Mixing in the stratosphere and near the tropopause

  1. Intensity of stratospheric mixing derived from satellite (CRISTA), in situ observations (ER-2), and CLaMS simulations

    References:

    1. McKenna, D. S., Konopka, P, Grooss, J.-U., Günther, Müller, R., Spang, R., Offermann, D., Orsolini, Y., A new Chemical Lagrangian Model of the Stratosphere (CLaMS):

      Part I Formulation of Advection and Mixing, J. Geophys. Res. , Vol. 107, NO. D16,10.1029/2000JD000114 , 2002 => PDF-File

    2. Part II Formulation of Chemistry Scheme and Initialization, J. Geophys. Res. , Vol. 107, NO. D15,10.1029/2000JD000113 , 2002 => PDF-File

    3. Konopka P., Grooss, J.-U. , Günther G., Müller R., McKenna D., Elkins J., Fahey D., Popp P., Weak impact of mixing on chlorine deactivation during SOLVE/THESEO-2000: Lagrangian modeling (CLaMS) versus ER-2 in situ observations, J. Geophys. Res., Vol. 108, NO. D15, doi:10.1029/2001JD000876 , 2003 => PDF-File
    4. Konopka P., Grooss J.-U., Bausch S., Müller R., McKenna D.S., Morgenstern, O., Orsolini Y. Dynamics and chemistry of vortex remnants in late Arctic spring 1997 and 2000: Simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) Atmos. Chem. Phys. , 3, 839-849, 2003 => PDF-File
    5. Konopka P., Steinhorst, H.-M.,Grooss, J.-U. , Günther G., Müller R., Elkins J., Jost H.-J., Richard E., Schmidt U., Toon G., McKenna D., Mixing and Ozone Loss in the 1999-2000 Arctic Vortex: Simulations with the 3-dimensional Chemical Lagrangian Model of the Stratosphere (CLaMS) J. Geophys. Res., Vol. 109, NO. D2, doi:10.1029/2003JD003792, 2004 => PDF-File
    6. Konopka P., ,Grooss, J.-U., Steinhorst, H.-M., Hoppel, K., Müller R., Mixing and chemical ozone loss during and after the Antarctic polar vortex major warming in September 2002 J. Atmos. Sci., Vol. 62, 860-870, doi:10.1175/JAS-3329.1, 2005 => PDF-File
    7. Konopka, P., Günther, G., McKenna, D., Müller, R., Offermann, D., Spang, R., Riese M., How homogeneous and isotrop is stratospheric mixing ?: CRISTA-1 observations versus transport studies with the Chemical Lagrangian Model of the Stratosphere (CLaMS) Q. J. R. Meteorol. Soc. , Vol. 131, 565-579, doi:10.1256/QJ.04.47, 2005
    8. => PDF-File
  2. Estimate of diffusion parameters near the tropopause derived from the dispersion of aircraft exhaust plumes and Large Eddy Simulations

    References:

    1. Schumann U., Konopka P., Baumann R., Busen R., Gerz T., Schlager H., Schulte P., and Volkert H., Estimate of diffusion parameters of aircraft exhaust plumes near the tropopause from nitric oxide and turbulence measurements, J. Geophys. Res. 100, 14.147-14.162, 1995 => PostScript-File
    2. Schlager, H. Konopka, P. Schulte, P. Schumann, U. Ziereis, H. Arnold, F. Klemm, M. Hagen, D. Whitefield, P. Ovalez, J., In situ observations of aircraft emission signatures in the North Atlantic flight corridor, J. Geophys. Res. 102, 10.739-10.750, 1997
    3. Konopka, P., Spatial and temporal variability of NOx increase from aviation emissions in the North Atlantic flight corridor, POLINAT-Report, 1998 => PostScript-File
    4. Konopka P., Schumann U., A simple estimate of the concentration field in a flight corridor, in Schumann, U. and D. Wurzel, editors, Impact of Emissions from Aircraft and Spacecraft upon the Atmosphere, Proc. of an Intern. Sci. Colloqium, Köln, Germany, April 18-20, DLR-Mitt. 94-06, 354-359, 1994 => PostScript-File
    5. Gerz, T., Dürbeck, T., Konopka, P. Transport and effective diffusion of aircraft emissions, J. Geophys. Res., 103, 25,905-25,913, 1998
  3. Analytical Gaussian solutions for anisotropic diffusion in a linear shear flow

    References:

    1. P. Konopka - Analytical Gaussian solutions for anisotropic diffusion in a linear shear flow J. Non-Equilib. Thermodyn, 20, 92-101, 1995 => PostScript-File

email-address.

P.Konopka@fz-juelich.de