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Úroveň certifikace: bronzová úroveň 24 October 2015 Co to v praxi znamená: Datová sada splňuje základní požadavky na otevřená data.
Preliminary hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter and bathymetry derivatives at Pagan Island, Commonwealth of the Northern Mariana Islands (CNMI).
Shrnutí
- Co poskytovatel nabízí?
- ongoing release of a series of related datasets
- Databázová licence
- Nevztahuje se
- Licence na obsah
- Creative Commons CCZero
- Způsob ověření
- ověřený automaticky
- Datum vydání
- 26 September 2015
- Datum poslední změny
- 26 September 2015
- Četnost aktualizací
- asNeeded
- Vydavatel
- National Oceanic and Atmospheric Administration, Department of Commerce
- Identifier
- preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145
- Landing Page
- http://catalog.data.gov/dataset/preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145
- Časové rozpětí
- 25 May 2007 — 8 June 2007
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Popis
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Pagan Island, Commonwealth of the Northern Mariana Islands (CNMI). The dataset was derived using Reson 8101 backscatter data, bathymetric variance and bathymetric rugosity. The sonar frequency is 240 kHz for the Reson 8101 backscatter data, which were resampled to a 5 m grid cell size prior to the classification. Limited seafloor photographs for groundtruthing are available for Guam and therefore no supervised classification was performed and we are unable to visually or quantitatively evaluate the accuracy of the unsupervised classification seafloor substrate map. However, in locations such French Frigate Shoals, NWHI and Tutuila, American Samoa, where ground truth data are available, the unsupervised classification method is a robust predictor of substrate type in similar depth ranges and seafloor environments.
Obecné informace
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Dokumentace
http://catalog.data.gov/dataset/preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145 Do you think this data is incorrect? Let us know
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Poskytovatel
National Oceanic and Atmospheric Administration, Department of Commerce Do you think this data is incorrect? Let us know
Právní informace
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Právní prohlášení
http://catalog.data.gov/dataset/preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145 Do you think this data is incorrect? Let us know
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Under which licence can people outside the US reuse this data?
Creative Commons CCZero Do you think this data is incorrect? Let us know
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Obsah chráněný autorským právem
yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know
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Licence obsahu
Creative Commons CCZero Do you think this data is incorrect? Let us know
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Ochrana soukromí
nehraje roli, data se netýkají fyzických osob Do you think this data is incorrect? Let us know
Praktické informace
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Relevantní datové katalogy
http://catalog.data.gov/organization/noaa-gov Do you think this data is incorrect? Let us know
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Frekvence změn
no Do you think this data is incorrect? Let us know
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Zálohování dat
data jsou zálohována offsite Do you think this data is incorrect? Let us know
Technické informace
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Seznam publikovaných datových sad
http://catalog.data.gov/api/rest/package/preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145 Do you think this data is incorrect? Let us know
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Formát dat
standardizovaný, otevřený Do you think this data is incorrect? Let us know
Sociální informace
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Strojově čitelná metadata
název Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
popis Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
hlavní URL Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
URL dokumentace Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
četnost aktualizací Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
poskytovatel Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
distribuce Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
datum vydání Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
datum poslední změny Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
související časové období Do you think this data is incorrect? Let us know
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Strojově čitelná metadata
související geografické území Do you think this data is incorrect? Let us know
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Strojově čitelná metadata k distribucím
datum vydání Do you think this data is incorrect? Let us know
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Strojově čitelná metadata k distribucím
URL pro přístup k datům Do you think this data is incorrect? Let us know
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Strojově čitelná metadata k distribucím
URL datové sady Do you think this data is incorrect? Let us know
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Kontakty
http://catalog.data.gov/dataset/preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145 Do you think this data is incorrect? Let us know
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Zpětná vazba k publikovaným datovým sadám
http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/preliminary-hard-and-soft-bottom-seafloor-substrate-map-derived-from-an-unsupervised-classificaca145 Do you think this data is incorrect? Let us know