PSD Staff List  »  Maximilian Maahn
Maximilian Maahn – Postdoctoral Research Associate
Image of Maximilian Maahn
Polar Observations and Processes Team
Affiliation: CIRES
Phone: (303) 497-3675
E-mail: maximilian.maahn@noaa.gov
Mailing Address:
NOAA/ESRL Physical Sciences Division
R/PSDN
325 Broadway
Boulder, CO 80305

Fax: (303) 497-6101

Research Interests

  • Remote Sensing
  • Cloud Physics
  • Polar Regions
  • Retrieval Development

Education

  • Ph.D., (Dr. rer. nat.), Meteorology, University of Cologne, Germany, Jan 2015, kups.ub.uni-koeln.de/6002.
  • M.Sc., Meteorology, Bonn University, Germany, Nov 2010

Service

  • Associate Editor: Journal of Applied Meteorology and Climatology
  • Reviewer: Atmospheric Chemistry and Physics, Atmospheric Measurement Techniques, Earth and Space Science, Journal of the Atmospheric Sciences, Journal of Geophysical Research
  • Conference Program Committee Member: AMS 38th Conference on Radar Meteorology 2017, 9th European Conference on Radar in Meteorology 2016

Software

Publications

Acquistapace, C., S. Kneifel, U. Löhnert, P. Kollias, M. Maahn, and M. Bauer-Pfundstein, 2016: Optimizing observations of drizzle onset with millimeter-wavelength radars. Atmos. Meas. Tech., in review, http://dx.doi.org/10.5194/amt-2016-315.
Bühl, J., A. Simon, S. Crewell, A. Heymsfield, H. Kalesse, A. P. Khain, M. Maahn, M. Wendisch, and K. Van Tricht, 2016: Remote Sensing. AMS Monograph Ice Formation and Evolution in Clouds and Precipitation: Measurement and Modeling Challenges, in review.
Maahn, M., and U. Löhnert, 2016: Potential of higher-order moments and slopes of the radar Doppler spectrum for retrieving microphysical and kinematic properties of Arctic ice clouds. J. Appl. Meteor. Climatol., in press, http://dx.doi.org/10.1175/JAMC-D-16-0020.1.
Kneifel, S., P. Kollias, A. Battaglia, J. Leinonen, M. Maahn, H. Kalesse, and F. Tridon, 2016: First observations of triple-frequency radar Doppler spectra in snowfall: Interpretation and applications. Geophys. Res. Lett., 2015GL067618, http://dx.doi.org/10.1002/2015GL067618.
Löhnert, U., J. H. Schween, C. Acquistapace, K. Ebell, M. Maahn, M. Barrera-Verdejo, A. Hirsikko, B. Bohn, A. Knaps, E. O’Connor, C. Simmer, A. Wahner, and S. Crewell, 2015: JOYCE: Jülich Observatory for Cloud Evolution. Bull. Amer. Meteor. Soc., 96, 1157–1174, http://dx.doi.org/10.1175/BAMS-D-14-00105.1.
Gorodetskaya, I. V., S. Kneifel, M. Maahn, K. Van Tricht, W. Thiery, J. H. Schween, A. Mangold, S. Crewell, and N. P. M. Van Lipzig, 2015: Cloud and precipitation properties from ground-based remote-sensing instruments in East Antarctica. The Cryosphere, 9, 285–304, http://dx.doi.org/10.5194/tc-9-285-2015.
Maahn, M., U. Löhnert, P. Kollias, R. C. Jackson, and G. M. McFarquhar, 2015: Developing and Evaluating Ice Cloud Parameterizations for Forward Modeling of Radar Moments Using In Situ Aircraft Observations. J. Atmos. Oceanic Technol., 32, 880–903, http://dx.doi.org/10.1175/JTECH-D-14-00112.1.
Maahn, M., C. Burgard, S. Crewell, I. V. Gorodetskaya, S. Kneifel, S. Lhermitte, K. Van Tricht, and N. P. M. van Lipzig, 2014: How does the spaceborne radar blind zone affect derived surface snowfall statistics in polar regions? J. Geophys. Res. Atmos., 119, 13604–13620, http://dx.doi.org/10.1002/2014JD022079.
Maahn, M., and P. Kollias, 2012: Improved Micro Rain Radar snow measurements using Doppler spectra post-processing. Atmos. Meas. Tech., 5, 2661–2673, http://dx.doi.org/10.5194/amt-5-2661-2012.
Kneifel, S., M. Maahn, G. Peters, and C. Simmer, 2011: Observation of snowfall with a low-power FM-CW K-band radar (Micro Rain Radar). Meteorol. Atmos. Phys., 113, 75–87, http://dx.doi.org/10.1007/s00703-011-0142-z.

Talks

Maahn, M., G. de Boer, J. Creamean, W. Wu, and G. M. McFarquhar, 2017: Investigating the impact of anthropogenic pollution on cloud properties at the North Slope of Alaska. 97th American Meteorological Society Annual Meeting, Seattle, WA.
Maahn, M., and U. Löhnert, 2016: Potential of Higher Moments of the Radar Doppler Spectrum for Studying Ice Clouds. ARM/ASR Joint User Facility PI Meeting, Vienna, VA, USA.
Maahn, M., 2016: How to simulate a radar observation? Atmospheric Radiation Science Workshop, Boulder, CO, USA.
Maahn, M., and U. Löhnert, 2015: Potential of Higher Moments of the Radar Doppler Spectrum for Studying Ice Clouds. AGU Fall Meeting, San Francisco, CA, USA.
Maahn, M., 2015: Using vertically pointing Doppler radar to study clouds (and precipitation). Invited seminar talk at Cooperative Institute for Research in Environmental Sciences, Boulder, CO, USA.
Maahn, M., C. Burgard, S. Crewell, I. V. Gorodetskaya, S. Kneifel, S. Lhermitte, K. Van Tricht, and N. Van Lipzig, 2015: Investigating the impact of space-born radar blind zone on surface snowfall statistics in polar regions. IUGG General Assembly, Prague, Czech Republic.
Maahn, M., U. Löhnert, P. Kollias, R. C. Jackson, and G. McFarquhar, 2015: Potential of Higher Moments for Ice Cloud Observations. ARM/ASR Joint User Facility PI Meeting, Vienna, VA, USA.
Maahn, M., C. Burgard, S. Crewell, I. V. Gorodetskaya, S. Kneifel, S. Lhermitte, K. Van Tricht, and N. Van Lipzig, 2014: Investigating the impact of space-born radar blind zone on surface snowfall statistics in polar regions. ESA Workshop on Novel Mission Concepts for Snow and Cryosphere Research, Noordwijk, the Netherlands.
Maahn, M., 2014: Higher Moments of the Doppler Spectrum. MIRA Millimetre Cloud Radar Workshop, Munic, Germany.
Maahn, M., U. Löhnert, and P. Kollias, 2014: Evaluierung von Eiswolken-Parametrisierungen mittels höheren Radarmomenten. DPG-Frühjahrstagung, Berlin, Germany.
Rémillard, J., and M. Maahn, 2014: The workings of a radar spectrum simulator and its use to evaluate LES. Atmospheric System Research (ASR) 2014 Science Team Meeting, Cloud Radar workshop, Bolger Conference Center, Potomac, MD, USA.
Maahn, M., U. Löhnert, S. Kneifel, and P. Kollias, 2013: Combining ground-based active and passive microwave instruments for remote sensing of ice and mixed phase cloud properties. Davos Atmosphere and Cryosphere Assembly DACA-13, Davos, Switzerland.
Maahn, M., P. Kollias, S. Kneifel, M. Hagen, and K. Schmidt, 2012: Measuring snow with a low-power K-band radar (Micro Rain Radar) at the Schneefernerhaus. 2. UFS Symposium, Oberpfaffenhofen, Germany.
Maahn, M., P. Kollias, S. Kneifel, I. V. Gorodetskaya, G. Peters, and C. Simmer, 2012: Measuring snow with a low-power K-band radar (Micro Rain Radar) at high latitudes. ERAD European Radar Conference, Toulouse, France.
Maahn, M., S. Kneifel, C. Simmer, G. Peters, S. Crewell, and U. Löhnert, 2010: Potenzial eines kompakten Ka-Band Radars (MRR) zur Messung von Schneefall. DACH Meteorologentagung, Bonn, Germany.

Poster

Maahn, M., G. de Boer, J. Creamean, W. Wu, and G. M. McFarquhar, 2016: Investigating the impact of anthropogenic pollution on cloud properties at the North Slope of Alaska. AGU Fall Meeting, San Francisco, CA, USA.
Maahn, M., and U. Löhnert, 2016: Potential of higher order moments of the radar Doppler spectrum for retrieving microphysical and kinematic properties of Arctic ice clouds. 17th International Conference on Clouds & Precipitation, Manchester, UK.
Maahn, M., and U. Löhnert, 2016: Potential of higher order moments of the radar Doppler spectrum for retrieving microphysical and kinematic properties of Arctic ice clouds. CIRES 2016 Rendezvous, Boulder, CO, USA.
Maahn, M., C. Burgard, S. Crewell, I. V. Gorodetskaya, S. Kneifel, S. Lhermitte, K. Van Tricht, and N. Van Lipzig, 2016: Investigating the impact of space-born radar blind zone on surface snowfall statistics in polar regions. 2016 EGU General Assembly, Vienna, Austria.
Maahn, M., and U. Löhnert, 2016: Potential of higher order moments of the radar Doppler spectrum for retrieving microphysical and kinematic properties of Arctic ice clouds. ARM/ASR Joint User Facility PI Meeting, Vienna, VA, USA.
Maahn, M., U. Löhnert, P. Kollias, R. Jackson, and G. M. McFarquhar, 2015: Using higher radar moments to study ice clouds with vertically pointing cloud radars. ARM/ASR Joint User Facility PI Meeting, Vienna, VA, USA.
Maahn, M., U. Löhnert, and P. Kollias, 2014: Using higher radar moments to study ice clouds. ERAD  European Radar Conference, Garmisch-Partenkirchen, Germany.
Maahn, M., U. Löhnert, and P. Kollias, 2014: Evaluation of ice cloud parametrisations using higher radar moments. Atmospheric System Research (ASR) 2014 Science Team Meeting, Potomac, MD, USA.
Maahn, M., and U. Löhnert, 2013: Using Higher Radar Moments for Observing Ice Clouds (Sensitivity Study). Fourth International Workshop on Space-based Snowfall Measurement, Mammoth Mountains, CA, USA.

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