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(Article of periodic en Anglais - 1990)

Document title

Defining homogeneous precipitation regions by means of principal components analysis

Authors(s) and Affiliation(s)

MALLANTS D. ; FEYEN J. ;

Abstract

The spatial patterns of precipitation over the IJzer watershed (in western Belgium and northern France) are investigated for three years : 1973 (dry), 1977 (wet), and 1978 (average). Analyses were performed using daily precipitation data for the three years together and for the three years separately. The first principal component explains most of the variance (about 75 %) and is uniformly distributed over the whole region. Higher-order components delineate subregions of consistent rainfall. No essential difference in pattern in the three years occurs between the first four components. The components patterns seem to express maritime and topographic effects, and form a basis for dividing the IJzer catchment into four coherent subregions. - (Les AA.)

Source

Article of periodic

published at : Journal of climate and applied meteorology / ISSN 0733-3021

Editor : American Meteorological Society, Boston, MA - ETATS-UNIS (1983- 1987)

Millesime : 1990, vol. 29, no9 [pp. 892-901]

Language

Anglais

INIST-CNRS, Cote INIST : 9644

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 1992.
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