Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ...
ABSTRACTDocumenting past changes in the East Antarctic surface mass balance is important to improve ice core chronologies and to constrain the ice-sheet contribution to global mean sea-level change. Here we reconstruct past changes in the ratio of surface mass balance (SMB ratio) between the EPICA D...
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ftdatacite:10.17863/cam.535 2023-06-11T04:06:12+02:00 Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... Parrenin, F Fujita, S Abe-Ouchi, A Kawamura, K Masson-Delmotte, V Motoyama, H Saito, F Severi, M Stenni, B Uemura, R Wolff, EW 2016 https://dx.doi.org/10.17863/cam.535 https://www.repository.cam.ac.uk/handle/1810/256597 en eng Cambridge University Press (CUP) Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 ice cores surface mass balance vertical thinning volcanic synchronization article-journal JournalArticle Article ScholarlyArticle 2016 ftdatacite https://doi.org/10.17863/cam.535 2023-05-02T11:01:23Z ABSTRACTDocumenting past changes in the East Antarctic surface mass balance is important to improve ice core chronologies and to constrain the ice-sheet contribution to global mean sea-level change. Here we reconstruct past changes in the ratio of surface mass balance (SMB ratio) between the EPICA Dome C (EDC) and Dome Fuji (DF) East Antarctica ice core sites, based on a precise volcanic synchronization of the two ice cores and on corrections for the vertical thinning of layers. During the past 216 000 a, this SMB ratio, denoted SMB EDC /SMB DF , varied between 0.7 and 1.1, being small during cold periods and large during warm periods. Our results therefore reveal larger amplitudes of changes in SMB at EDC compared with DF, consistent with previous results showing larger amplitudes of changes in water stable isotopes and estimated surface temperature at EDC compared with DF. Within the last glacial inception (Marine Isotope Stages, MIS-5c and MIS-5d), the SMB ratio deviates by up to 0.2 from what is expected ... Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica EPICA ice core Ice Sheet DataCite Metadata Store (German National Library of Science and Technology) Antarctic Dome Fuji ENVELOPE(39.700,39.700,-77.317,-77.317) East Antarctica |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
ice cores surface mass balance vertical thinning volcanic synchronization |
spellingShingle |
ice cores surface mass balance vertical thinning volcanic synchronization Parrenin, F Fujita, S Abe-Ouchi, A Kawamura, K Masson-Delmotte, V Motoyama, H Saito, F Severi, M Stenni, B Uemura, R Wolff, EW Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... |
topic_facet |
ice cores surface mass balance vertical thinning volcanic synchronization |
description |
ABSTRACTDocumenting past changes in the East Antarctic surface mass balance is important to improve ice core chronologies and to constrain the ice-sheet contribution to global mean sea-level change. Here we reconstruct past changes in the ratio of surface mass balance (SMB ratio) between the EPICA Dome C (EDC) and Dome Fuji (DF) East Antarctica ice core sites, based on a precise volcanic synchronization of the two ice cores and on corrections for the vertical thinning of layers. During the past 216 000 a, this SMB ratio, denoted SMB EDC /SMB DF , varied between 0.7 and 1.1, being small during cold periods and large during warm periods. Our results therefore reveal larger amplitudes of changes in SMB at EDC compared with DF, consistent with previous results showing larger amplitudes of changes in water stable isotopes and estimated surface temperature at EDC compared with DF. Within the last glacial inception (Marine Isotope Stages, MIS-5c and MIS-5d), the SMB ratio deviates by up to 0.2 from what is expected ... |
format |
Article in Journal/Newspaper |
author |
Parrenin, F Fujita, S Abe-Ouchi, A Kawamura, K Masson-Delmotte, V Motoyama, H Saito, F Severi, M Stenni, B Uemura, R Wolff, EW |
author_facet |
Parrenin, F Fujita, S Abe-Ouchi, A Kawamura, K Masson-Delmotte, V Motoyama, H Saito, F Severi, M Stenni, B Uemura, R Wolff, EW |
author_sort |
Parrenin, F |
title |
Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... |
title_short |
Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... |
title_full |
Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... |
title_fullStr |
Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... |
title_full_unstemmed |
Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka ... |
title_sort |
climate dependent contrast in surface mass balance in east antarctica over the past 216 ka ... |
publisher |
Cambridge University Press (CUP) |
publishDate |
2016 |
url |
https://dx.doi.org/10.17863/cam.535 https://www.repository.cam.ac.uk/handle/1810/256597 |
long_lat |
ENVELOPE(39.700,39.700,-77.317,-77.317) |
geographic |
Antarctic Dome Fuji East Antarctica |
geographic_facet |
Antarctic Dome Fuji East Antarctica |
genre |
Antarc* Antarctic Antarctica East Antarctica EPICA ice core Ice Sheet |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica EPICA ice core Ice Sheet |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.17863/cam.535 |
_version_ |
1768378016409321472 |