Alternate Atlantic forest and climate phases during the early Pleistocene 41 kyr cycles in southeastern Brazil

PA Rodríguez-Zorro, MP Ledru, C Favier, E Bard… - Quaternary Science …, 2022 - Elsevier
The early Pleistocene was driven by 41 kyr glacial cycles that have been rarely
characterized in continental records, especially in South America. Most of long-term records …

Centennial-scale variations in the carbon cycle enhanced by high obliquity

E Legrain, E Capron, L Menviel, A Wohleber… - Nature …, 2024 - nature.com
Centennial-scale increases of atmospheric carbon dioxide, known as carbon dioxide jumps,
are identified during deglacial, glacial and interglacial periods and linked to the Northern …

Using multi‐homolog plant‐wax carbon isotope compositions to reconstruct tropical vegetation types

C Häggi, DJ Bertassoli Jr, TK Akabane… - Journal of …, 2024 - Wiley Online Library
The stable carbon isotope composition (δ13C) of plant components such as plant wax
biomarkers is an important tool for reconstructing past vegetation. Plant wax δ13C is mainly …

Links between precipitation patterns over eastern tropical South America and productivity in the western tropical South Atlantic Ocean during the last deglacial

AK Martins, KGD Kochhann, CM Chiessi… - Quaternary …, 2023 - Elsevier
The possibility of a collapse (or marked weakening) of the Atlantic Meridional Overturning
Circulation (AMOC) within a few centuries boosted the interest of the scientific community on …

Tropical environmental change in North Sumatra at the Last Glacial Maximum: Evidence from the stable isotope composition of cave guano

R McCarthy, R Hamdi, MI Bird, CM Wurster - Palaeogeography …, 2022 - Elsevier
Abstract Insular Southeast Asia is of critical importance to global biodiversity, climate, and
socioeconomics. Past environmental histories are a crucial factor influencing contemporary …

Response of vegetation to hydroclimate changes in northeast Brazil over the last 130 kyrs

P Piacsek, H Behling, NM Stríkis, JM Ballalai… - Palaeogeography …, 2022 - Elsevier
In this paper, we use palynology and geochemical proxies to reconstruct late Quaternary
vegetation changes within the hydrographic basin of Parnaíba, Northeast Brazil, over the …

Vegetation and fire responses to late Quaternary climate changes in the neotropics: a palynological and microcharcoal approach

TK Akabane - 2024 - teses.usp.br
During the Quaternary, long-(orbital) and short-(millennial) term climate fluctuations
produced extensive environmental changes in the Neotropics. Understanding the …