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| TROPICAL AND SUB-TROPICAL WEST AFRICA - MARINE AND CONTINENTAL CHANGES DURING THE LATE QUATERNARY, 10
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By
P. Giresse, University of Perpignan, France
Included in series
Developments in Quaternary Sciences,
Description
West Africa and the eastern Atlantic stretching from Mauritania in the north to Namibia in the south offer a large latitudinal stretch
incorporating nearly symmetrical climatic gradients from the Equator. On the time scale of Quaternary Glacial and Interglacial cycles,
today, we possess well-documented and recently published marine sedimentary records showing changes in oceanic and atmospheric circulations
and terrestrial fluxes. Deep-sea sediment records contain a wide range of palaeoenvironmental indicators like oxygen and carbon isotopes,
alkenones, foraminiferal and other planktonic assemblages over time periods up to and greater than 125,000 years. These are signals of
temperature and circulation shifts and allow Interglacial and Glacial comparisons on a regional and inter-hemispheric scale. However,
this effort to synthesize the existing knowledge cannot yet aspire to a global modelling. Linking with terrestrial records, albeit spatially
patchy and generally lacking a firm chronology, this book points to shorter time scale chronologies from lakes, marshes and river deposits.
Diverse and not very wellknown literature, both French and English, is reported here. Lastly, the book records recent knowledge of the
first steps of human occupation of frequently hostile environments and considers the environmental impact of ancient and modern societies.
Audience
geologists, quaternary geologists
Contents
Part A. Present Terrestrial Environments. 1. Geologial and morphologial setting. 2. Climatic mechanisms and climates. 3. Present vegetation
of tropical West Africa. 4. Present fluxes of suspended and dissolved matter in rivers. Part B. Present Oceanic environment. 1. Atlantic
ocean circulation - Leakage with climate fluctuations. 2. Suspended matter and particle fluxes in the Eastern Gulf of Guinea. 3. Present
oceanic deposition. Part C. 1. Changes deduced from stable oxygen and carbon isotopes and from alkenones in deep sea sediments. 2. Changed
deduced from markers of surface ocean productivity. 3. Changes deduced from pollen. 4. Changed deduced from atmospheric dust transport.
5. Changed deduced from deposition processes. Part D. 1. Sea level fluctuation on the Atlantic coast of Africa during the past 125,000.
2. Successive continental shelf sedimentation related to climatic and sea level changes. Part E. Terrestrial evidence of late quaternay
changes. 1. Records in lake deposits. 2. Pedological and geomorphological processes and their palaeoenvironmental significance. Part
F. Climatic evolution and human presence. 1. Lithic artifact dating and environmental context. 2. Landscape and human development implication.
3. Anthropic action and global change.
| Bibliographic details |
Hardbound, 406 pages, publication date: NOV-2007
ISBN-13: 978-0-444-52984-8
ISBN-10: 0-444-52984-5
Imprint: ELSEVIER
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| Price and Ordering |
Price:
USD 270
GBP 167
EUR 196.95
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Last update: 5 Sep 2009
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