I-n-Atei palaeolake documents past environmental changes in central Sahara at the time of the “Green Sahara”: Charcoal, carbon isotope and diatom records
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- 作者：Christophe Lé ; cuyera ; 1 ; clecuyer@univ-lyon1.fr" class="auth_mail" title="E-mail the corresponding author ; Anne-Marie Lé ; zineb ; Franç ; ois Fourela ; Franç ; oise Gassec ; 2 ; Florence Sylvestrec ; Christine Paillesc ; Christophe Grenierd ; Yves Travie ; Abel Barrala
- 关键词：Sahara ; Holocene ; Climate ; Lake ; Charcoal ; Carbon isotope
- 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：441
- 期：part_P4
- 页码：834-844
- 全文大小：1519 K
文摘
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I-n-Atei sediments, South Algeria, record land cover change during the Holocene.
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The site was a lake from 11 to 7.4 ka then it dried out and left place to swamps.
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The δ13C of charcoals suggest that C3 plants were replaced by C4.
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Global climate change in Sahara is related to the Atlantic monsoon influence.