NOAA/PIFSC Towed Diver Survey Centroids: Main Hawaiian Islands
Within the depth limits of safe, no-decompression SCUBA diving (generally to 90 feet depth), NOAA-certified Pacific Islands Fisheries Science Center (PIFSC) divers conduct towed diver surveys (TDS) as a method of assessing relatively large areas of reef habitat. This method involves towing two divers (one collecting fish data, the other collecting benthic data) behind a small surface craft that is moving at a velocity of 1-2 mph. Although the driver of the surface craft attempts to follow a depth contour, the divers also actively maneuver the "towboards" they are holding onto so as to maintain a relatively constant elevation above the surface of the reef. Towed-diver surveys are typically 50 min long and cover about 2-3 km of habitat. This map layer shows the centroid location of towed diver surveys conducted throughout the main Hawaiian Islands between the years 2005-2010.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| contactPoint |
{
"fn": "NOAA Pacific Islands Fisheries Science Center (PIFSC)",
"@type": "vcard:Contact",
"hasEmail": "mailto:pifsc.info@noaa.gov"
}
|
| describedByType | application/octet-steam |
| description | Within the depth limits of safe, no-decompression SCUBA diving (generally to 90 feet depth), NOAA-certified Pacific Islands Fisheries Science Center (PIFSC) divers conduct towed diver surveys (TDS) as a method of assessing relatively large areas of reef habitat. This method involves towing two divers (one collecting fish data, the other collecting benthic data) behind a small surface craft that is moving at a velocity of 1-2 mph. Although the driver of the surface craft attempts to follow a depth contour, the divers also actively maneuver the "towboards" they are holding onto so as to maintain a relatively constant elevation above the surface of the reef. Towed-diver surveys are typically 50 min long and cover about 2-3 km of habitat. This map layer shows the centroid location of towed diver surveys conducted throughout the main Hawaiian Islands between the years 2005-2010. |
| distribution |
[
{
"@type": "dcat:Distribution",
"title": "GeoServer",
"accessURL": "https://geo.pacioos.hawaii.edu/geoserver/",
"mediaType": "text/html",
"description": "This URL provides access to this dataset via GeoServer, which offers multiple output formats and an OpenLayers viewer.",
"describedByType": "application/octet-stream"
},
{
"@type": "dcat:Distribution",
"accessURL": "https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center",
"mediaType": "text/html",
"describedByType": "application/octet-stream"
}
]
|
| identifier | https://data.noaa.gov/waf/NOAA/ioos/iso/xml/hi_cred_all_tow_sites.xml |
| isPartOf | Pacific Islands Ocean Observing System (PacIOOS) |
| issued | 2016-01-25T00:00:00.000+00:00 |
| keyword |
[
"Earth Science > Biological Classification > Animals/Vertebrates > Fish",
"Earth Science > Biosphere > Aquatic Ecosystems > Reef Habitat",
"Earth Science > Human Dimensions > Environmental Governance/Management > Environmental Assessments",
"Earth Science > Oceans > Aquatic Sciences > Fisheries",
"Earth Science > Oceans > Coastal Processes > Coral Reefs",
"Earth Science > Oceans > Marine Environment Monitoring",
"Continent > North America > United States Of America > Hawaii",
"Ocean > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands",
"PacIOOS > Pacific Islands Ocean Observing System",
"PacIOOS > Pacific Islands Ocean Observing System"
]
|
| landingPage | https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center |
| language |
[]
|
| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2016-01-25T00:00:00.000+00:00 |
| publisher |
{
"name": "Pacific Islands Ocean Observing System (PacIOOS)",
"@type": "org:Organization"
}
|
| spatial | -154.83979027,18.90836853,-160.54516804,22.23705898 |
| title | NOAA/PIFSC Towed Diver Survey Centroids: Main Hawaiian Islands |
