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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Temporal Variability of Annual Rainfall in the Macta and Tafna Catchments, Northwestern Algeria
Water Resources Management, Volume 24, No. 14, Year 2010
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Description
We analyzed the temporal variability of annual precipitation measured at five stations in the Macta (14,380 km2) and Tafna (4,949 km2) catchments located in northwestern Algeria, in connection with climate indices over the 1950-2004 period. Analysis of the temporal variability using linear regression and Pettitt test revealed a significant decline in annual rainfall in the mid-1970s in both basins. Furthermore, a decrease of at least 20% of total annual rainfall is also observed at all five stations. As for the relationship between climate indices and variability of annual precipitation, canonical correlation analysis shows that, from 1950 to 2004, precipitation at the five stations are negatively correlated with NINO4 and, to a lesser degree, with NAO. © 2010 Springer Science+Business Media B.V.
Authors & Co-Authors
Meddi, Mohamed Mohamed
Algeria, Blida
École Nationale Supérieure D’hyraulique de Blida
Assani, Ali Arkamose
Canada, Trois-rivieres
Université du Québec à Trois-rivières
Meddi, Hind
Algeria, Blida
École Nationale Supérieure D’hyraulique de Blida
Statistics
Citations: 108
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1007/s11269-010-9635-7
ISSN:
09204741
Study Approach
Quantitative
Study Locations
Algeria