NP1 Scaling, multifractals and nonlinear variability in geophysics .4 Scaling, multifractals and nonlinear variability in atmospheric and oceanographic fields and energy fluxes I (co-sponsored by OA) Convener: Schmitt, F. Co-Convener(s): Friedrich, R.; Kramm, G. Tuesday, 20 April 1999 Lecture Room: Paulus Potterzaal 1 Chairperson: N.N. 14:30 DUROURE, C.; FANTODJI, P.C.; FAURE, T.; GUILLEMET, B.; PEJOUX, R. Artificial anisotropy of AVHRR and LANDSAT cloud satellites images 14:45 CARVALHO, L.M.V.; RICKENBACH, T. Identification of mesoscale convective system evolution from fractal properties of infrared cloud features verified with radar reflectivity 15:00 SZCZAP, F.; GOUR, Y.; ISAKA, H. Wavalet analysis of clouds inhomogeneity effects on their radiative properties 15:15 IVANOVA, K.; AUSLOOS, M.; DAVIS, A.; ACKERMAN, T. Atmospheric data analysis with the I-variability diagram method 15:30 GAONACH, H.; LOVEJOY, S.; SCHERTZER, D.; ARMAND, K.ST.; STIX, J. Direct measurement of the elliptical dimension of atmospheric dynamics using remote sensing of volcanic SO2 gas 15:45 PFEILSTICKER, K. Levy flights and the cloudy sky absorption of solar radiation 16:00 TUCK, A.F.; HOVDE, S.J. The Hurst exponent and calipers measures applied to in situ aricraft observations in the lower stratosphere and upper troposphere 16:15 YANOVSKY, V.V.; BARYAKHTAR, V.G.; GONCHAR, V.YU.; SCHERTZER, D.; TUR, A.V. Anomal diffusion and the structure of pollutions 16:30 BREAK Chairperson: N.N. 17:00 HONCHAROVA, L.D.; SHKOLNY, E.P. The periodical components of the wind velocity in the troposphere and stratosphere in the west hemisphere 17:15 BOURUET-ABERTOT, P.; SOMMERIA, J. Intermittency associated with internal gravity wave breaking 17:30 MULLEN, C.P.; MALEK-MADANI, R. A streamfunction model of a meandering jet 17:45 KRAMM, G. On the netropy budget of microturbulent systems 18:00 SCHERTZER, D.; LARCHEVEQUE, M.; MARSAN, D.; LOVEJOY, S. Multifractal processes and Galilean invariance 18:15 OBREGON, N.; PUENTE, C.E. A platonic approach to intermittency in turbulence 18:30 LÜCK, ST.; PEINKE, J.; FRIEDRICH, R. On the statistics of unisotropic wake turbulence 18:45 SEURONT, L.; SCHMITT, F.; LAGADEUC, Y.; SCHERTZER, D. Space-time structure of a turbulent coastal ecosystem: a multifractal approach 19:00 END OF PART I NP1 Scaling, multifractals and nonlinear variability in geophysics .4 Scaling, multifractals and nonlinear variability in atmospheric and oceanographic fields and energy fluxes II (co-sponsored by OA) Convener: Schmitt, F. Co-Convener(s): Friedrich, R.; Kramm, G. Wednesday, 21 April 1999 Lecture Room: Paulus Potterzaal 1 Chairperson: N.N. 09:00 SCHMITT, F.; MARSAN, D. Fractional ARIMA properties of 1D universal multifractals and predictability 09:15 VAN DAM, G.C. Spectral characteristics of velocity variations in the North Sea derived from a large set of dye experiments at scales from a few millimetres to a few hundred kilometres, applied in a model for dispersion simulation and risk assessment, based on synthetic eddy fields 09:30 IERACI, L.; LOVEJOY, S.; SCHERTZER, D. Multifractal biodiversity 09:45 END OF SUB-SESSION