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Title {'en': 'Vegetated Islands Polygons - 100 Islands Research', 'fr': "Polygones d'îles végétalisées - 100 Islands Research"}
URL ca-cioos_55daf524-146e-4b06-8c6c-3255c7e3c77a
Description {'en': 'WorldView-2 imagery was used to classify vegetated land, barren shoreline, and water. The classification was then cleaned and converted to polygons. The interior island polygons were dissolved to remove any holes in islands. The final polygons represent Island interiors (mostly vegetated) and shoreline in the 100 Islands research area. Not all 100 islands study islands are shown in this dataset, since the imagery did not completely cover all islands.\n\nThe "Class" field denotes whether the polygon is Land (meaning vegetated inland), or Shore.\n\nThe imagery were collected on the following dates: May 8 2011, May 11 2014, Aug 13 2014, and June 4 2015. The imagery were atmospherically corrected with the ATCOR algorithm. The imagery was classified with an unsupervised ISO cluster classification, which was collapsed into water and land classes. The vegetated land area was classified with a 5x5 median filtered NDVI image threshold, which varied by scene. The raster classification was converted to polygons, and interior polygons were removed with a union analysis.', 'fr': "L'imagerie WorldView-2 a été utilisée pour classer les terres végétalisées, les rives stériles et les eaux. La classification a ensuite été nettoyée et convertie en polygones. Les polygones des îles intérieures ont été dissous pour éliminer tout trou dans les îles. Les polygones finaux représentent l'intérieur de l'île (principalement végétalisé) et le littoral dans la zone de recherche des 100 îles. Les 100 îles étudiées ne sont pas toutes représentées dans ce jeu de données, car les images ne couvrent pas toutes les îles.\n\nLe champ «\xa0Classe\xa0» indique si le polygone est Terre (ce qui signifie l'intérieur des terres végétalisées) ou Shore.\n\nLes images ont été collectées aux dates suivantes\xa0: 8 mai 2011, 11 mai 2014, 13 août 2014 et 4 juin 2015. Les images ont été corrigées de l'atmosphère à l'aide de l'algorithme ATCOR. L'imagerie a été classée à l'aide d'une classification ISO par grappes non supervisée, qui a été réduite en classes d'eau et de terre. La superficie végétalisée a été classée avec un seuil d'image NDVI filtré médian de 5x5, qui variait selon la scène. La classification raster a été convertie en polygones, et les polygones intérieurs ont été supprimés à l'aide d'une analyse d'union."}
Keywords {'en': ['oceans', 'downloadable-data', '100-islands', 'worldview2', 'land', 'marine', 'vegetation', 'ndvi', 'remote-sensing', 'other', 'other'], 'fr': ['autre']}
Ocean Variables Other
Citation [{\"type\": \"dataset\", \"id\": \"ca.cioos_55daf524-146e-4b06-8c6c-3255c7e3c77a\", \"author\": [{\"literal\": \"Hakai Institute\"}], \"issued\": [{\"date-parts\": [\"2016\", \"01\", \"21\"]}], \"abstract\": \"WorldView-2 imagery was used to classify vegetated land, barren shoreline, and water. The classification was then cleaned and converted to polygons. The interior island polygons were dissolved to remove any holes in islands. The final polygons represent Island interiors (mostly vegetated) and shoreline in the 100 Islands research area. Not all 100 islands study islands are shown in this dataset, since the imagery did not completely cover all islands.\n\nThe \\"Class\\" field denotes whether the polygon is Land (meaning vegetated inland), or Shore.\n\nThe imagery were collected on the following dates: May 8 2011, May 11 2014, Aug 13 2014, and June 4 2015. The imagery were atmospherically corrected with the ATCOR algorithm. The imagery was classified with an unsupervised ISO cluster classification, which was collapsed into water and land classes. The vegetated land area was classified with a 5x5 median filtered NDVI image threshold, which varied by scene. The raster classification was converted to polygons, and interior polygons were removed with a union analysis.\", \"edition\": \"\", \"edition-date\": \"\", \"publisher\": \"\", \"title\": \"Vegetated Islands Polygons - 100 Islands Research\", \"language\": \"en\", \"URL\": \"https://catalogue.hakai.org/dataset/ca-cioos_55daf524-146e-4b06-8c6c-3255c7e3c77a?local=en\"}]
License CC-BY-4.0
Scope Dataset
Status Completed
Topic Category oceans
Associated Datasets
Metadata Dates
Metadata Date 1
Date
2021-09-23
Type
Publication
Metadata Date 2
Date
2021-09-23
Type
Revision
Resource Dates
Resource Date 1
Date
2016-01-21
Type
Publication
Maintenance and update frequency As Needed
Maintenance Note Generated from https://cioos-siooc.github.io/metadata-entry-form
Point of Contact
Point of Contact 1
Name
Hakai Geospatial Technology Team
Affiliation
Hakai Institute
Email
data@hakai.org
Role
  • Custodian
  • Point of Contact
Point of Contact 2
Name
Luba Reshitnyk
Affiliation
Hakai Institute
Role
Point of Contact
Responsible Party
Responsible Party 1
Affiliation
Hakai Institute
Email
data@hakai.org
Role
  • Owner
  • Resource Provider
Distributor
Distributor 1
Affiliation
Hakai Institute
Email
data@hakai.org
Role
Distributor
Spatial Extent { "coordinates": [ [ [ -128.6993408203125, 51.368351060511344 ], [ -127.4908447265625, 51.368351060511344 ], [ -127.4908447265625, 52.197506856993925 ], [ -128.6993408203125, 52.197506856993925 ], [ -128.6993408203125, 51.368351060511344 ] ] ], "type": "Polygon" }
North Bounding Latitude 52.197506856993925
South Bounding Latitude 51.368351060511344
East Bounding Longitude -127.4908447265625
West Bounding Longitude -128.6993408203125
Temporal Extent
Vertical Extent
Min
0.0
Max
500.0
Default Locale English
Citation identifier
XML Metadata File Location https://pac-dev1.cioos.org/dev/metadata/hakai/vegetated_islands_polygons___1_55daf.xml
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<gco:CharacterString>WWW:LINK</gco:CharacterString> </cit:protocol> <cit:function> <cit:CI_OnLineFunctionCode codeList="https://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#CI_OnLineFunctionCode" codeListValue="information"></cit:CI_OnLineFunctionCode> </cit:function> </cit:CI_OnlineResource> </cit:onlineResource> </cit:CI_Contact> </cit:contactInfo> </cit:CI_Organisation> </cit:party> </cit:CI_Responsibility> </cit:citedResponsibleParty> </cit:CI_Citation> </mri:citation> <mri:abstract xsi:type="lan:PT_FreeText_PropertyType"> <gco:CharacterString>WorldView-2 imagery was used to classify vegetated land, barren shoreline, and water. The classification was then cleaned and converted to polygons. The interior island polygons were dissolved to remove any holes in islands. The final polygons represent Island interiors (mostly vegetated) and shoreline in the 100 Islands research area. Not all 100 islands study islands are shown in this dataset, since the imagery did not completely cover all islands. The &#34;Class&#34; field denotes whether the polygon is Land (meaning vegetated inland), or Shore. The imagery were collected on the following dates: May 8 2011, May 11 2014, Aug 13 2014, and June 4 2015. The imagery were atmospherically corrected with the ATCOR algorithm. The imagery was classified with an unsupervised ISO cluster classification, which was collapsed into water and land classes. The vegetated land area was classified with a 5x5 median filtered NDVI image threshold, which varied by scene. 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Les images ont été corrigées de l&#39;atmosphère à l&#39;aide de l&#39;algorithme ATCOR. L&#39;imagerie a été classée à l&#39;aide d&#39;une classification ISO par grappes non supervisée, qui a été réduite en classes d&#39;eau et de terre. La superficie végétalisée a été classée avec un seuil d&#39;image NDVI filtré médian de 5x5, qui variait selon la scène. 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</gex:temporalElement> </gex:EX_Extent> </mri:extent> <mri:resourceMaintenance> <mmi:MD_MaintenanceInformation> <mmi:maintenanceAndUpdateFrequency> <mmi:MD_MaintenanceFrequencyCode codeList="http://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#MD_MaintenanceFrequencyCode" codeListValue="asNeeded">asNeeded</mmi:MD_MaintenanceFrequencyCode> </mmi:maintenanceAndUpdateFrequency> <mmi:maintenanceNote> <gco:CharacterString>Generated from https://cioos-siooc.github.io/metadata-entry-form</gco:CharacterString> </mmi:maintenanceNote> </mmi:MD_MaintenanceInformation> </mri:resourceMaintenance> <mri:descriptiveKeywords> <mri:MD_Keywords> <mri:keyword> <gco:CharacterString>Oceans</gco:CharacterString> </mri:keyword> <mri:thesaurusName> <cit:CI_Citation> <cit:title> <gco:CharacterString>Government of Canada Core Subject Thesaurus</gco:CharacterString> </cit:title> <cit:date> <cit:CI_Date> <cit:date> <gco:Date>2016-10-13</gco:Date> </cit:date> <cit:dateType> <cit:CI_DateTypeCode 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Attribution 4.0 Attribution</gco:CharacterString> </cit:title> <cit:identifier> <mcc:MD_Identifier> <mcc:code> <gco:CharacterString>CC-BY-4.0</gco:CharacterString> </mcc:code> </mcc:MD_Identifier> </cit:identifier> <cit:onlineResource> <cit:CI_OnlineResource> <cit:linkage> <gco:CharacterString>https://creativecommons.org/licenses/by/4.0</gco:CharacterString> </cit:linkage> <cit:protocol> <gco:CharacterString>WWW:LINK</gco:CharacterString> </cit:protocol> </cit:CI_OnlineResource> </cit:onlineResource> </cit:CI_Citation> </mco:reference> <mco:useConstraints> <mco:MD_RestrictionCode codeList="https://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#MD_RestrictionCode" codeListValue="licence" /> </mco:useConstraints> </mco:MD_LegalConstraints> </mri:resourceConstraints> <mri:resourceConstraints> <mco:MD_Constraints> <mco:useLimitation> <gco:CharacterString>Appropriate credit must be given to Hakai Institute and the authors of the dataset.</gco:CharacterString> 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Organization 8098fd34-269d-46b0-b2a3-5349e3f6475e
Version
Initial dataset map max zoom level
Projects
    Data Centre
      Included in Data Catalogue
      Included in Data Catalogue 1
      Name
      {'fr': 'Hakai Data Catalogue', 'en': 'Hakai Data Catalogue'}
      Description
      {'fr': 'Science on the Coastal Margin', 'en': 'Science on the Coastal Margin'}
      URL
      https://catalogue.hakai.org