Oxygène-18, deutérium et chlorures dan les précipitations à Garoua (Nord-Cameroun); implications météorologiques  [Oxygen-18, deuterium and chloride in precipitation at Garoua (northern Cameroon); weather implications]

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Alternate Title:Oxygen-18, deuterium and chloride in precipitation at Garoua (northern Cameroon); weather implications
Authors:Njitchoua, R.; Aranyossy, J. F.; Fontes, J. C.; Michelot, J. L.; Naah, E.; Zuppi, G. M.
Author Affiliations:Primary:
Université Paris-Sud, Laboratoire Hydrologie Géochimie Isotopique, Orsay, France
Other:
Agence Nationale Gestion Déchets Radioactifs, France
Volume Title:Comptes Rendus de l'Académie des Sciences, Série II. Sciences de la Terre et des Planètes
Source:Comptes Rendus de l'Académie des Sciences, Série II. Sciences de la Terre et des Planètes, 321(16), p.853-860. Publisher: Elsevier, Paris, France. ISSN: 1251-8050
Publication Date:1995
Note:In French
Summary:Several rain samples collected in 1991 and 1992 rainy seasons at Garoua, N Cameroon, have been analysed for their 18O, 2H and Cl contents. The isotopic composition of precipitation depends mainly on the origin of air masses, and on the T at which the precipitation occurs in relation with the altitude of condensation of the atmospheric vapour. The distribution of Cl- in rainwater provides useful information about the degree of emptying in the vapour reservoir and, consequently, about the rate of migration of air masses induced by the continental migration of the Inter-Tropical Convergence Zone. [M.L.]
Subjects:Atmospheric precipitation; Chloride ion; Chlorides; Chlorine; Composition; Condensation; Deuterium; Halides; Halogens; Hydrogen; Intertropical convergence zone; Isotopes; Meteorology; O-18; Oxygen; Rain; Stable isotopes; Temperature; Africa; Cameroon; West Africa; Garoua Cameroon
Abstract Numbers:96M/3293
Record ID:2016102311
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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