Space‐time scaling in high‐intensity Tropical Ocean Global Atmosphere Coupled Ocean‐Atmosphere Response Experiment (TOGA‐COARE) storms
作者： Roberto Deidda , Maria Grazia Badas , Enrico Piga
DOI: 10.1029/2003WR002574
关键词: Scaling 、 Storm 、 Precipitation 、 Atmospheric sciences 、 Mathematical geophysics 、 Climatology 、 Environmental science 、 Atmosphere 、 Multifractal system 、 Scale invariance 、 Downscaling
摘要: Received 8 August 2003; accepted 23 October published 17 February 2004. [1] A scale-invariance analysis of rainfall retrieved during the Tropical Ocean Global Atmosphere Coupled Ocean-Atmosphere Response Experiment (TOGA-COARE) campaign is discussed. As already found in previous Atmospheric Research Program (GARP) Atlantic (GATE) data set, these new analyses high-intensity storms confirm evidence scale invariance under selfsimilar space-time transformations. simple interpretation this selfsimilarity accounting for hierarchical organization precipitation patterns proposed. Finally, a downscaling model based on log-Poisson generator calibrated results multifractal and applied to generation synthetic fields, reproducing observed statistical properties over wide range space scales timescales. INDEX TERMS: 1854 Hydrology: Precipitation (3354); 3250 Mathematical Geophysics: Fractals multifractals; 3354 Meteorology Dynamics: (1854); 1869 Stochastic processes; KEYWORDS: rainfall, scaling processes Citation: Deidda, R., M. G. Badas, E. Piga (2004), Space-time storms, Water Resour. Res., 40, W02506,
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