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Evidence for the role of the diabatic heating in synoptic scale processes: a case study example
Título : Evidence for the role of the diabatic heating in synoptic scale processes: a case study example
Autor : Martín Pérez, María Luisa; Luna Rico, Yolanda; Valero Rodríguez, Francisco
Palabras clave : Diabatic heating; Synoptic scale processes; Precipitation forecasts; Parametrization
Fecha de publicación : 1997
Editor: European Geosciences Union
Citación : Annales Geophysicae. 1997, 15(4), p. 487-493
Versión del editor: http://dx.doi.org/10.1007/s00585-997-0487-2
Resumen : The quasigeostrophic theory is used to address the role of diabatic forcing in synoptic scale processes over Iberia. A parametrization of diabatic heating is obtained in terms of a thermodynamic variable called the ice-liquid water potential temperature which is conservative under all phase changes of water. A case study objectively selected by means of a rotated principal component analysis over the diabatic field is analyzed to test the proposed parametrization. This study highlights the fact that the magnitudes of diabatic forcing and dynamic forcing are very nearly the same throughout the troposphere. The results also show that the composite diabatic heating is a better representation for both cloudiness and precipitation fields than the dynamic forcing.
URI : http://hdl.handle.net/20.500.11765/6572
ISSN : 0992-7689
1432-0576
Colecciones: Artículos científicos 1995-1999


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