Data

Collation of existing (historical) Antarctic fast ice core Chlorophyll a data

Australian Antarctic Data Centre
MEINERS, KLAUS
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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:doi10.26179/5c2d79dfb7ce3&rft.title=Collation of existing (historical) Antarctic fast ice core Chlorophyll a data&rft.identifier=10.26179/5c2d79dfb7ce3&rft.publisher=Australian Antarctic Data Centre&rft.description=The Antarctic Fast Ice Algae Chlorophyll-a (AFIAC) dataset is a compilation of currently available sea ice chlorophyll-a data from land-fast sea ice (i.e., excluding pack ice (see ASPeCt-Bio, Meiners et al. 2012)) cores collected at circum-Antarctic locations during the period 1970 to 2015. Data come from peer-reviewed publications, field-reports, data repositories and direct contributions by field-research teams. During all campaigns the chlorophyll-a concentration (in micrograms per litre) was measured from melted ice-core sections, using standard procedures, e.g., by melting the ice at less than 5 degrees C in the dark; filtering samples onto glassfibre filters; and fluorometric analysis according to standard protocols [Holm-Hansen et al., 1965; Evans et al., 1987]. Ice samples were melted either directly or in filtered sea water, which does not yield significant differences in chlorophyll-a concentration [Dieckmann et al., 1998]. The dataset consists of 888 geo-referenced ice cores, consisting of 5718 individual ice core sections, and including 404 full vertical profiles with a minimum of three sections. Samples/sections from the remaining cores represent: i) bottom 0.05 m only (n= 32), ii) bottom 0.1 m only (n = 301), complete cores (n = 66), as well as intermittent profiles (n = 85) with at least 3 sections but gaps in-between them. For questions about this dataset please contact: Klaus Meiners and Martin Vancoppenolle This data compilation was carried out under the auspices of the Scientific Committee on Antarctic Research - ASPeCt program and the Scientific Committee on Ocean Research (SCOR) working group on Biogeochemical Exchange Processes at the Sea-Ice Interfaces (WG-140). It also contributes to SCOR WG-152 on Measuring Essential Climate Variables in Sea Ice (ECV-Ice). An update to this dataset was submitted in September, 2018.&rft.creator=MEINERS, KLAUS &rft.date=2017&rft.coverage=northlimit=-60; southlimit=-75; westlimit=-180; eastLimit=180; projection=WGS84&rft.coverage=northlimit=-60; southlimit=-75; westlimit=-180; eastLimit=180; 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=AAS_4298_Chlorophyll_a_1970_2015 when using these data.&rft_subject=biota&rft_subject=oceans&rft_subject=CHLOROPHYLL&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN CHEMISTRY&rft_subject=PIGMENTS&rft_subject=SEA ICE&rft_subject=FAST ICE&rft_subject=ASPECT&rft_subject=CHLOROPHYLL A&rft_subject=SCOR&rft_subject=FLUOROMETERS&rft_subject=SHIPS&rft_subject=ASPECT > Antarctic Sea Ice Processes and Climate&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=CONTINENT > ANTARCTICA&rft_subject=OCEAN > SOUTHERN OCEAN&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=AAS_4298_Chlorophyll_a_1970_2015 when using these data.

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Brief description

The Antarctic Fast Ice Algae Chlorophyll-a (AFIAC) dataset is a compilation of currently available sea ice chlorophyll-a data from land-fast sea ice (i.e., excluding pack ice (see ASPeCt-Bio, Meiners et al. 2012)) cores collected at circum-Antarctic locations during the period 1970 to 2015. Data come from peer-reviewed publications, field-reports, data repositories and direct contributions by field-research teams. During all campaigns the chlorophyll-a concentration (in micrograms per litre) was measured from melted ice-core sections, using standard procedures, e.g., by melting the ice at less than 5 degrees C in the dark; filtering samples onto glassfibre filters; and fluorometric analysis according to standard protocols [Holm-Hansen et al., 1965; Evans et al., 1987]. Ice samples were melted either directly or in filtered sea water, which does not yield significant differences in chlorophyll-a concentration [Dieckmann et al., 1998]. The dataset consists of 888 geo-referenced ice cores, consisting of 5718 individual ice core sections, and including 404 full vertical profiles with a minimum of three sections. Samples/sections from the remaining cores represent: i) bottom 0.05 m only (n= 32), ii) bottom 0.1 m only (n = 301), complete cores (n = 66), as well as intermittent profiles (n = 85) with at least 3 sections but gaps in-between them. For questions about this dataset please contact: Klaus Meiners and Martin Vancoppenolle This data compilation was carried out under the auspices of the Scientific Committee on Antarctic Research - ASPeCt program and the Scientific Committee on Ocean Research (SCOR) working group on Biogeochemical Exchange Processes at the Sea-Ice Interfaces (WG-140). It also contributes to SCOR WG-152 on Measuring Essential Climate Variables in Sea Ice (ECV-Ice). An update to this dataset was submitted in September, 2018.

Issued: 2017-02-09

Data time period: to 2015-12-31

This dataset is part of a larger collection

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180,-60 180,-75 0,-75 -180,-75 -180,-60 0,-60 180,-60

0,-67.5

text: northlimit=-60; southlimit=-75; westlimit=-180; eastLimit=180; projection=WGS84

Subjects
ASPECT | ASPECT > Antarctic Sea Ice Processes and Climate | CHLOROPHYLL | CHLOROPHYLL A | CONTINENT > ANTARCTICA | EARTH SCIENCE | FAST ICE | FLUOROMETERS | GEOGRAPHIC REGION > POLAR | OCEAN > SOUTHERN OCEAN | OCEAN CHEMISTRY | OCEANS | PIGMENTS | SCOR | SEA ICE | SHIPS | biota | oceans |

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

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