ArticleProceedings of the National Academy of Sciences of the United States of America2018
South American monsoon response to iceberg discharge in the North Atlantic.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Article
- Rapid warming in South America during the last deglaciation.Nature communications · 2026Article
- Centennial-scale intensifications of the Atlantic Meridional Overturning Circulation during Heinrich Stadial 1.Nature communications · 2026Article
- Article
- A contracting Intertropical Convergence Zone during the Early Heinrich Stadial 1.Nature communications · 2023Article
- Article
- Article
- The PaleoJump database for abrupt transitions in past climates.Scientific reports · 2023Article
- Hydroclimate variability in the Caribbean during North Atlantic Heinrich cooling events (H8 and H9).Scientific reports · 2022Article
- Coupled atmosphere-ice-ocean dynamics during Heinrich Stadial 2.Nature communications · 2022Article
- High- and low-latitude forcings drive Atacama Desert rainfall variations over the past 16,000 years.Science advances · 2021Article
- Elevated dust depositions in West Asia linked to ocean-atmosphere shifts during North Atlantic cold events.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Shut down of the South American summer monsoon during the penultimate glacial.Scientific reports · 2020Article
- Brazilian montane rainforest expansion induced by Heinrich Stadial 1 event.Scientific reports · 2019Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heinrich Stadials significantly affected tropical precipitation through changes in the interhemispheric temperature gradient as a result of abrupt cooling in the North Atlantic. Here, we focus on changes in South American monsoon precipitation during Heinrich Stadials using a suite of speleothem records covering the last 85 ky B.P. from eastern South America. We document the response of South American monsoon precipitation to episodes of extensive iceberg discharge, which is distinct from the response to the cooling episodes that precede the main phase of ice-rafted detritus deposition. Our results demonstrate that iceberg discharge in the western subtropical North Atlantic led to an abrupt increase in monsoon precipitation over eastern South America. Our findings of an enhanced Southern Hemisphere monsoon, coeval with the iceberg discharge into the North Atlantic, are consistent with the observed abrupt increase in atmospheric methane concentrations during Heinrich Stadials.
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