Data

137 Caesium (Cs) measurements in a Macquarie Island lake sediment core

Australian Antarctic Division
Saunders, K. ; SAUNDERS, KRYSTYNA
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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:doi10.26179/9zkj-6g87&rft.title=137 Caesium (Cs) measurements in a Macquarie Island lake sediment core&rft.identifier=10.26179/9zkj-6g87&rft.publisher=Australian Antarctic Data Centre&rft.description=These 137 Caesium (Cs) data are the first for Macquarie Island and are evidence of atmospheric nuclear weapons fallout during the mid-late 20th century. The samples are from a lake sediment core collected from a small, unnamed lake. A 54.0 cm sediment core was collected in 2010. It was sampled at 0.5 cm increments. Six samples from the top 17.0 cm were analysed by gamma spectrometry for 137Cs. The aim was to determine the onset, peak and decline in evidence of atmospheric nuclear weapons testing.Gamma spectrometry measurements were made at the Australian Nuclear Science and Technology Organisation (https://www.ansto.gov.au/about/what-we-do/nuclear-stewardship/nuclear-stewardship-science-group/environmental-radioactivity) Spreadsheet details1.    Notes – information on the sediment core and description of the 137Cs_unnamed_lake data spreadsheet2.    137Cs_unnamed_lakeSamples collected from an unnamed Lake west of Major Lake, Macquarie Island.Fieldwork conducted in March 2010Analyses conducted between January-December 2015Progress Code: completed&rft.creator=Saunders, K. &rft.creator=SAUNDERS, KRYSTYNA &rft.date=2021&rft.coverage=westlimit=158.81166; southlimit=-54.69021; eastlimit=158.82248; northlimit=-54.68376&rft.coverage=westlimit=158.81166; southlimit=-54.69021; eastlimit=158.82248; northlimit=-54.68376&rft_rights=These data are publicly available for download from the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&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=AAS_4156_Macquarie_Island_137Cs_data when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=inlandWaters&rft_subject=geoscientificInformation&rft_subject=EARTH SCIENCE > HUMAN DIMENSIONS > ECONOMIC RESOURCES > ENERGY PRODUCTION/USE > NUCLEAR ENERGY PRODUCTION/USE&rft_subject=EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS&rft_subject=EARTH SCIENCE > CLIMATE INDICATORS > PALEOCLIMATE INDICATORS > OCEAN/LAKE RECORDS > SEDIMENTS&rft_subject=EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > SOLIDS > SEDIMENTS&rft_subject=EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL IMPACTS > NUCLEAR RADIATION EXPOSURE&rft_subject=EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > ISOTOPES&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > FRESHWATER ECOSYSTEMS > LAKE/POND&rft_subject=FALLOUT&rft_subject=NUCLEAR MONITORING&rft_subject=CAESIUM&rft_subject=4156&rft_subject=AAS 4156&rft_subject=SEDIMENT CORERS&rft_subject=LABORATORY&rft_subject=FIELD SURVEYS&rft_subject=AMD&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=OCEAN > SOUTHERN OCEAN > MACQUARIE ISLAND&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0 International (CC BY 4.0)
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These data are publicly available for download from the provided URL.

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=AAS_4156_Macquarie_Island_137Cs_data when using these data.

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Full description

These 137 Caesium (Cs) data are the first for Macquarie Island and are evidence of atmospheric nuclear weapons fallout during the mid-late 20th century. The samples are from a lake sediment core collected from a small, unnamed lake.

A 54.0 cm sediment core was collected in 2010. It was sampled at 0.5 cm increments. Six samples from the top 17.0 cm were analysed by gamma spectrometry for 137Cs. The aim was to determine the onset, peak and decline in evidence of atmospheric nuclear weapons testing.

Gamma spectrometry measurements were made at the Australian Nuclear Science and Technology Organisation (https://www.ansto.gov.au/about/what-we-do/nuclear-stewardship/nuclear-stewardship-science-group/environmental-radioactivity)

Spreadsheet details
1.    Notes – information on the sediment core and description of the 137Cs_unnamed_lake data spreadsheet
2.    137Cs_unnamed_lake

Samples collected from an unnamed Lake west of Major Lake, Macquarie Island.

Fieldwork conducted in March 2010
Analyses conducted between January-December 2015

Lineage

Progress Code: completed

Data time period: 2019-01-01 to 2019-12-31

Data time period: 2010-03-01 to 2010-03-31

This dataset is part of a larger collection

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158.82248,-54.68376 158.82248,-54.69021 158.81166,-54.69021 158.81166,-54.68376 158.82248,-54.68376

158.81707,-54.686985

text: westlimit=158.81166; southlimit=-54.69021; eastlimit=158.82248; northlimit=-54.68376

Subjects
4156 | AAS 4156 | AMD | AMD/AU | CAESIUM | CEOS | EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > FRESHWATER ECOSYSTEMS > LAKE/POND | EARTH SCIENCE > CLIMATE INDICATORS > PALEOCLIMATE INDICATORS > OCEAN/LAKE RECORDS > SEDIMENTS | EARTH SCIENCE > HUMAN DIMENSIONS > ECONOMIC RESOURCES > ENERGY PRODUCTION/USE > NUCLEAR ENERGY PRODUCTION/USE | EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL IMPACTS > NUCLEAR RADIATION EXPOSURE | EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS | EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > ISOTOPES | EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > SOLIDS > SEDIMENTS | FALLOUT | FIELD SURVEYS | GEOGRAPHIC REGION > POLAR | LABORATORY | NUCLEAR MONITORING | OCEAN > SOUTHERN OCEAN > MACQUARIE ISLAND | SEDIMENT CORERS | climatologyMeteorologyAtmosphere | geoscientificInformation | inlandWaters |

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Other Information
Download the dataset. (GET DATA > DIRECT DOWNLOAD)

url : https://data.aad.gov.au/eds/5412/download

Public information for AAS project AAS_4156 (PROJECT HOME PAGE)

url : https://projects.aad.gov.au/report_project_public.cfm?project_no=AAS_4156

Citation reference for this metadata record and dataset. (VIEW RELATED INFORMATION)

url : https://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4156_Macquarie_Island_137Cs_data

Identifiers
ACN 633 798 857