Climatic change in Africa in the last 20,000 years / Grove, A. T.

Public ISBD Titre : Climatic change in Africa in the last 20,000 years Type de document : texte imprimé Auteurs : Grove, A. T. Mention d'édition : Institut de Géographie/Université d'Alger Editeur : Institut de Géographie/Université d'Alger Année de publication : 1972 ISBN/ISSN/EAN : CI-04961 Note générale : Two main problemes arise in tracing the history of climatic change in Africa, firstly translating the geological or other evidence into climate terms and secondly dating the events involved. Carbon 14 dating provides an opportunity to solve the latter problem for the last 40,000 years, though it must be recognied that the materials dated and from differences between isotopic and absolute dates. In this paper it is shown that certain regularities emerge, in large areas of the continent experiencing simiar shifts in climate at about the same times in the periods of radio-carbon dating and of instrumental records. This is not to say that there are any regular periodicities. Langues : Français (fre) Mots-clés : Oscillation climatique  Météorologie  Climatologie  PRECIPITATIONS Index. décimale : 551.6 Climatologie et temps Résumé : Two main problemes arise in tracing the history of climatic change in Africa, firstly translating the geological or other evidence into climate terms and secondly dating the events involved. Carbon 14 dating provides an opportunity to solve the latter problem for the last 40,000 years, though it must be recognied that the materials dated and from differences between isotopic and absolute dates. In this paper it is shown that certain regularities emerge, in large areas of the continent experiencing simiar shifts in climate at about the same times in the periods of radio-carbon dating and of instrumental records. This is not to say that there are any regular periodicities. Note de contenu : Two main problemes arise in tracing the history of climatic change in Africa, firstly translating the geological or other evidence into climate terms and secondly dating the events involved. Carbon 14 dating provides an opportunity to solve the latter problem for the last 40,000 years, though it must be recognied that the materials dated and from differences between isotopic and absolute dates. In this paper it is shown that certain regularities emerge, in large areas of the continent experiencing simiar shifts in climate at about the same times in the periods of radio-carbon dating and of instrumental records. This is not to say that there are any regular periodicities. Climatic change in Africa in the last 20,000 years [texte imprimé] / Grove, A. T.  . -  Institut de Géographie/Université d'Alger . - Institut de Géographie/Université d'Alger, 1972. ISSN : CI-04961 Two main problemes arise in tracing the history of climatic change in Africa, firstly translating the geological or other evidence into climate terms and secondly dating the events involved. Carbon 14 dating provides an opportunity to solve the latter problem for the last 40,000 years, though it must be recognied that the materials dated and from differences between isotopic and absolute dates. In this paper it is shown that certain regularities emerge, in large areas of the continent experiencing simiar shifts in climate at about the same times in the periods of radio-carbon dating and of instrumental records. This is not to say that there are any regular periodicities. Langues : Français (fre) Mots-clés : Oscillation climatique  Météorologie  Climatologie  PRECIPITATIONS Index. décimale : 551.6 Climatologie et temps Résumé : Two main problemes arise in tracing the history of climatic change in Africa, firstly translating the geological or other evidence into climate terms and secondly dating the events involved. Carbon 14 dating provides an opportunity to solve the latter problem for the last 40,000 years, though it must be recognied that the materials dated and from differences between isotopic and absolute dates. In this paper it is shown that certain regularities emerge, in large areas of the continent experiencing simiar shifts in climate at about the same times in the periods of radio-carbon dating and of instrumental records. This is not to say that there are any regular periodicities. Note de contenu : Two main problemes arise in tracing the history of climatic change in Africa, firstly translating the geological or other evidence into climate terms and secondly dating the events involved. Carbon 14 dating provides an opportunity to solve the latter problem for the last 40,000 years, though it must be recognied that the materials dated and from differences between isotopic and absolute dates. In this paper it is shown that certain regularities emerge, in large areas of the continent experiencing simiar shifts in climate at about the same times in the periods of radio-carbon dating and of instrumental records. This is not to say that there are any regular periodicities.

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