Tableau 4
Ruptures chronologiques des indices d’extrêmes pluviométriques sur la période 1961-1990. Chronological breakpoints of the extreme rainfall indices on the period 1961-1990.
Postes pluviométriques | P10 | P20 | P50 | P95p | P99p |
---|---|---|---|---|---|
Zone sahélienne | |||||
Barsalogho | 1963; 1978*** | 1976***; 1978 | - | 1964; 1969* | 1964 |
Bourzanga | 1978* | - | - | 1978 | - |
Tougouri | 1974* | - | - | - | - |
Zone soudano-sahélienne | |||||
Boulsa | 1968 | - | - | 1965 | - |
Kaya | 1976*** | 1966 | - | - | - |
Kongoussi | 1976* | - | - | - | - |
Korsimoro | 1970*** | 1967 | - | - | - |
Mané | 1965 | 1967* | 1964 | 1964 | 1964 |
Tikaré | 1963 | 1966* | 1963 | 1963 | 1963 |
Les signes * et *** signifient que la rupture est respectivement significative à 90 et 99% selon le résultat du test de Pettitt (1979). The signs * and *** mean that the breakpoint is respectively significant to 90 and 99% according the result of Pettitt test ((1979).
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