(Article of periodic en Français - 1979)

Document title

Ordres de grandeur des systèmes de circulation atmosphérique et explication des climats: l'exemple de l'Inde

Authors(s) and Affiliation(s)



Scale and order of magnitude problems are as important for the explanation of climatic features as they are for their description. The summer atmospheric circulation over India may be analysed and divided into four sub-systems of decreasing order of magnitude. They combine with geographic patterns and relief features among which three orders of magnitude may be distinguished. Circulations of each dimension play their own part in the explanation of the distribution and rhythm of summer rainfall. Their relations, between themselves and with geographic patterns, bring out three different regional combinations (viz. West coast, interior and South-East, North-East). In every case the origin of rainfall, as well as its distribution according to time and space, obey to different mechanisms.


Article of periodic

published at : L'espace géographique Paris

Editor :

Millesime : 1979, vol. 8, no1 [pp. 15-23]



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