Results 51 to 60 of about 5,424,467 (257)
Studia Universitatis Babes-Bolyai Chemia, 2017 The article reports the AMS (accelerator mass spectrometry) radiocarbon dating results of Sagole Big tree, a giant African baobab from Limpopo, South Africa. Several wood samples were collected from the walls of its inner cavity and dated by radiocarbon.
Adrian PATRUT +7 more
doaj +1 more source
RADIOCARBON DATING OF THE HISTORIC GRAND BAOBAB OF MAHAJANGA, MADAGASCAR
Studia Universitatis Babes-Bolyai Chemia, 2023 The article reports the AMS (accelerator mass spectrometry) radiocarbon investigation of the historic Grand Baobab of Mahajanga. The largest African baobab of Madagascar exhibits a cluster structure, which consists of 6 fused ordinary stems and of 3 ...
Adrian PATRUT +6 more
doaj +1 more source
Archaeology in Oceania, EarlyView.ABSTRACT This study presents the first unequivocal evidence for the presence of Tasmanian devils (Sarcophilus harrisii) in the Pilbara region of northwestern Australia, based on material recovered from archaeological excavations at Juukan Gorge on Puutu Kunti Kurrama and Pinikura country.
Timothy J. Churchill +5 more
wiley +1 more source
Fisheries and Aquatic Sciences, 2021 Gindai (Pristipomoides zonatus) is one of six snappers in a management complex called the Deep 7 of the Hawaiian Islands. Little is known about its life history and a preliminary analysis of otolith thin sections
Allen H. Andrews, Taylor R. Scofield
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Biological Reviews, EarlyView.ABSTRACT For millennia, human activities have transformed ecosystems globally. Determining which landscapes are predominantly anthropogenic is crucial to conservation and habitat restoration. Madagascar, a critically‐threatened biodiversity hotspot, is a prominent example.
Grant S. Joseph +7 more
wiley +1 more source
Cosmogenic radiocarbon production and glacial cycles control marine radiocarbon archive variations
Communications Earth & EnvironmentMarine radiocarbon archives are depleted relative to the atmosphere, which is commonly expressed as the marine radiocarbon reservoir age. Here we apply an Earth system model of intermediate complexity equipped with radiocarbon to simulate marine ...
M. Butzin, F. Adolphi, G. Lohmann
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Errors in the radiocarbon dating of deposits in Finland from the time of deglaciation [PDF]
Bulletin of the Geological Society of Finland, 1974 Some radiocarbon dates of sediments from the area of the Salpausselkä moraines, and north of them in the area deglaciated after c. 10200 B.P., are too old and at variance with a number of radiocarbon dates for the regional pollen assemblage zones ...
J.J. Donner, H. Jungner
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Journal of Plant Nutrition and Soil Science, EarlyView.Topography shapes ecosystem controls, driving microclimate, hydrology, and vegetation, which, in turn, influence topsoil traits and DOM composition in coastal dune soils. Distinct molecular patterns emerge across north‐facing and south‐facing slopes and dune valleys.
Lejonina Herting +5 more
wiley +1 more source
A source-weighted Benthic minus Planktonic radiocarbon method for estimating pure ocean water age
npj Climate and Atmospheric ScienceThis paper introduces the Benthic minus-weighted-Planktonic (BwP) age method to estimate the pure water age of the deep ocean. It combines radiocarbon data with water mass composition evolution in an ocean model under realistic surface forcings ...
Jinbo Du +4 more
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Journal of Quaternary Science, EarlyView.ABSTRACT While the Antarctic region has experienced significant climatic changes over the Holocene, few high‐resolution records have examined their effects on the local biota. In order to understand past ecological shifts and forecast future changes, it is important to obtain high‐resolution palaeoecological records from this region.
Xaali O'Reilly‐Berkeley +8 more
wiley +1 more source