Dr. habil Thomas Frisius

Participating Researcher
CliSAP, Universität Hamburg

Universität Hamburg, CliSAP
Meteorological Institute
Room 311
Grindelberg 5
20144 Hamburg
Tel.: +49 40 42838 5068
E-mail: thomas.frisiusdummy@uni-hamburgdummy2.de

Research interests

  • Tropical cyclones
  • Ocean circulation,
  • Atmospheric Dynamics
  • Baroclinic Waves
  • Dynamical Systems

Frisius, T., and M. Lee, 2016: The impact of gradient wind imbalance on tropical cyclone intensification within Ooyama’s three-layer model. Journal of the Atmospheric Sciences, in press

Frisius, T. , 2015: What controls the size of a tropical cyclone? Investigations with an axisymmetric model. Quarterly Journal of the Royal Meteorological Society, 141, 2457-2470. doi:10.1002/qj.2537.

Schönemann, D., and T. Frisius, T., 2014: Dynamical system properties of an axisymmetric convective tropical cyclone model. Tellus Series A - Dynamic Meteorology and Oceanography, 66, 22456. doi:10.3402/tellusa.v66.22456.

Frisius, T., 2014: On the hypothetical utilization of atmospheric potential energy. Meteorologische Zeitschrift, 23, 263-267. doi:10.1127/0941-2948/2014/0538.

Frisius, T., D. Schönemann, and J. Vigh, 2013: The impact of gradient wind imbalance on potential intensity of tropical cyclones in an unbalanced slab boundary layer model. Journal of the Atmospheric Sciences, 70, 1874-1890. doi:10.1175/JAS-D-12-0160.1.

Frisius, T., and D. Schönemann, 2012: An extended model for the potential intensity of tropical cyclones. Journal of the Atmospheric Sciences, 69, 641-661. doi:10.1175/JAS-D-11-064.1.

Schönemann, D., and T. Frisius, 2012: Dynamical system analysis of a low-order tropical cyclone model. Tellus Series A - Dynamic Meteorology and Oceanography, 64, 15817. doi:10.3402/tellusa.v64i0.15817.

Espa, S., I. Bordi, T. Frisius, K. Fraedrich, A. Cenedese, and A. Sutera, A., 2012: Zonal jets and cyclone-anticyclone asymmetry in decaying rotating turbulence: laboratory experiments and numerical simulations. Geophysical and Astrophysical Fluid Dynamics, 106, 557-573. doi:10.1080/03091929.2011.637301.

Pelkowski, J., and T. Frisius, 2011: The Theoretician's Clouds-Heavier or Lighter than Air? On Densities in Atmospheric Thermodynamics. Journal of the Atmospheric Sciences, 68, 2430-2437. doi:10.1175/JAS-D-11-085.1.

Frisius, T., and T. Hasselbeck, 2009: The effect of latent cooling processes in tropical cyclone simulations. Quarterly Journal of the Royal Meteorological Society, 135, 1732-1749. doi:10.1002/qj.495.

Frisius, T., K. Fraedrich, X. Zhu, and W. Wang, 2009: A spectral barotropic model of the wind-driven world ocean. Ocean Modelling, 30, 310-322. doi:10.1016/j.ocemod.2009.07.008

Frisius, T., 2006: Surface-flux-induced tropical cyclogenesis within an axisymmetric atmospheric balanced model. Quarterly Journal of the Royal Meteorological Society, 132, 2605-2626. doi: 10.1256/qj.06.03

Wacker, U., T. Frisius, and F. Herbert, 2006: Evaporation and precipitation surface effects in local mass continuity laws of moist air. Journal of the Atmospheric Sciences, 63, 2642-2652. doi: 10.1175/JAS3754.1

Frisius, T., 2005: A balanced model of an axisymmetric vortex with zero potential vorticity. Tellus Series A - Dynamic Meteorology and Oceanography, 57, 55-64. doi: 10.1111/j.1600-0870.2005.00089.x

Frisius, T., 2003: On the development of a cyclone-anticyclone asymmetry within a growing baroclinic wave. Journal of the Atmospheric Sciences, 60, 2887-2906. doi: 10.1175/1520-0469(2003)060<2887:TDOACA>2.0.CO;2

Fraedrich, K., and T. Frisius, 2001: Two-level primitive equation baroclinic instability on an f-plane. Quart. J. Roy. Meteor. Soc., 127, 2053-2068. doi: 10.1002/qj.49712757611

Frisius, T., 1999: A simple model for the baroclinic life cycle of meridionally elongated eddies in uniform shear. Journal of the Atmospheric Sciences, 56, 3508-3519. doi: 10.1175/1520-0469(1999)056<3508:ASMFTB>2.0.CO;2

Frisius, T., 1998: A mechanism for the barotropic equilibration of baroclinic waves. Journal of the Atmospheric Sciences, 55, 2918-2936.doi: 10.1175/1520-0469(1998)055<2918:AMFTBE>2.0.CO;2

Frisius, T., F. Lunkeit, K. Fraedrich, and I. N. James, 1998: Storm-track organization and variability in a simplified atmospheric global circulation model. Quarterly Journal of the Royal Meteorological Society, 124, 1019-1043. doi: 10.1002/qj.49712454802

Courses

  • Conceptual models of complex systems: Development, application and analysis [Summer term]

           1 Introduction
           2 Mathematical foundations
           3 Model development

  • Praktische Einführung in die Progammierung von globalen Wettervorhersagemodellen [Winter term]

           1 Einleitung
           2 Grundgleichungen des globalen Atmosphärenmodells und Näherung
           3 Transformation der Vertikalkoordinate
           4 Horizontale Diskretisierung, Anwendung auf die isentrope Atmosphäre
           5 Zeitintegrationsverfahren, numerische Stabilität
           6 Numerische Filterung: Polfilter, Diffusion und Lärmfilter
           7 Wettervorhersage und Vorhersagbarkeit
           8 Temperatur als inaktive Feldgröße
           9 Vertikale Diskretisierung