis of factors affecting the Antarctic boundary layer during the Concordiasi campaign. Poster presentation, Polar18, Davos, Switzerland.

    6 / 2018

    Ganeshan, M., and Y. Yang (2017). The mixed Antarctic boundary layer: An analysis based on Concordiasi dropsonde observations during spring 2010. Oral presentation, The AGU Fall Meeting, New Orleans, USA.

    12 / 2017

    Yang, Y., M. Ganeshan, S. P. Palm, and A. Marshak (2017). Antarctic Boundary Layer Structure Under Cloudy and Blowing Snow Conditions: A Study with CALIOP and Dropsonde Observations. Poster presentation, The AGU Fall Meeting, New Orleans, USA.

    12 / 2017

    Ganeshan M., and D. L. Wu (2017). The atmospheric boundary layer response to the dynamic new Arctic Ocean during fall. Oral presentation, The Arctic Science Summit Week, Prague, Czech Republic.

    4 / 2017

    Ganeshan M., and D. L. Wu (2016). The atmospheric boundary layer response to the dynamic new Arctic Ocean. Poster presentation, The AGU Fall Meeting, San Francisco, USA.

    12 / 2016

    Wu, D. L., L. Boisvert, D. Klaus, K. Dethloff, and M. Ganeshan (2016). Observational constraints on Arctic boundary-layer clouds, surface moisture and sensible heat fluxes. Oral presentation, The AGU Fall Meeting, San Francisco, USA.

    12 / 2016

    Ganeshan M., and D. L. Wu (2016). How is the atmospheric boundary layer responding to the dynamic new Arctic Ocean? Oral presentation, CLIVAR Open Science Conference, Qingdao, China.

    9 / 2016

    Ganeshan M., and D. L. Wu (2016). How does Greenland’s boundary layer inversion respond to surface warming? Poster presentation, CLIVAR Open Science Conference, Qingdao, China.

    9 / 2016

    Ganeshan M., and D. L. Wu (2015). Using GPS Radio Occultation to study polar boundary layer properties. Poster presentation, The AGU Fall Meeting, San Francisco, USA.

    12 / 2015

    Ganeshan M., and D. L. Wu (2015). An investigation of the Arctic Inversion using COSMIC RO Observations. Oral presentation, Third Annual Young Scientist Forum, NASA GSFC, Greenbelt, USA.

    7 / 2015

    Ganeshan M., and D. L. Wu (2014). An investigation of the Arctic Inversion using COSMIC RO Observations. Poster presentation, The AGU Fall Meeting, San Francisco, USA.

    12 / 17 / 2014

    Ganeshan M., and D. L. Wu (2014). Application and limitations of RO data for the detection of Arctic boundary layer properties. Oral presentation, The 8th FORMOSAT-3/COSMIC Data Users’ Workshop, Boulder, USA.

    10 / 2 / 2014

    Ganeshan M., R. Murtugudde, and J. Strack (2013). The role of negative buoyancy in surface-based convection and its representation in cumulus parameterization schemes. Oral presentation, The 93rd AMS Annual Meeting, Austin, USA.

    1 / 2013

    Ganeshan M., and R. Murtugudde (2012). Convective processes over the urban and non-urban regions of the US. Oral presentation, Joint Annual UMD Burgers Program/JHU Center for Environmental and Applied Fluid Mechanics Symposium, College Park, USA.

    5 / 2012

    Ganeshan M., and R. Murtugudde (2011). Impact of model resolution on the prediction of warm season rainfall over the Chesapeake Bay watershed. Oral presentation, The 3rd Annual Graduate Women in Science Young Investigators’ Symposium, Laurel, USA.

    5 / 2011

    Ganeshan M., and R. Murtugudde (2011). Impact of model resolution on warm season rainfall: parameterized vs. explicit convection. Oral presentation, The DC-AMS Meeting, College Park, USA.

    1 / 2011

    Brief Bio

    Dr. Ganeshan’s research is focused on studying the atmospheric boundary layer in polar regions. She is a 2017 Fellow of the International Arctic Science Committee (IASC), and is involved in the scientific activities of the Atmospheric Working group. She uses in-situ measurements and has experience using GPS Radio Occultation to study polar boundary layer processes, and contributes to research in the Global Modeling and Data Assimilation (GMAO) office at Goddard, where she runs the GEOS model and data assimilation experiments.

    Selected Publications

    Refereed

    Ganeshan, M., and Y. Yang. 2018. "A Regional Analysis of Factors Affecting the Antarctic Boundary Layer During the Concordiasi Campaign." Journal of Geophysical Research: Atmospheres [10.1029/2018jd028629]

    Ganeshan, M., and D. L. Wu. 2016. "The open-ocean sensible heat flux and its significance for Arctic boundarylayer mixing during early fall." Atmospheric Chemistry and Physics 16 (20): 13173-13184 [10.5194/acp-16-13173-2016]

    Ganeshan, M., and R. Murtugudde. 2015. "Nocturnal propagating thunderstorms may favor urban “hot-spots”: A model-based study over Minneapolis." Urban Climate 14 (Part 4): 606-621 [10.1016/j.uclim.2015.10.005]

    Ganeshan, M., and D. L. Wu. 2015. "An investigation of the Arctic inversion using COSMIC RO observations." J. Geophys. Res. Atmos 120 (18): 9338-9351 [10.1002/2015JD023058]

                                                                                                                                                                                            
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