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Catchment classification: multivariate statistical analyses for physiographic similarity in the Upper Niger Basin

Chaibou Begou, J.;  Bazie, P.; Afouda, A.

JamilatouChaibouBegouInt. Journal of Engineering Research and Applications. www.ijera.com ISSN: 2248-9622, Vol. 5, Issue 9, (Part-1) September 2015, pp.60-68
The objective of this study was to determine physiographic similarity, as indicator of hydrologic similarity between catchments located in the Upper Niger Basin, and to derive the dominant factors controlling each group singularity. Results showed a clear distribution into 2 major clusters: a group of easterly flat catchments and another of westerly hilly catchments. This nomenclature came from the interpretation of the main factors, topography and longitude, that seem to control the most important variability between both clusters. In addition, the hilly catchments were designated to be dominated by forest and ACRISOL soil type, two additional drivers of similarity. Read the full article HERE

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