Data

15 year Wilhelm II Land MSA and HOOH shallow ice core record from Mount Brown South (MBS)

Australian Antarctic Data Centre
CURRAN, MARK ; VAN OMMEN, TAS
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.26179/5c639f7d21621&rft.title=15 year Wilhelm II Land MSA and HOOH shallow ice core record from Mount Brown South (MBS)&rft.identifier=10.26179/5c639f7d21621&rft.publisher=Australian Antarctic Data Centre&rft.description=This work presents results from a short firn core spanning 15 years collected from near Mount Brown, Wilhelm II Land, East Antarctica. Variations of methanesulphonic acid (MSA) at Mount Brown were positively correlated with sea-ice extent from the coastal region surrounding Mount Brown (60-1208 E) and from around the entire Antarctic coast (0-3608 E). Previous results from Law Dome identified this MSA-sea-ice relationship and proposed it as an Antarctic sea-ice proxy (Curran and others, 2003), with the strongest results found for the local Law Dome region. Our data provide supporting evidence for the Law Dome proxy (at another site in East Antarctica), but a deeper Mount Brown ice core is required to confirm the sea-ice decline suggested by Curran and others (2003). Results also indicate that this deeper record may also provide a more circum-Antarctic sea-ice proxy. This work was completed as part of ASAC project 757 (ASAC_757).&rft.creator=CURRAN, MARK &rft.creator=VAN OMMEN, TAS &rft.date=2011&rft.coverage=northlimit=-69.12; southlimit=-69.13; westlimit=86.082; eastLimit=86.084; projection=WGS84&rft.coverage=northlimit=-69.12; southlimit=-69.13; westlimit=86.082; eastLimit=86.084; projection=WGS84&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=mbs_wilhelm_msa_hooh when using these data.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=IONS&rft_subject=EARTH SCIENCE&rft_subject=PALEOCLIMATE&rft_subject=ICE CORE RECORDS&rft_subject=SULFUR COMPOUNDS&rft_subject=ATMOSPHERE&rft_subject=ATMOSPHERIC CHEMISTRY&rft_subject=MSA&rft_subject=methanesulphonic acid&rft_subject=Mt Brown&rft_subject=Firn Core&rft_subject=CORING DEVICES&rft_subject=FIELD SURVEYS&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=mbs_wilhelm_msa_hooh when using these data.

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Brief description

This work presents results from a short firn core spanning 15 years collected from near Mount Brown, Wilhelm II Land, East Antarctica. Variations of methanesulphonic acid (MSA) at Mount Brown were positively correlated with sea-ice extent from the coastal region surrounding Mount Brown (60-1208 E) and from around the entire Antarctic coast (0-3608 E). Previous results from Law Dome identified this MSA-sea-ice relationship and proposed it as an Antarctic sea-ice proxy (Curran and others, 2003), with the strongest results found for the local Law Dome region. Our data provide supporting evidence for the Law Dome proxy (at another site in East Antarctica), but a deeper Mount Brown ice core is required to confirm the sea-ice decline suggested by Curran and others (2003). Results also indicate that this deeper record may also provide a more circum-Antarctic sea-ice proxy.

This work was completed as part of ASAC project 757 (ASAC_757).

Issued: 2011-02-23

Data time period: 1984-01-01 to 1998-12-31

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86.084,-69.12 86.084,-69.13 86.082,-69.13 86.082,-69.12 86.084,-69.12

86.083,-69.125

text: northlimit=-69.12; southlimit=-69.13; westlimit=86.082; eastLimit=86.084; projection=WGS84

Subjects
ATMOSPHERE | ATMOSPHERIC CHEMISTRY | CONTINENT > ANTARCTICA | CORING DEVICES | EARTH SCIENCE | FIELD SURVEYS | Firn Core | GEOGRAPHIC REGION > POLAR | ICE CORE RECORDS | IONS | MSA | Mt Brown | PALEOCLIMATE | SULFUR COMPOUNDS | climatologyMeteorologyAtmosphere | methanesulphonic acid |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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