Radiocarbon in tropical tree rings during the Little Ice Age

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dc.contributor.authorHua, Qen_AU
dc.contributor.authorBarbetti, Men_AU
dc.contributor.authorZoppi, Uen_AU
dc.contributor.authorFink, Den_AU
dc.contributor.authorWatanasak, Men_AU
dc.contributor.authorJacobsen, GEen_AU
dc.date.accessioned2021-12-15T23:48:30Zen_AU
dc.date.available2021-12-15T23:48:30Zen_AU
dc.date.issued2004-08en_AU
dc.date.statistics2021-11-08en_AU
dc.description.abstractCross-dated tree-ring cores (Pinus merkusii) from north-central Thailand, spanning AD 1620–1780, were used to investigate atmospheric 14C for the tropics during the latter part of the Little Ice Age. In addition, a cross-dated section of Huon pine from western Tasmania, covering the same period of time, was investigated. A total of 16 pairs of decadal samples were extracted to alpha-cellulose for AMS 14C analysis using the ANTARES facility at ANSTO. The 14C results from Thailand follow the trend of the southern hemisphere, rather than that of the northern hemisphere. This is a surprising result, and we infer that atmospheric 14C for north-central Thailand, at 17° N, was strongly influenced by the entrainment of southern hemisphere air parcels during the southwest Asian monsoon, when the Inter-Tropical Convergence Zone moves to the north of our sampling site. Such atmospheric transport and mixing are therefore considered to be one of the principal mechanisms for regional 14C offsets. © 2004 Elsevier B.V.en_AU
dc.identifier.citationHua, Q., Barbetti, M., Zoppi, U., Fink, D., Watanasak, M.,& Jacobsen, G. E. (2004). Radiocarbon in tropical tree rings during the Little Ice Age. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 223–224, 489-494. doi:10.1016/j.nimb.2004.04.092en_AU
dc.identifier.issn0168-583Xen_AU
dc.identifier.journaltitleNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atomsen_AU
dc.identifier.pagination489-494en_AU
dc.identifier.urihttps://doi.org/10.1016/j.nimb.2004.04.092en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12463en_AU
dc.identifier.volume223-224en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectCarbon 14en_AU
dc.subjectTree ringsen_AU
dc.subjectEnvironmental transporten_AU
dc.subjectMonsoonsen_AU
dc.subjectLittle Ice Ageen_AU
dc.subjectSolar activityen_AU
dc.subjectThailanden_AU
dc.subjectAustraliaen_AU
dc.subjectSouthern Hemisphereen_AU
dc.titleRadiocarbon in tropical tree rings during the Little Ice Ageen_AU
dc.typeJournal Articleen_AU
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