Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Climatic change recorded in the sediments of the Chew Bahir basin, southern Ethiopia, during the last 45,000 years
Quaternary International, Volume 274, Year 2012
Notification
URL copied to clipboard!
Description
East African paleoenvironments are highly variable, marked by extreme fluctuations in moisture availability, which has far-reaching implications for the origin, evolution and dispersal of Homo sapiens in and beyond the region. This paper presents results from a pilot core from the Chew Bahir basin in southern Ethiopia that records the climatic history of the past 45 ka, with emphasis on the African Humid Period (AHP, ∼15-5 ka calBP). Geochemical, physical and biological indicators show that Chew Bahir responded to climatic fluctuations on millennial to centennial timescales, and to the precessional cycle, since the Last Glacial Maximum. Potassium content of the sediment appears to be a reliable proxy for aridity, showing that Chew Bahir reacted to the insolation-controlled humidity increase of the AHP with a remarkably abrupt onset and a gradual termination, framing a sharply defined arid phase (∼12.8-11.6 ka calBP) corresponding to the Younger Dryas chronozone. The Chew Bahir record correlates well with low- and high-latitude paleoclimate records, demonstrating that the site responded to regional and global climate changes. © 2012 Elsevier Ltd and INQUA.
Authors & Co-Authors
Foerster, Verena E.
Germany, Koln
Universität zu Köln
Junginger, Annett
Germany, Potsdam
Universität Potsdam
Langkamp, Oliver
Germany, Koln
Universität zu Köln
Gebru, Tsige
Germany, Koln
Universität zu Köln
Asrat, Asfawossen
Ethiopia, Addis Ababa
Addis Ababa University
Umer, Mohammed M.
Ethiopia, Addis Ababa
Addis Ababa University
Lamb, Henry F.
United Kingdom, Aberystwyth
Aberystwyth University
Wennrich, Volker
Germany, Koln
Institute for Geology and Mineralogy
Rethemeyer, Janet
Germany, Koln
Institute for Geology and Mineralogy
Nowaczyk, Norbert
Germany, Potsdam
Deutsches Geoforschungszentrum Gfz
Trauth, Martin H.
Germany, Potsdam
Universität Potsdam
Schaebitz, Frank
Germany, Koln
Universität zu Köln
Statistics
Citations: 127
Authors: 12
Affiliations: 6
Identifiers
Doi:
10.1016/j.quaint.2012.06.028
ISSN:
10406182
Research Areas
Environmental
Study Locations
Ethiopia