Frontier Lapita interaction with resident Papuan populations set the stage for initial peopling of the Pacific

B Shaw, S Hawkins, L Becerra-Valdivia… - Nature Ecology & …, 2022 - nature.com
The initial peopling of the remote Pacific islands was one of the greatest migrations in
human history, beginning three millennia ago by Lapita cultural groups. The spread of …

[HTML][HTML] Mid-Holocene intensification of Southern Hemisphere westerly winds and implications for regional climate dynamics

J Tamhane, ZA Thomas, H Cadd, MRP Harris… - Quaternary Science …, 2023 - Elsevier
Abstract The Southern Hemisphere westerly winds (SWW), a belt of strong zonal winds in
the mid-latitudes, play a key role in Southern Hemisphere climate variability. Recent …

Demystifying the tropics: FTIR characterization of pantropical woods and their α-cellulose extracts for past atmospheric 14C reconstructions

JN Griffin, GM Santos, LD Nguyen… - Science of the Total …, 2024 - Elsevier
To ensure unbiased tree-ring radiocarbon (14 C) results, traditional pretreatments carefully
isolate wood cellulose from extractives using organic solvents, among other chemicals. The …

Boron isotopes and FTIR spectroscopy to identify past high severity fires

R Ryan, A Dosseto, D Lemarchand, P Dlapa, Z Thomas… - Catena, 2023 - Elsevier
Bushfires have played a crucial role in shaping the landscape and biodiversity for millennia.
As fire regimes continue to alter with climate change, greater understanding becomes critical …

Distal ash fall from the mid-Holocene eruption of Mount Hudson (H2) discovered in the Falkland Islands: New possibilities for Southern Hemisphere archive …

P Panaretos, PG Albert, ZA Thomas… - Quaternary Science …, 2021 - Elsevier
Cryptotephra deposits (microscopic volcanic ash) are important geochronological tools that
can be used to synchronize records of past environmental change. Here we report a distal …

[HTML][HTML] Holocene climate and catchment change inferred from the geochemistry of Lashmars Lagoon, Kangaroo Island (Karti/Karta), southern Australia

LC Duxbury, LY Johns-Mead, H Cadd… - Palaeogeography …, 2024 - Elsevier
We present a continuous∼ 7000-year sedimentary record from Lashmars Lagoon,
Kangaroo Island (Karti/Karta), southern Australia, a region heavily impacted by drought and …

The transition from an Indigenous to a European influenced fire regime at Lake Werri Berri, south-east Australia

M Constantine IV, X Zhu, H Cadd, S Mooney - The Holocene, 2023 - journals.sagepub.com
The drivers of fire regimes prior to the European occupation of Australia are still contentious,
with some advocating regimes dominated by anthropogenic ignitions and others advocating …

The age and position of the southern boundary of prehistoric Polynesian dispersal

A Anderson, L Becerra‐Valdivia, H Cadd… - Archaeology in …, 2024 - Wiley Online Library
Prehistoric Polynesian voyaging into high latitudes with landfall in Antarctica remains a
widely credited proposition. We examine it through archaeological and environmental …

The application of pollen radiocarbon dating and bayesian age-depth modeling for developing robust geochronological frameworks of wetland archives

H Cadd, B Sherborne-Higgins, L Becerra-Valdivia… - …, 2022 - cambridge.org
Wetland sediments are valuable archives of environmental change but can be challenging
to date. Terrestrial macrofossils are often sparse, resulting in radiocarbon (14C) dating of …

Investigating the Effect of Oxidants on the Quantification and Characterization of Charcoal in Two Southeast Australian Sedimentary Records

M Constantine IV, X Zhu, H Cadd, S Mooney - Fire, 2023 - mdpi.com
This study examined the effects of commonly used oxidants in sedimentary macroscopic
charcoal analysis on two sediment cores from Thirlmere Lakes National Park, Southeast …