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Marcin Witek

Photo of Marcin Witek

Address:

4800 Oak Grove Drive
M/S 233-200

Pasadena, CA 91109

Phone:

818 354-0250

Fax:

818 354-3221

Curriculum Vitae:

Click here

Member of:

Aerosols And Clouds

Education

  • Ph.D., Physics, Atmospheric Science, (with Honors), University of Warsaw (2008)
  • Master of Science, Physics, Atmospheric Science, University of Warsaw (2003)

Professional Experience

  • Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA (2011 - present)
    • Research Scientist, Aerosol and Cloud Science Group
  • California Institute of Technology, Pasadena, CA (2008-2011)
    • Research scholar (postdoc)

Research Interests

  • Remote sensing of aerosols
  • Boundary layer and cloud parameterization/modeling
  • Atmospheric aerosol modeling
  • Sea spray aerosol emission parameterizations
  • Climate changes and aerosol influence on climate

Selected Publications

  1. Garay M. J., M. L. Witek R. A. Kahn, F. C. Seidel, J. A. Limbacher, M. A. Bull, D. J. Diner, E. G. Hansen, O. V. Kalashnikova, H. Lee, A. M. Nastan, and Y. Yu (2019): Introducing the 4.4 km spatial resolution MISR Aerosol Product, Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2019-340, in review.
  2. Sayer A. M., Y. Govaerts, P. Kolmonen, A. Lipponen, M. Luffarelli, T. Mielonen, F. Patadia, T. Popp, A. C. Povey, K. Stebel, and M. L. Witek (2019): A review and framework for the evaluation of pixel-level uncertainty estimates in satellite aerosol remote sensing, Atmos. Meas. Tech. Discuss., https://doi.org.10.5194/amt-2019-318, in review.
  3. Witek M. L., M. J. Garay, D. J. Diner, and A. Smirnov (2019): Oceanic aerosol loading derived from MISR's 4.4 km (V23) Aerosol Product. J. Geophys. Res. Atmos., 124, https://doi.org/10.1029/2019JD031065
  4. H. Shi, Z. Jiang, B. Zhao, Z. Li, Y. Chen, Y. Gu, J. H. Liang, M. Lee, H-N. Liou, J. L. Neu, V. H. Payne, H. Su, Y. Wang, M. L. Witek, and J. Wodern (2019): Modeling study of the air quality impact of record-breaking Southern California wildfires in December 2017. J. Geophys. Res. Atmos., 124, 6554-6570, https://doi.org/10.1029/2019JD030472
  5. Witek M. L., D. J. Diner, M. J. Garay, F. Xu, M. A. Bull, and F. C. Seidel (2018): Improving MISR AOD retrievals with low-light-level corrections for veiling light. IEEE Trans. Geosci. Remote Sens., 56, 1251-1268, doi:10.1109/TGRS.2017.2727342.
  6. Witek M. L., M. J. Garay, D. J. Diner, M. A. Bull, and F. C. Seidel (2018): New approach to the retrieval of AOD and its uncertainty from MISR observations over dark water. Atmos. Meas. Tech., 11, 429-439, doi:10.5194/amt-11-429-2018.
  7. M. L. Witek, D. J. Diner, and M. J. Garay (2016): Satelite assessment of sea spray aerosol productivity: Southern Ocean case study. J. Geophys. Res. Atmos., 121, doi:10.1002/2015JD023726.
  8. J. Han, M. L. Witek, J. Teixeira, R. Sun, H.-L. Pan, J. K. Fletcher, C. S. Bretherton (2015), Implementation in the NCEP GFS of a hybrid eddy-diffusivity mass-flux (EDMF) boundary layer parameterization with dissipative heating and modified stable boundary layer mixing, Weather and Forecasting, doi:10.1175/WAF-D-15-0053.1.
  9. M. L. Witek, M. J. Garay, D. J. Diner, and A. Smirnov (2013): Aerosol optical depths over oceans: A view from MISR retrievals and collocated MAN and AERONET in situ observations. J. Geophys. Res. Atmos., 118, 1–14, doi:10.1002/2013JD020393.
  10. Markowicz, K. M. and M. L. Witek (2011): Sensitivity study of the global contrails radiative forcing due to particle shape. J. Geophys. Res. Atmos., 116, D23203, doi:10.1029/2011JD016345.
  11. Witek, M. L., J. Teixeira, and G. Matheou (2011): An eddy-diffusivity/mass-flux approach to the vertical transport of turbulent kinetic energy in convective boundary layers. Journal of Atmospheric Sciences, 68 (10), 2385–2394, doi:10.1175/JAS-D-11-06.1.
  12. Markowicz, K. M. and M. L. Witek (2011): Simulations of contrails optical properties and radiative forcing for various crystal shapes. Journal of Applied Meteorology and Climatology, 50, 1740–1755, doi:10.1175/2011JAMC2618.1.
  13. Witek, M. L., J. Teixeira, and G. Matheou (2011): An integrated TKE based eddy-diffusivity/mass-flux boundary layer scheme for the dry convective boundary layer. Journal of Atmospheric Sciences, 68, 1526–1540, doi:10.1175/2011JAS3548.1.
  14. Witek, M. L., P. J. Flatau, J. Teixeira, and K. M. Markowicz (2011): Numerical investigation of sea salt aerosol size bin partitioning in global transport models: Implications for mass budget and optical depth. Aerosols Science and Technology, 45, 401–414, doi:10.1080/02786826.2010.541957.
  15. Maciszewska A. E., K. M. Markowicz, and M. L. Witek (2010): A multiyear analysis of aerosol optical thickness over Europe and Central Poland using NAAPS model simulations. Acta Geophysica, 58 (6), 1147–1163, doi:10.2478/s11600-010-0034-5.
  16. Witek, M. L., J. Teixeira, and P. J. Flatau (2008): On stable and explicit numerical methods for the advection-diffusion equation. Math. Comp. Simul., 79 (3), 561–570, doi:10.1016/j.matcom.2008.03.001.
  17. Markowicz, K. M., P. J. Flatau, J. Remiszewska, M. L. Witek, E. A. Reid, J. S. Reid, A. Bucholtz, and B. Holben (2008): Observations and modeling of the surface aerosol radiative forcing during the UAE2 experiment. Journal of Atmospheric Sciences, 65 (9), 2877–2891, doi:10.1175/2007JAS2555.1.
  18. Witek, M. L., P. J. Flatau, J. Teixeira, and D. L. Westphal (2007): Coupling an ocean wave model with a global aerosol transport model: a sea salt aerosol parameterization perspective. Geophys. Res. Lett., 34, L14806, doi:10.1029/2007GL030106.
  19. Witek, M. L., P. J. Flatau, P. K. Quinn, and D. L. Westphal (2007): Global sea-salt modeling: Results and validation against multicampaign shipboard measurements. J. Geophys. Res., 112, D08215, doi:10.1029/2006JD007779.
  20. Remiszewska, J., P. J. Flatau, K. M. Markowicz, E. A. Reid, J. S. Reid, and M. L. Witek (2007): Modulation of the aerosol absorption and single-scattering albedo due to synoptic scale and sea breeze circulations – United Arab Emirates experiment perspective. J. Geophys. Res. Atmos., 112, D05204, doi:10.1029/2006JD007139.
  21. Wells, K. C, M. L. Witek, P. J. Flatau, S. M. Kreidenweis, and D. L. Westphal (2007): An analysis of seasonal surface dust aerosol concentrations in the western US (2001–2004): Observations and model predictions. Atmos. Environ., 41, 6585–6597, doi:10.1016/j.atmosenv.2007.04.034.