Dating Antarctic ice cores using high-temporal resolution black carbon records
Black carbon aerosols (BC) emitted by fires in the Southern Hemisphere (SH) are transported to Antarctica and preserved in the Antarctic ice sheet. Recent efforts to develop ice core records of BC deposition to Antarctica show variability in BC over a broad range of time scales. The ~ monthly-resolu...
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Antarctic Climate and Ecosystems Cooperative Research Centre
2020
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ftansto:oai:apo-prod.ansto.gov.au:10238/9622 2023-05-15T13:36:16+02:00 Dating Antarctic ice cores using high-temporal resolution black carbon records Edwards, R Vallelonga, P McConnell, JR Bertler, NAN Curran, MAJ Sigil, M Fudge, TJ Anschuetz, H Neff, PD Emanuelsson, D Bisiaux, M Goodwin, D Smith, AM Taylor, KC Moy, A Fetieng, W Ellis, A 2020-05-28 http://apo.ansto.gov.au/dspace/handle/10238/9622 https://static1.squarespace.com/static/5459b25de4b00ee921cd006d/t/56dce081c2ea51eadac2f4e1/1457315995517/IPICS+2016+-+Abstracts.pdf en eng Antarctic Climate and Ecosystems Cooperative Research Centre Edwards, R., Vallelonga, P., McConnell, J. R., Bertler, N. A. N., Curran, M. A. J., Sigil, M., Fudge, T. J., Anschuetz, H., Neff, P. D., Emanuelsson, D., Bisiaus, M., Goodwin, D., Smith, A., Taylor, K. C., Moy, A., Fetieng, W., & Ellis, A. (2016). Dating Antarctic ice cores using high-temporal resolution black carbon records. Paper presented at the IPICS 2016, International Partnerships in Ice Core Sciences, Secon Open Science Conference, 7-11 March 2016, Hobart, Tasmania. https://static1.squarespace.com/static/5459b25de4b00ee921cd006d/t/56dce081c2ea51eadac2f4e1/1457315995517/IPICS+2016+-+Abstracts.pdf http://apo.ansto.gov.au/dspace/handle/10238/9622 Age estimation Antarctic regions Drill cores Carbon Southern Hemisphere Fires Conference Abstract 2020 ftansto 2020-06-15T22:28:37Z Black carbon aerosols (BC) emitted by fires in the Southern Hemisphere (SH) are transported to Antarctica and preserved in the Antarctic ice sheet. Recent efforts to develop ice core records of BC deposition to Antarctica show variability in BC over a broad range of time scales. The ~ monthly-resolution BC record from the WAIS divide deep ice core displayed strong seasonal variability in modern sections of the record consistent with the timing of SH biomass burning. The record was subsequently used as an annual layer dating proxy in conjunction with other chemical species. If the emissions and transport of BC to Antarctica are stable over long periods of time it may be useful as an annual layer proxy at sites other than WAIS. To date, a rigorous comparison of Antarctic ice core BC seasonality from different locations have not been conducted. Here we present a comparison of BC ice core data from the top sections of the WAIS divide deep core, the Roosevelt Island RICE core, and the Law Dome DSS1213 core. The RICE and Law Dome sites are separated from WAIS by large distances and experience different atmospheric circulation and climate regimes. A detailed description of the data uncertainties and its use in annual layer counting will be discussed. Conference Object Antarc* Antarctic Antarctica ice core Ice Sheet Roosevelt Island Australian Nuclear Science and Technology Organisation: ANSTO Publications Online Antarctic Law Dome ENVELOPE(112.833,112.833,-66.733,-66.733) Roosevelt Island ENVELOPE(-162.000,-162.000,-79.283,-79.283) The Antarctic |
institution |
Open Polar |
collection |
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online |
op_collection_id |
ftansto |
language |
English |
topic |
Age estimation Antarctic regions Drill cores Carbon Southern Hemisphere Fires |
spellingShingle |
Age estimation Antarctic regions Drill cores Carbon Southern Hemisphere Fires Edwards, R Vallelonga, P McConnell, JR Bertler, NAN Curran, MAJ Sigil, M Fudge, TJ Anschuetz, H Neff, PD Emanuelsson, D Bisiaux, M Goodwin, D Smith, AM Taylor, KC Moy, A Fetieng, W Ellis, A Dating Antarctic ice cores using high-temporal resolution black carbon records |
topic_facet |
Age estimation Antarctic regions Drill cores Carbon Southern Hemisphere Fires |
description |
Black carbon aerosols (BC) emitted by fires in the Southern Hemisphere (SH) are transported to Antarctica and preserved in the Antarctic ice sheet. Recent efforts to develop ice core records of BC deposition to Antarctica show variability in BC over a broad range of time scales. The ~ monthly-resolution BC record from the WAIS divide deep ice core displayed strong seasonal variability in modern sections of the record consistent with the timing of SH biomass burning. The record was subsequently used as an annual layer dating proxy in conjunction with other chemical species. If the emissions and transport of BC to Antarctica are stable over long periods of time it may be useful as an annual layer proxy at sites other than WAIS. To date, a rigorous comparison of Antarctic ice core BC seasonality from different locations have not been conducted. Here we present a comparison of BC ice core data from the top sections of the WAIS divide deep core, the Roosevelt Island RICE core, and the Law Dome DSS1213 core. The RICE and Law Dome sites are separated from WAIS by large distances and experience different atmospheric circulation and climate regimes. A detailed description of the data uncertainties and its use in annual layer counting will be discussed. |
format |
Conference Object |
author |
Edwards, R Vallelonga, P McConnell, JR Bertler, NAN Curran, MAJ Sigil, M Fudge, TJ Anschuetz, H Neff, PD Emanuelsson, D Bisiaux, M Goodwin, D Smith, AM Taylor, KC Moy, A Fetieng, W Ellis, A |
author_facet |
Edwards, R Vallelonga, P McConnell, JR Bertler, NAN Curran, MAJ Sigil, M Fudge, TJ Anschuetz, H Neff, PD Emanuelsson, D Bisiaux, M Goodwin, D Smith, AM Taylor, KC Moy, A Fetieng, W Ellis, A |
author_sort |
Edwards, R |
title |
Dating Antarctic ice cores using high-temporal resolution black carbon records |
title_short |
Dating Antarctic ice cores using high-temporal resolution black carbon records |
title_full |
Dating Antarctic ice cores using high-temporal resolution black carbon records |
title_fullStr |
Dating Antarctic ice cores using high-temporal resolution black carbon records |
title_full_unstemmed |
Dating Antarctic ice cores using high-temporal resolution black carbon records |
title_sort |
dating antarctic ice cores using high-temporal resolution black carbon records |
publisher |
Antarctic Climate and Ecosystems Cooperative Research Centre |
publishDate |
2020 |
url |
http://apo.ansto.gov.au/dspace/handle/10238/9622 https://static1.squarespace.com/static/5459b25de4b00ee921cd006d/t/56dce081c2ea51eadac2f4e1/1457315995517/IPICS+2016+-+Abstracts.pdf |
long_lat |
ENVELOPE(112.833,112.833,-66.733,-66.733) ENVELOPE(-162.000,-162.000,-79.283,-79.283) |
geographic |
Antarctic Law Dome Roosevelt Island The Antarctic |
geographic_facet |
Antarctic Law Dome Roosevelt Island The Antarctic |
genre |
Antarc* Antarctic Antarctica ice core Ice Sheet Roosevelt Island |
genre_facet |
Antarc* Antarctic Antarctica ice core Ice Sheet Roosevelt Island |
op_relation |
Edwards, R., Vallelonga, P., McConnell, J. R., Bertler, N. A. N., Curran, M. A. J., Sigil, M., Fudge, T. J., Anschuetz, H., Neff, P. D., Emanuelsson, D., Bisiaus, M., Goodwin, D., Smith, A., Taylor, K. C., Moy, A., Fetieng, W., & Ellis, A. (2016). Dating Antarctic ice cores using high-temporal resolution black carbon records. Paper presented at the IPICS 2016, International Partnerships in Ice Core Sciences, Secon Open Science Conference, 7-11 March 2016, Hobart, Tasmania. https://static1.squarespace.com/static/5459b25de4b00ee921cd006d/t/56dce081c2ea51eadac2f4e1/1457315995517/IPICS+2016+-+Abstracts.pdf http://apo.ansto.gov.au/dspace/handle/10238/9622 |
_version_ |
1766076278340845568 |