Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup
Artículo de publicación ISI 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 environmenta...
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Online Access: | https://doi.org/10.1016/j.quascirev.2012.12.012 https://repositorio.uchile.cl/handle/2250/119696 |
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ftunivchile:oai:repositorio.uchile.cl:2250/119696 2023-05-15T13:41:41+02:00 Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup Petherick, L. Bostock, H. Cohen, T. J. Fitzsimmons, K. Tibby, J. Fletcher, Michael-Shawn Moss, P. Reeves, J. Mooney, S. Barrows, T. Kemp, J. Jansen, J. Nanson, G. Dosseto, A. 2013 application/pdf https://doi.org/10.1016/j.quascirev.2012.12.012 https://repositorio.uchile.cl/handle/2250/119696 en_US eng Quaternary Science Reviews 74 (2013) 58-77 0277-3791 doi:10.1016/j.quascirev.2012.12.012 https://repositorio.uchile.cl/handle/2250/119696 Attribution-NonCommercial-NoDerivs 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ CC-BY-NC-ND Temperate Artículo de revista 2013 ftunivchile https://doi.org/10.1016/j.quascirev.2012.12.012 2023-01-29T00:52:41Z Artículo de publicación ISI 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 30 ka. During the early glacial period (w30e22 ka) and the Last Glacial Maximum (w22e18 ka), climate was relatively cool across the entire temperate zone and there was an expansion of grasslands and increased fluvial activity in regionally important MurrayeDarling 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 (w18e12 ka) 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 afterw12 ka, presumably in response to increasing temperature, while hydrological records reveal spatially heterogeneous hydro-climatic trends. Patterns after w6 ka suggest higher frequency climatic variability that possibly reflects the onset of large scale climate variability caused by the El Niño/Southern Oscillation. Article in Journal/Newspaper Antarc* Antarctic Sea ice Southern Ocean Universidad de Chile: Repositorio académico Antarctic Southern Ocean The Antarctic Isi ENVELOPE(-38.550,-38.550,65.617,65.617) Quaternary Science Reviews 74 58 77 |
institution |
Open Polar |
collection |
Universidad de Chile: Repositorio académico |
op_collection_id |
ftunivchile |
language |
English |
topic |
Temperate |
spellingShingle |
Temperate Petherick, L. Bostock, H. Cohen, T. J. Fitzsimmons, K. Tibby, J. Fletcher, Michael-Shawn Moss, P. Reeves, J. Mooney, S. Barrows, T. Kemp, J. Jansen, J. Nanson, G. Dosseto, A. Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup |
topic_facet |
Temperate |
description |
Artículo de publicación ISI 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 30 ka. During the early glacial period (w30e22 ka) and the Last Glacial Maximum (w22e18 ka), climate was relatively cool across the entire temperate zone and there was an expansion of grasslands and increased fluvial activity in regionally important MurrayeDarling 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 (w18e12 ka) 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 afterw12 ka, presumably in response to increasing temperature, while hydrological records reveal spatially heterogeneous hydro-climatic trends. Patterns after w6 ka suggest higher frequency climatic variability that possibly reflects the onset of large scale climate variability caused by the El Niño/Southern Oscillation. |
format |
Article in Journal/Newspaper |
author |
Petherick, L. Bostock, H. Cohen, T. J. Fitzsimmons, K. Tibby, J. Fletcher, Michael-Shawn Moss, P. Reeves, J. Mooney, S. Barrows, T. Kemp, J. Jansen, J. Nanson, G. Dosseto, A. |
author_facet |
Petherick, L. Bostock, H. Cohen, T. J. Fitzsimmons, K. Tibby, J. Fletcher, Michael-Shawn Moss, P. Reeves, J. Mooney, S. Barrows, T. Kemp, J. Jansen, J. Nanson, G. Dosseto, A. |
author_sort |
Petherick, L. |
title |
Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup |
title_short |
Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup |
title_full |
Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup |
title_fullStr |
Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup |
title_full_unstemmed |
Climatic records over the past 30 ka from temperate Australia e a synthesis from the Oz-INTIMATE workgroup |
title_sort |
climatic records over the past 30 ka from temperate australia e a synthesis from the oz-intimate workgroup |
publishDate |
2013 |
url |
https://doi.org/10.1016/j.quascirev.2012.12.012 https://repositorio.uchile.cl/handle/2250/119696 |
long_lat |
ENVELOPE(-38.550,-38.550,65.617,65.617) |
geographic |
Antarctic Southern Ocean The Antarctic Isi |
geographic_facet |
Antarctic Southern Ocean The Antarctic Isi |
genre |
Antarc* Antarctic Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Sea ice Southern Ocean |
op_relation |
Quaternary Science Reviews 74 (2013) 58-77 0277-3791 doi:10.1016/j.quascirev.2012.12.012 https://repositorio.uchile.cl/handle/2250/119696 |
op_rights |
Attribution-NonCommercial-NoDerivs 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1016/j.quascirev.2012.12.012 |
container_title |
Quaternary Science Reviews |
container_volume |
74 |
container_start_page |
58 |
op_container_end_page |
77 |
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1766153872274882560 |