Pulina, Maria Antonia (1997) Caratterizzazione dell'aridità in Sardegna attraverso l'uso dei diagrammi ombrotermici. Bollettino della Società sarda di scienze naturali, Vol. 31 (1996/97), p. 1-16. ISSN 0392-6710. Article.
The definitions, given by Bagnouls and Gaussen in the construction of ombrothermic diagrams, are used in order to study dryness in Sardinia. The analysis is carried in five thermopluviometric stations with different geographic and topoclimatic features, over a period of 62 years from 1926 to 1990. There are changes of the duration of dry period. These changes may be very important for climatic classification and from bioclimatological point of view. Moreover the variability of dryness is studied by means of the analysis of frequencies of dry months. Finally a comparison between the results coming from frequencies analysis and the information obtained by the ombrothermic diagrams is carried out in order to try a statistical modelisation of their relation.
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