An Explanation of the Black Color of River Nyong Water’s and Associated Alluviums (Cameroon)


The River Nyong is situated in Akonolinga (central-south of Cameroon). In order to search for raw materials in ceramic use, samples of alluvium obtained from the deposits in the Nyong River clays have been studied. The results obtained show that, the samples contain important quantity of organic matter and the soil is acidic .These two parameters are necessary to understand the origin of the characteristic color of alluvium and water of the River Nyong.

Share and Cite:

Philippe, S. , Toussaints, C. and Veronique, K. (2015) An Explanation of the Black Color of River Nyong Water’s and Associated Alluviums (Cameroon). International Journal of Geosciences, 6, 388-392. doi: 10.4236/ijg.2015.64030.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] Ndam, J. (1997) Bilans hydrogéochimiques sous forêt tropical aux réseaux hydrographiques du Nyong et de la Sanaga au Sud Cameroun. Th. Doc., Univ. Pierre et marie Curie, Paris, 214 p.
[2] Bineli, E. (2009) Impact de la variabilité climatique sur les ressources en eau du bassin du Nyong. Mém. DEA. FAC. Sc. UYI., 82 p.
[3] Samba, A. (2008) Caractérisation géotechnique des argiles alluvionnaires de la vallée du Nyong dans la région d’Akonolinga. Press CAMES, Série A, 11 p.
[4] Meyim, D. (2000) Effet des diverses jachères sur l’évolution de la fertilité d’un sol ferralitique des environs de Yaoundé (Cameroun). Mém. DEA. Fac. Sc Univ Ydé I, 60 p.
[5] Evans, C. and Kamparath, E. (1970) Lime Response and Related to Percent Aluminium Saturation, Solution Al and Organic Matter Content. Soil Science Society of America, Proceedings, 34, 893-896.
[6] Enyegue, A. (2012) Fertilité et aptitudes culturales des sols de SA’A développés sur micaschistes grénatifères. Mem. DIPES II. ENS: UYI., 75 p.
[7] Voundi Nkana, J. (1998) Utilisation des déchets de l’industrie du bois en vue de l’amélioration de la fertilité chimique des sols acides tropicaux. Th. Doct., 3ème cycle, IRAD, 202 p.
[8] Davis, J. and Milligan, M. (2011) Why Is Bear Lake So Blue? Public Information Series 96, Utah Geological Survey, 10.
[9] Pope, R.M. and Fry, E.S. (1996) Absorption Spectrum (380 - 700 nm) of Pure Water. II. Integrating Cavity Measurements. Applied Optics, 36, 8710-8723.
[10] Hoge, F., Vodacek, A., Swift, R., Yungel, J. and Blough, N. (1995) Inherent Optical Properties of the Ocean: Retrieval of the Absorption Coefficient of Chromophoric Dissolved Organic Matter from Airborne Laser Spectral Fluorescence Measurements. Applied Optics, 34, 7032-7038.
[11] Janzen, D. (1974) Tropical Blackwater Rivers, Animals, and Mast Fruiting by the Dipterocarpaceae. Biotropica, 6, 69-103.
[12] Sioli, H. (1975) Tropical Rivers as Expressions of Their Terrestrial Environments. In: Tropical Ecological Systems/ Trends in Terrestrial and Aquatic Research, Springer-Verlag, New York City, 275-288.
[13] Duncan, W. and Fernandes, M. (2010) Physicochemical Characterization of the White, Black, and Clearwater Rivers of the Amazon Basin and Its Implications on the Distribution of Freshwater Stingrays (Chondrichthyes, Potamotrygonidae). PanamJAS, 5, 454-464.

Copyright © 2023 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.