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ASPeCt-Bio: Chlorophyll a in Antarctic sea ice from historical ice core dataset

Created 13/03/2025

Updated 13/03/2025

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The ASPeCt - Bio dataset is a compilation of currently available sea ice chlorophyll a (chl-a) data from pack ice (i.e., excluding fast ice) cores collected during 32 cruises to the Southern Ocean sea ice zone from 1983 to 2008 (Table S1). Data come from peer-reviewed publications, cruise reports, data repositories and direct contributions by field-research teams. During all cruises the chl-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 chl-a concentration [Dieckmann et al., 1998]. The dataset consists of 1300 geo-referenced ice cores, consisting of 8247 individual ice core sections, and including 990 vertical profiles with a minimum of three sections. An updated dataset was provided in 2017-12-15, which included a compilation Net CDF file.

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Title ASPeCt-Bio: Chlorophyll a in Antarctic sea ice from historical ice core dataset
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/1ec78073-7a0f-40a3-8582-a7f877179b05
Contact Point
CSIRO Oceans & Atmosphere
metadata@aad.gov.au
Reference Period 14/11/1983 - 16/12/2008
Geospatial Coverage {"type": "Polygon", "coordinates": [[[-180.0, -76.0], [180.0, -76.0], [180.0, -60.0], [-180.0, -60.0], [-180.0, -76.0]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "ASPeCt-Bio: Chlorophyll a in Antarctic sea ice from historical ice core dataset". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/aspect-bio-chlorophyll-a-in-antarctic-sea-ice-from-historical-ice-core-dataset

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