@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8> a dcat:Dataset ;
    dct:description """Fast ice was sampled roughly every second day over a 4-week period (November 2019) at a coastal site just off Cape Evans (McMurdo Sound). Ice cores were collected to determine vertical profiles of temperature, salinity, as well as the chlorophyll-a concentration in the lowermost 10 cm (two times 5-cm sections) of the ice cores. Measurements also included snow thickness, ice thickness and sea-ice freeboard levels. The data were collected as part of AAS 4546 and contribute to a larger NZ-led project, Antarctica New Zealand Event KS043, led by Dr Andrew Martin (Victoria University Wellington).
Ice cores were sampled from the same 2m2 area using a Kovacs Mark II ice corer (9 cm internal diameter) powered with an electric drill. Snow thickness was measured with a ruler before sampling, and sea ice thickness and freeboard measurements were taken from the resulting ice core holes. Sea ice temperatures were measured with a Testotherm720 thermometer (accuracy 0.2 °C immediately after ice core retrieval from small holes drilled in the core at 5 – 10 cm intervals. Thereafter we sectioned the core in 0.05 to 0.15 m sections using a stainless steel saw. Ice core sections were placed in Milli-Q water washed polyethylene (PE) containers and melted at 4 °C in the dark within 24 to 36 hours after sampling. Ice bulk salinity was determined on the melted samples with a calibrated conductivity meter. Sub-samples of known volume were subsequently filtered onto Whatman GF/F filters and stored frozen (liquid nitrogen) until extraction with acetone for 24 hours at 4 °C in the dark and determination of the chlorophyll a (Chl a) concentration with a Turner Designs 10AU fluorometer according to Arar and Collins (1997, EPA Method 445.0). Chl a is reported in µg l-1 melted sea ice.""" ;
    dct:identifier "a0ecbbfc-3b63-4269-b653-d6ea281077f8" ;
    dct:issued "2025-11-17T11:45:53.928577"^^xsd:dateTime ;
    dct:language "eng" ;
    dct:modified "2025-11-17T11:45:53.928584"^^xsd:dateTime ;
    dct:publisher <https://data.gov.au/organization/0143757a-86ab-43e4-bba6-4a3a2a02b6c4> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((165.0000 -78.0000, 166.0000 -78.0000, 166.0000 -77.0000, 165.0000 -77.0000, 165.0000 -78.0000))"^^gsp:wktLiteral ] ;
    dct:title "Cape Evans sea ice physical and biological properties" ;
    dcat:distribution <https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/a6263ad6-e81a-46f3-a14e-7f30cdabe737>,
        <https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/e02910ed-05f8-4dae-bff8-e204b146ef81>,
        <https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/e3a32a02-2ca3-4f7a-b73f-5bc8a49d7074>,
        <https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/fbefd578-5a4f-463e-977b-96d40f56f855> ;
    dcat:keyword "AMD",
        "AMD/AU",
        "CEOS",
        "CONTINENT > ANTARCTICA > CAPE EVANS",
        "CONTINENT > ANTARCTICA > MCMURDO SOUND",
        "CORING DEVICES > CORING DEVICES",
        "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE",
        "EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEPTH/THICKNESS",
        "EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TEMPERATURE",
        "EARTH SCIENCE > CRYOSPHERE > SEA ICE > SALINITY",
        "EARTH SCIENCE > OCEANS > OCEAN OPTICS > CHLOROPHYLL > CHLOROPHYLL CONCENTRATION",
        "FIELD SURVEYS > FIELD SURVEYS",
        "GEOGRAPHIC REGION > POLAR",
        "ICE CORING SURVEY",
        "SEA ICE ALGAE" .

<https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/a6263ad6-e81a-46f3-a14e-7f30cdabe737> a dcat:Distribution ;
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    dct:format "HTML" ;
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    dct:title "GET DATA > DIRECT DOWNLOAD" ;
    dcat:accessURL <https://data.aad.gov.au/eds/5944/download> .

<https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/e02910ed-05f8-4dae-bff8-e204b146ef81> a dcat:Distribution ;
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    dct:title "Creative Commons by Attribution logo" ;
    dcat:accessURL <https://i.creativecommons.org/l/by/3.0/88x31.png> .

<https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/e3a32a02-2ca3-4f7a-b73f-5bc8a49d7074> a dcat:Distribution ;
    dct:description "Citation reference for this metadata record and dataset." ;
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    dct:title "VIEW RELATED INFORMATION" ;
    dcat:accessURL <https://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4546_CapeEvans_SeaIce_2019> .

<https://data.gov.au/dataset/a0ecbbfc-3b63-4269-b653-d6ea281077f8/resource/fbefd578-5a4f-463e-977b-96d40f56f855> a dcat:Distribution ;
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    dct:modified "2025-11-17T11:45:53.894377"^^xsd:dateTime ;
    dct:title "PROJECT HOME PAGE" ;
    dcat:accessURL <https://secure3.aad.gov.au/proms/public/projects/report_project_public.cfm?project_no=AAS_4546> .

<https://data.gov.au/organization/0143757a-86ab-43e4-bba6-4a3a2a02b6c4> a foaf:Agent ;
    foaf:mbox "info@aodn.org.au" ;
    foaf:name "Australian Ocean Data Network" .