globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2012.12.012
Scopus记录号: 2-s2.0-84880645256
论文题名:
Climatic records over the past 30ka from temperate Australia - a synthesis from the Oz-INTIMATE workgroup
作者: Petherick L.; Bostock H.; Cohen T.J.; Fitzsimmons K.; Tibby J.; Fletcher M.-S.; Moss P.; Reeves J.; Mooney S.; Barrows T.; Kemp J.; Jansen J.; Nanson G.; Dosseto A.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2013
卷: 74
起始页码: 58
结束页码: 77
语种: 英语
英文关键词: Australia ; OZ-INTIMATE ; Palaeoenvironmental variability ; Review ; Temperate
Scopus关键词: Antarctic cold reversals ; Australia ; High spatial density ; Increasing temperatures ; Murray-Darling Basin ; OZ-INTIMATE ; Palaeoenvironmental variability ; Temperate ; Reviews ; Sea ice ; Submarine geology ; Glacial geology ; climate variation ; deglaciation ; environmental change ; grassland ; heterogeneity ; paleoclimate ; sea ice ; sediment core ; temperate environment ; Australia ; Murray-Darling Basin ; Southern Ocean ; Tasmania
英文摘要: Temperate Australia sits between the heat engine of the tropics and the cold Southern Ocean, encompassing a range of rainfall regimes and falling under the influence of different climatic drivers. Despite this heterogeneity, broad-scale trends in climatic and environmental change are evident over the past 30ka. During the early glacial period (~30-22ka) and the Last Glacial Maximum (~22-18ka), climate was relatively cool across the entire temperate zone and there was an expansion of grasslands and increased fluvial activity in regionally important Murray-Darling Basin. The temperate region at this time appears to be dominated by expanded sea ice in the Southern Ocean forcing a northerly shift in the position of the oceanic fronts and a concomitant influx of cold water along the southeast (including Tasmania) and southwest Australian coasts. The deglacial period (~18-12ka) was characterised by glacial recession and eventual disappearance resulting from an increase in temperature deduced from terrestrial records, while there is some evidence for climatic reversals (e.g. the Antarctic Cold Reversal) in high resolution marine sediment cores through this period. The high spatial density of Holocene terrestrial records reveals an overall expansion of sclerophyll woodland and rainforest taxa across the temperate region after ~12ka, presumably in response to increasing temperature, while hydrological records reveal spatially heterogeneous hydro-climatic trends. Patterns after ~6ka suggest higher frequency climatic variability that possibly reflects the onset of large scale climate variability caused by the El Niño/Southern Oscillation. © 2013 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60566
Appears in Collections:过去全球变化的重建

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作者单位: School of Earth Environment and Biological Sciences, Queensland University of Technology, Gardens Point, Qld 4000, Australia; School of Geography Planning and Environmental Management, University of Queensland, St Lucia, Qld 4072, Australia; National Institute of Water and Atmosphere, Wellington, New Zealand; School of Earth and Environmental Sciences (SEES), University of Wollongong, NSW 2522, Australia; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, D-04103 Leipzig, Germany; School of Geography Environment and Population, University of Adelaide, SA 5005, Australia; Australian National University, Australia; Institute of Ecology and Biodiversity, University of Chile, Santiago, Chile; School of Science Information Technology and Engineering, University of Ballarat, Ballarat, VIC 3353, Australia; School of Biological Earth and Environmental Sciences, University of New South Wales, Australia; College of Life and Environmental Sciences, University of Exeter, Exeter EX4 4RJ, United Kingdom; School of the Built and Natural Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, United Kingdom; Department of Physical Geography and Quaternary Geology, Stockholm University, Stockholm, Sweden

Recommended Citation:
Petherick L.,Bostock H.,Cohen T.J.,et al. Climatic records over the past 30ka from temperate Australia - a synthesis from the Oz-INTIMATE workgroup[J]. Quaternary Science Reviews,2013-01-01,74
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