Comparing carbonate and organic AMS-14C ages in Lake Abiyata sediments (Ethiopia): Hydrochemistry and paleoenvironmental implications

Radiocarbon

Volumn 41, Issue 3, 1999, Pages 271-286

  Gibert, Elisabeth ^a   Travi, Yves ^b   Massault, Marc ^a   Chernet, Tesfaye ^b   Barbecot, Florent ^a   Laggoun Defarge, Fatima ^c  

^a CNRS   (France)

^b UNIVERSITY OF AVIGNON   (France)

^c UNIVERSITÉ D'ORLÉANS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CARBONATE SEDIMENT; HYDROCHEMISTRY; ORGANIC MATTER; PALEOENVIRONMENT; RADIOCARBON DATING;

ETHIOPIA; LAKE ABIYATA;

EID: 0033504504     PISSN: 00338222     EISSN: None     Source Type: Journal    
DOI: 10.1017/S0033822200057131     Document Type: Article

References (31)

1. Ball JW, Nordstrom DK. 1991. User's manual for WATEQ4F, with revised thermodynamic database and test cases for calculating speciation of major, trace, and redox elements in natural waters. United States Geological Survey Open File Report 91-183.
2. Bonnefille R, Robert C, Delibrias G, Elenga H, Herbin J-P, Lezine A-M, Perinet G, Tiercelin J-J. 1986. Paleenvironement of Lake Abijata, Ethiopia, during the past 2000 years. In: Frostik LE, Reid I, Renaut RW, Tiercelin J-J, editors. Sedimentation in African Rifts, Geological Society Special Publication 25:253-65.
3. Colman SM, Jones GA, Rubin M, King JW, Peck JA, Orem WH. 1996. AMS radiocarbon analyses from Lake Baikal, Siberia: Challenges of dating sediments from a large, oligotrophic lake. Quaternary Geochronology (Quaternary Science Reviews) 15:20-35.
4. Chernet T. 1998. Etude des mécanismes de minéralisation en fluorure et éléments associés de la région des lacs du rift éthiopien [dissertation]. Avignon, France: 215 p.
5. Chernet T, Travi Y, Valles V. 1999. Geochemistry of water of the East African Rift: mechanism of degradation of the quality of natural waters in the lake region of the Ethiopian Rift. Water Research. Forthcoming.
6. Durand A, Fontes J-Ch, Gasse F, Icole M, Lang J. 1984. Le nord-ouest du Lac Tchad au Quaternaire: étude de paléoenvironnements alluviaux, éoliens, palustres et lacustres. Palaeoecology of Africa (and the Surrounding Islands) 16:215-243.
7. Fontes, J-Ch, Gasse F. 1991. PAHLYDAF (Palaeohydrology in Africa: objectives, methods and major results). Palaeogeography, Palaeoclimatology, Palaeoecology 84:191-215.
8. 14C and Th/U ages on continental carbonates. Radiocarbon 34(3):602-10.
9. Fontes J-Ch, Mélières F, Gibert E, Liu Qing, Gasse F. 1993. Stable isotope and radiocarbon balances of two tibetan lakes (Sumxi Co and Longmu Co) from 13,000 BP. Quaternary Science Review 12:875-87.
10. Fontes J-Ch, Gasse F, Gibert E. 1996. Holocene environmental changes in Bangong basin (western Tibet). Part 1: modern setting, mineralogy, stable isotope of carbonates and radiometric chronology. Palaeogeography, Palaeoclimatology, Palaeoecology 120:25-47.
11. Gasse F, Street FA. 1978. Late Quaternary lake-level fluctuations and environments of the northern Rift Valley and Afra region (Ethiopia and Djibouti). Palaeogeography, Palaeoclimatology, Palaeoecology 24:279-325.
12. Gasse F, Arnold M, Fontes J-Ch, Fort M, Gibert E, Hue A, Yuanfang L, Liu Q, Melieres F, Van Campo E, Fubao W, Qingsong Z. 1990. A 13,000 yr climatic record from western Tibet (Xizang, China). Nature 353:742-45.
13. 14C reservoir effect in lakes. Radiocarbon 40(2):921-31.
14. Gillespie R, Street-Perrott A, Switsur R. 1983. Post-glacial arid episodes in Ethiopia have implications for climate prediction. Nature 306:680-3.
15. Johnson TC. 1989. Sedimentary processes and signals of past climatic change in the large lakes of the East African Rift Valley. In: Johnson TC, Odada E, editors. The Limnology, Climatology and Paleoclimatology of the East African Lakes. The Netherlands: Gordon and Breach Publishers, p 367-412.
16. Le Turdu C, Tiercelin J-J, Gibert E, Travi Y, Richert J-P, Gasse F, Bonnefille R, Gensous B, Jeudy V, Lezzar KE, Chernet T, Endale T, Umer M, Decobert M. 1999. The Ziway-Shala basin system, Main Ethiopian Rift, East Africa. Mechanisms of basin formation and sediment accumulation. Implications for a lake drilling project. Palaeogeography, Palaeoclimatology, Palaeoecology 150:135-77.
17. Levin I, Bossinger R, Bonani G, Francey RJ, Kromer B, Münnich KO, Suter M, Trivett NBA, Wölfli W. 1992. Radiocarbon in atmospheric carbon dioxide and methane: global distribution and trends. In: Taylor RE, Long A, Kra RS, editors. Radiocarbon after four decades. Berlin: Springer-Verlag, p 503-18.
18. 14C in the atmosphere. Radiocarbon 22(2):379-91.
19. Libby WF, Anderson EC, Arnold JR. 1949. Age determination by Radiocarbon content: world-wide assay of natural radiocarbon. Science 109:227-8.
20. Nicholson SE. 1996. A review of climate dynamics and climate variability in eastern Africa. In: Johnson TC, Odada E, editors. The limnology, climatology and paleociimatology of the east African lakes. The Netherlands: Gordon and Breach Publishers, p 25-56.
21. Rozanski K, Araguas-Araguas L, Gonfiantini R. 1996. Isotope patterns of precipitation in the east African region. In: Johnson TC, Odada E, editors. The limnology, climatology and paleoclimatology of the east African lakes. The Netherlands: Gordon and Breach Publishers. p 79-93.
22. 14C du carbone au cours des processes naturels. International Journal of Applcation in Radiation and isotopes 35(1):55-62.
23. Street FA. 1981. Chronology of Late Paleistocene and Holocene lake-level fluctuations, Ziway-Shala Basin, Ethiopia. In: Leakey RE, Ogot BA, editors. Proceedings of the 8th Panafrican congress of prehistory and Quaternary studies. 1977 Sept 5-10; Nairobi, Kenya, p 143-6.
24. Stuiver M, Kra RS. 1986. Calibration issue. Radiocarbon 28(2B):805-1030.
25. 14C age calibration program. Radiocarbon 31(1):215-30.
26. Talbot MR, Kelts K. 1986. Primary and diagenetic carbonates in the anoxic sediments of lake Bosumtwi, Ghana. Geology 14:912-6.
27. Talbot MR, Livingstone DA. 1989. Hydrogen index and carbon isotopes of lacustrine organic matter as lake level indicators. Palaeogeography, Palaeoclimatology, Palaeoecology 70:121-37.
28. Talbot MR, Johannessen T. 1993. A high resolution palaeoclimatic record for the last 27,500 years in tropical West Africa from the carbon and nitrogen isotopic composition of lacustrine organic matter. Earth and Planetary Science Letter 110:23-37.
29. Travi Y, Chernet T, Gibert E. 1997. Study of hydrological behaviour of the Lake Region in the Ethiopian Rift, using hydrological, hydrochemical and isotopic data: palaeohydrological implications. Symposium on Volcanism, Rifting et Paléoclimats dans le Rift Ethiopien et la Dépression de l'Afar. 1997 Feb 3-16; Addis-Ababa, Ethiopia, p 36.
30. Valles V, de Cockborn A-M. 1992. Elaboration d'un logiciel de geoxchimie applique a l'étude de la qualite des eaux (AQUA Programme). Colloque Alteration et Restauration des Eaux Continentales, 1992 Oct 27-30: Port Leucate, France, p 27-30.
31. Webb T III, Ruddiman WF, Street-Perrott FA, Markgraf V, Kutzbach JE, Bartlein PJ, Wright HE Jr, Prell W. 1993. Climate changes during the past 18,000 years: regional syntheses, mechanisms, and causes. In: Wright HE Jr, editor. Global climate since the last Glacial Maximum. University of Minnesota Press. 569 p.