Climate changes in Northeastern Brazil from deglacial to Meghalayan periods and related environmental impacts

G Utida, FW Cruz, RV Santos, AO Sawakuchi… - Quaternary Science …, 2020 - Elsevier
Abstract Changes in insolation driven by precession and obliquity are considered the major
driver of tropical precipitation on orbital time scales, and responsible for vegetation and …

A new mechanism for millennial scale positive precipitation anomalies over tropical South America

MC Campos, CM Chiessi, M Prange, S Mulitza… - Quaternary Science …, 2019 - Elsevier
Continental and marine paleoclimate archives from northwestern and northeastern South
America recorded positive precipitation anomalies during Heinrich Stadials (HS). These …

Weaker Atlantic overturning circulation increases the vulnerability of northern Amazon forests

TK Akabane, CM Chiessi, M Hirota, I Bouimetarhan… - Nature …, 2024 - nature.com
The Atlantic meridional overturning circulation (AMOC) and the Amazon forest are viewed as
connected tip** elements in a warming climate system. If global warming exceeds a …

Rainfall and sea level drove the expansion of seasonally flooded habitats and associated bird populations across Amazonia

AO Sawakuchi, ED Schultz, FN Pupim… - Nature …, 2022 - nature.com
Spatial arrangement of distinct Amazonian environments through time and its effect on
specialized biota remain poorly known, fueling long-lasting debates about drivers of biotic …

Luminescence of quartz and feldspar fingerprints provenance and correlates with the source area denudation in the Amazon River basin

AO Sawakuchi, M Jain, TD Mineli, L Nogueira… - Earth and Planetary …, 2018 - Elsevier
The Amazon region hosts the world's largest watershed spanning from high elevation
Andean terrains to lowland cratonic shield areas in tropical South America. This study …

Onset and termination of Heinrich Stadial 4 and the underlying climate dynamics

H Cheng, Y Xu, X Dong, J Zhao, H Li, J Baker… - … Earth & Environment, 2021 - nature.com
Heinrich Stadial 4 during the last glacial period was marked by severe cooling at northern
high latitudes along with the attendant changes in Asian Monsoon (Chinese Stadial 4) and …

Beyond Refugia: New insights on Quaternary climate variation and the evolution of biotic diversity in tropical South America

PA Baker, SC Fritz, DS Battisti, CW Dick… - … : Patterns and processes, 2020 - Springer
Abstract Haffer's (Science 165: 131–137, 1969) Pleistocene refuge theory has provided
motivation for 50 years of investigation into the connections between climate, biome …

Climate, vegetation, and fire, during the last deglaciation in northwestern Amazonia

A Blaus, MN Nascimento, LC Peterson… - Quaternary science …, 2024 - Elsevier
The magnitude of change in climatic conditions and vegetation response to the last
deglaciation in various parts of tropical Amazonia is poorly understood and controversial …

Mid‐to late Holocene contraction of the Intertropical Convergence Zone over northeastern South America

CM Chiessi, S Mulitza, NK Taniguchi… - Paleoceanography …, 2021 - Wiley Online Library
Modern precipitation over northeastern (NE) South America is strongly controlled by the
seasonal meridional migration of the Intertropical Convergence Zone (ITCZ). Ample …

Millennial‐to orbital‐scale responses of western equatorial Atlantic thermocline depth to changes in the trade wind system since the last interglacial

IM Venancio, S Mulitza, A Govin… - Paleoceanography …, 2018 - Wiley Online Library
Surface ocean circulation in the western equatorial Atlantic is mainly wind driven and plays
a major role for the transport of warm waters to the North Atlantic. Past changes in the …