Evidence map›Paper›PMID 38714681›Full record

ArticleNature communications2024

Early warning signals of the termination of the African Humid Period(s).

Martin H Trauth, Asfawossen Asrat, Markus L Fischer, Peter O Hopcroft, Verena Foerster, Stefanie Kaboth-Bahr, Karin Kindermann, Henry F Lamb, Norbert Marwan, Mark A Maslin and 2 more

Abstract read
In one paragraph

Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Martin H TrauthUniversity of Potsdam, Institute of Geosciences, Potsdam, Germany. trauth@uni-potsdam.de.ORCID http://orcid.org/0000-0001-5164-7267
Asfawossen AsratBotswana University of Science and Technology, Department of Mining and Geological Engineering, Palapye, Botswana.
Markus L FischerUniversity of Potsdam, Institute of Geosciences, Potsdam, Germany.ORCID http://orcid.org/0000-0001-9493-4450
Peter O HopcroftUniversity of Birmingham, School of Geography, Earth & Environmental Sciences, Birmingham, United Kingdom.ORCID http://orcid.org/0000-0003-3694-9181
Verena FoersterUniversity of Cologne, Institute of Geography Education, Cologne, Germany.ORCID http://orcid.org/0000-0002-3480-5769
Stefanie Kaboth-BahrFreie Universität Berlin, Institute of Geological Sciences, Berlin, Germany.
Karin KindermannUniversity of Cologne, Institute of Prehistoric Archaeology, Cologne, Germany.
Henry F LambAberystwyth University, Department of Geography and Earth Sciences, Aberystwyth, UK.ORCID http://orcid.org/0000-0003-0025-0766
Norbert MarwanPotsdam Institute for Climate Impact Research, Member of the Leibniz Association, Potsdam, Germany.ORCID http://orcid.org/0000-0003-1437-7039
Mark A MaslinUniversity College London, Geography Department, London, UK.ORCID http://orcid.org/0000-0001-9957-3463
Frank SchaebitzUniversity of Cologne, Institute of Geography Education, Cologne, Germany.
Paul J ValdesUniversity of Bristol, Bristol Research Initiative for the Dynamic Global Environment, School of Geographical Sciences, Bristol, UK.ORCID http://orcid.org/0000-0002-1902-3283

Funding

Deutsche Forschungsgemeinschaft (German Research Foundation) CRC 806Deutsche Forschungsgemeinschaft (German Research Foundation) SCHA 472/13 and /18Deutsche Forschungsgemeinschaft (German Research Foundation) TR 419/8, /10 and /16
6 · The paper itself

Abstract

The transition from a humid green Sahara to today's hyperarid conditions in northern Africa ~5.5 thousand years ago shows the dramatic environmental change to which human societies were exposed and had to adapt to. In this work, we show that in the 620,000-year environmental record from the Chew Bahir basin in the southern Ethiopian Rift, with its decadal resolution, this one thousand year long transition is particularly well documented, along with 20-80 year long droughts, recurring every ~160 years, as possible early warnings. Together with events of extreme wetness at the end of the transition, these droughts form a pronounced climate "flickering", which can be simulated in climate models and is also present in earlier climate transitions in the Chew Bahir environmental record, indicating that transitions with flickering are characteristic of this region.

Identifiers

PMID38714681
PMCPMC11076281

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.