Browsing Quaternary Environmental Change Group by Author "Marshall, Michael H."

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Browsing Quaternary Environmental Change Group by Author "Marshall, Michael H."

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  • Climatic change in northern Ethiopia during the past 17,000 years: a diatom and stable isotope record from Lake Ashenge 
    Marshall, Michael H.; Lamb, Henry F.; Davies, Sarah J.; Leng, Melanie J.; Kubsa, Zelalem; Umer, Mohammed; Bryant, Charlotte (2009-08-01)
    Lake Ashenge, a closed-basin lake near the northernmost penetration of summer monsoon rains, is well placed to provide a continental record of past changes in the strength of the African monsoon system. Diatom and oxygen ...
  • A Complete Terrestrial Radiocarbon Record for 11.2 to 52.8 kyr B.P. 
    Ramsey, Christopher Bronk; Staff, Richard A.; Bryant, Charlotte L.; Brock, Fiona; Kitagawa, Hiroyuki; van der Plicht, Johannes; Schlolaut, Gorden; Marshall, Michael H.; Brauer, Achim; Lamb, Henry; Payne, Rebecca L.; Tarasov, Pavel E.; Haraguchi, Tsuyoshi; Gotanda, Katsuya; Yonenobu, Hitoshi; Yokoyama, Yusuke; Tada, Ryuji; Nakagawa, Takeshi (2012-10-19)
    Radiocarbon (14C) provides a way to date material that contains carbon with an age up to ~50,000 years and is also an important tracer of the global carbon cycle. However, the lack of a comprehensive record reflecting ...
  • Late Pleistocene desiccation of Lake Tana, source of the Blue Nile 
    Lamb, Henry F.; Bates, C. Richard; Marshall, Michael H.; Coombes, P. (Elsevier, 2007-02)
    High-resolution seismic data from Lake Tana, the source of the Blue Nile in northern Ethiopia, reveal a deep sedimentary sequence divided by four strong reflectors. Data from nearshore cores show that the uppermost strong ...
  • Late Pleistocene desiccation of Lake Tana, source of the Blue Nile 
    Lamb, Henry F.; Bates, C. Richard; Coombes, Paul V.; Marshall, Michael H.; Umer, Mohammed; Davies, Sarah J.; Dejen, Eshete (2007-02-01)
    High-resolution seismic data from Lake Tana, the source of the Blue Nile in northern Ethiopia, reveal a deep sedimentary sequence divided by four strong reflectors. Data from nearshore cores show that the uppermost strong ...

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