Landscape and climate changes in southeastern Amazonia from Quaternary records of upland lakes

JTF Guimarães, PK Sahoo, PWM e Souza-Filho… - Atmosphere, 2023 - mdpi.com
The upland lakes (ULs) in Carajás, southeastern Amazonia, have been extensively studied
with respect to their high-resolution structural geology, geomorphology, stratigraphy …

Paleoenvironmental dynamics in South Amazonia, Brazil, during the last 35,000 years inferred from pollen and geochemical records of Lago do Saci

D Fontes, RC Cordeiro, GS Martins, H Behling… - Quaternary Science …, 2017 - Elsevier
Paleoenvironmental changes for the last 35,000 years were reconstructed from
palynological, sedimentological and organic geochemical evidence from a well-dated …

Hydroclimate and vegetation changes in southeastern Amazonia over the past∼ 25,000 years

LS Reis, I Bouloubassi, M Mendez-Millan… - Quaternary Science …, 2022 - Elsevier
Stable isotope analysis of plant waxes (δ 13 C wax and δD wax) along with detailed pollen
data provide a new perspective on vegetation and precipitation variability in Serra Sul de …

Mercury in multimedia system of Itacaiúnas Basin, Brazilian Amazon: An integrated approach to understand its distribution, origin, and ecological risk

PK Sahoo, R Dall'Agnol, GN Salomão… - Environmental …, 2023 - Elsevier
This study presents the first integrated study on total Hg (THg) level in surface soil (SS),
bottom soil (BS), stream sediments (SD), lake sediments (LS), stream water (SW), and lake …

Chemical weathering characteristics of the Late Cretaceous Nenjiang Formation from the Songliao Basin (Northeastern China) reveal prominent Milankovitch band …

X Li, Y Huang, Z Zhang, C Wang - Palaeogeography, Palaeoclimatology …, 2022 - Elsevier
Abstract The Songliao Basin (SLB) in Northeast China has a succession of terrestrial
sedimentary deposits that span much of the Cretaceous. The sedimentary records recovered …

Statistical analysis of lake sediment geochemical data for understanding surface geological factors and processes: An example from Amazonian upland lakes, Brazil

PK Sahoo, JTF Guimarães, PWM Souza-Filho… - Catena, 2019 - Elsevier
Statistical evaluation applied to geochemical data of upland lake sediments and their
catchment basins rocks from Serra dos Carajás was used to identify geochemical signatures …

Environmental and vegetation changes in southeastern Amazonia during the late Pleistocene and Holocene

LS Reis, JTF Guimarães, PWM Souza-Filho… - Quaternary …, 2017 - Elsevier
New insights about climate conditions and their effect on vegetation and lakes of
southeastern Amazonia were achieved over the last 50 cal ka using recent data obtained …

Geochemistry of upland lacustrine sediments from Serra dos Carajás, Southeastern Amazon, Brazil: implications for catchment weathering, provenance, and …

PK Sahoo, JTF Guimaraes, PWM Souza-Filho… - Journal of South …, 2016 - Elsevier
A multi-proxy geochemical study of surficial sediments of an upland lake (Amendoim Lake),
located in the Serra dos Carajás region, Brazil, was carried out to understand catchment …

Geochemical characterization of the largest upland lake of the Brazilian Amazonia: Impact of provenance and processes

PK Sahoo, JTF Guimarães, PWM Souza-Filho… - Journal of South …, 2017 - Elsevier
Abstract Lake Três Irmãs (LTI), the largest upland lake in the Brazilian Amazonia, located in
Serra dos Carajás, was characterized using multi-elemental and isotope geochemistry (δ 13 …

Medieval Climate Variability in the eastern Amazon-Cerrado regions and its archeological implications

V Azevedo, NM Stríkis, RA Santos, JG de Souza… - Scientific reports, 2019 - nature.com
Abstract The South American Monsoon System is responsible for the majority of precipitation
in the continent, especially over the Amazon and the tropical savannah, known as 'Cerrado' …