@prefix void:  <http://rdfs.org/ns/void#> .
@prefix os:    <http://a9.com/-/spec/opensearch/1.1/> .
@prefix adms:  <http://www.w3.org/ns/adms#> .
@prefix owl:   <http://www.w3.org/2002/07/owl#> .
@prefix gsp:   <http://www.opengis.net/ont/geosparql#> .
@prefix xsd:   <http://www.w3.org/2001/XMLSchema#> .
@prefix skos:  <http://www.w3.org/2004/02/skos/core#> .
@prefix eo:    <http://a9.com/-/opensearch/extensions/eo/1.0/> .
@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix geo:   <http://a9.com/-/opensearch/extensions/geo/1.0/> .
@prefix dct:   <http://purl.org/dc/terms/> .
@prefix sru:   <http://a9.com/-/opensearch/extensions/sru/2.0/> .
@prefix ldp:   <http://www.w3.org/ns/ldp#> .
@prefix owc:   <http://www.opengis.net/ont/owc/1.0/> .
@prefix iana:  <http://www.iana.org/assignments/relation/> .
@prefix time:  <http://a9.com/-/opensearch/extensions/time/1.0/> .
@prefix locn:  <http://www.w3.org/ns/locn#> .
@prefix atom:  <http://www.w3.org/2005/Atom/> .
@prefix dcat:  <http://www.w3.org/ns/dcat#> .
@prefix prov:  <http://www.w3.org/ns/prov#> .
@prefix foaf:  <http://xmlns.com/foaf/0.1/> .
@prefix dc:    <http://purl.org/dc/elements/1.1/> .

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        dct:description  "ESA Earth Observation User Services Portal"@en ;
        dct:title        "Get Help?"@en .

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        dct:bibliographicCitation  "European Space Agency, 2023, SMOS-CryoSat L4 Sea Ice Thickness, Version 206." ;
        dct:description            "The SMOS-CryoSat merged Sea Ice Thickness Level 4 product, in NetCDF format, is based on estimates from both the MIRAS and the SIRAL instruments, with a significant reduction in the relative uncertainty for the thickness of the thin ice.  A weekly averaged product is generated every day by the Alfred Wegener Institut (AWI), by merging the weekly AWI CryoSat-2 sea ice product and the daily SMOS sea ice thickness retrieval.  All grids are projected onto the 25 km EASE2 Grid, based on a polar aspect spherical Lambert azimuthal equal-area projection. The grid dimension is 5400 x 5400 km, equal to a 432 x 432 grid centered on the geographic Pole.  Coverage is limited to the October-April (winter) period for the Northern Hemisphere, due to the melting season, from year 2010 onwards." ;
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<https://spaces.awi.de/display/CS2SMOS/CryoSat-SMOS+Merged+Sea+Ice+Thickness>
        a                foaf:Document ;
        dct:description  "SMOS Merged Sea Ice Thickness at the Alfred Wegener Institut (AWI) - Website"@en ;
        dct:title        "CryoSat"@en .

<https://earth.esa.int/concept/7eb92e2a-7b12-56a7-be1a-a71c97778559>
        a               prov:Entity , skos:Concept ;
        dct:title       "SMOS" ;
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<https://earth.esa.int/eogateway/documents/20142/37627/CryoSat-2-SMOS-Merged-Product-Description-Document-PDD.pdf>
        a                foaf:Document ;
        dct:description  "SMOS Merged Sea Ice Thickness Products Description Document (PDD) - Product Specifications"@en ;
        dct:title        "CryoSat"@en .

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        a               skos:Concept ;
        skos:inScheme   "https://earth.esa.int/concepts/concept_scheme/instruments" ;
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<https://earth.esa.int/eogateway/documents/20142/0/CryoSat-2-SMOS-ATBD.pdf/9ba793ce-2cfa-cc59-1b0e-8e18b7180f30>
        a                foaf:Document ;
        dct:description  "SMOS Merged Product Algorithm Theoretical Basis Document (ATBD) - Algorithm Theoretical Baseline Document"@en ;
        dct:title        "CryoSat"@en .

<https://earth.esa.int/concept/eef7ff15-c5e7-5d18-bcce-8f9dc6bbe289>
        a               skos:Concept ;
        skos:inScheme   "https://earth.esa.int/concepts/concept_scheme/earth-topics" ;
        skos:prefLabel  "Sea Ice" .

<https://earth.esa.int/eogateway/documents/20142/37627/Read-me-first-note-for-the-release-of-theCryoSat-2-SMOS-Merged-Sea-Ice-Thickness.pdf>
        a                foaf:Document ;
        dct:description  "me-first note for the release of CryoSat-SMOS Merged Sea Ice Thickness - Product Specifications"@en ;
        dct:title        "Read"@en .

<https://gcmd.earthdata.nasa.gov/kms/concept/fa0a36c3-2503-4662-98cd-7f3e74ce9f80>
        a               skos:Concept ;
        skos:inScheme   "https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords" ;
        skos:prefLabel  "EARTH SCIENCE>CRYOSPHERE" .

<https://earth.esa.int/concept/e6a9631e-b7cf-5b3e-b414-1600379a72b3>
        a               skos:Concept ;
        skos:inScheme   "https://earth.esa.int/concepts/concept_scheme/earth-topics" ;
        skos:prefLabel  "Cryosphere" .

<https://maap.eo.esa.int/metadata-codelist/access-right/ESA_open_and_free>
        a               skos:Concept ;
        skos:inScheme   "https://maap.eo.esa.int/metadata-codelist/access-right" ;
        skos:prefLabel  "ESA_open_and_free" .

<https://gcmd.earthdata.nasa.gov/kms/concept/a641c997-0bd2-41aa-ba43-8e03066c3c2a>
        a               skos:Concept ;
        skos:inScheme   "https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms" ;
        skos:prefLabel  "SMOS" .

<https://gcmd.earthdata.nasa.gov/kms/concept/8df8e3d1-6e77-4146-bd7e-59d64564595b>
        a               skos:Concept ;
        skos:inScheme   "https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments" ;
        skos:prefLabel  "MIRAS" .

<https://earth.esa.int/eogateway/search?category=tools+and+toolboxes&mission=smos&tools_type=analysis%2Cprocessing%2Cvisualisation>
        a                foaf:Document ;
        dct:description  "Software Tools"@en ;
        dct:title        "SMOS Software Tools"@en .

<http://inspire.ec.europa.eu/theme/oi>
        a               skos:Concept ;
        skos:inScheme   "http://www.eionet.europa.eu/gemet/inspire_themes" ;
        skos:prefLabel  "Orthoimagery" .

<https://earth.esa.int/concept/5cda1e1d-7fb8-59c0-8a37-eaceff0ce027>
        a               prov:Entity , skos:Concept ;
        dct:title       "MIRAS" ;
        skos:inScheme   "https://earth.esa.int/concepts/concept_scheme/instruments" ;
        skos:prefLabel  "MIRAS" .

<https://gcmd.earthdata.nasa.gov/kms/concept/860e2af9-ce29-4f3f-b027-ae3747eb3e01>
        a               skos:Concept ;
        skos:inScheme   "https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords" ;
        skos:prefLabel  "EARTH SCIENCE>CRYOSPHERE>SEA ICE" .