Stochastic downscaling of LAM predictions: an example in the Mediterranean area

In the absence of a full deterministic modelling of small-scale rainfall, it is common practice to resort to the use of stochastic downscaling models to generate ensemble rainfall predictions to be used as inputs to rainfall-runoff models. Here we present an application of a novel spatial-temporal d...

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Bibliographic Details
Published inAdvances in geosciences Vol. 2; no. 2; pp. 181 - 185
Main Authors Rebora, N., Ferraris, L., von Hardenberg, J., Provenzale, A.
Format Journal Article
LanguageEnglish
Published Copernicus GmbH 30.05.2005
European Geosciences Union
Copernicus Publications
Subjects
Earth Sciences
Sciences of the Universe
MED
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Summary:In the absence of a full deterministic modelling of small-scale rainfall, it is common practice to resort to the use of stochastic downscaling models to generate ensemble rainfall predictions to be used as inputs to rainfall-runoff models. Here we present an application of a novel spatial-temporal downscaling procedure based on a non-linear transformation of a linearly correlated (gaussian) field. This procedure allows for reproducing the scaling properties (if any) of the rainfall pattern and it can be easily linked with meteorological forecasts produced by limited area meteorological models.
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ISSN:1680-7359
1680-7340
1680-7359
DOI:10.5194/adgeo-2-181-2005