Skip to main content
U.S. flag

An official website of the United States government

Structure from motion images collected during marine debris surveys at coral reef sites entangled with fishing nets at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands from 2018/09/24 to 2018/10/03

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 08:18 AM | Dataset Last Updated: June 19, 2020 at 12:00 AM
The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in search of derelict fishing nets. Surveys were conducted by the NOAA Fisheries, Ecosystem Sciences Division (ESD) from September 24 to October 3, 2018 at Pearl and Hermes Atoll during an ESD-led marine debris mission to the Northwestern Hawaiian Islands (NWHI) aboard the NOAA Ship Oscar Elton Sette. The lagoon at Pearl and Hermes was surveyed equally across the spatial gradient, from locations where derelict fishing nets are common to locations where derelict fishing nets have never been observed. During the 2018 mission, only a subset of marine debris surveys resulted in a SfM survey. Fishing nets were located during swim surveys and selected for SfM if the net was interacting with coral or hard substrate, the depth of the net was within ~1–4 m of the surface, and the area of the net fit within the 9 sq. meter SFM survey plot. A complete SfM survey is comprised of three sets of images. Two sets were taken at each net-impact site, one series “before” and one series “after” the fishing net was removed from the reef. A final set was taken at a paired “control” site that was selected ≥50 m away from the net-impact site. During a SFM survey, a permanent 3 x 3 m plot was established around the center of the fishing net, and the survey plot was photographed using a back and forth swim pattern (“before” photos) for later processing using a SfM approach. The fishing net was then removed and the same area was photographed again in the same way (“after” photos). The paired control site was also photographed using the same method (“control” photos).

Resources

10 resources available

  • NCEI Dataset Landing Page

    TEXT/HTML
    Visit Page

  • Granule Search

    TEXT/HTML
    Visit Page

  • https://www.fisheries.noaa.gov/inport/item/59423

    TEXT/HTML
    Visit Page

  • https://doi.org/10.1016/j.marpolbul.2020.111312

    PLACEHOLDER/VALUE
    Download

  • https://doi.org/10.25923/f19b-je14

    TEXT/HTML
    Visit Page

  • https://doi.org/10.25923/h2q8-jv47

    TEXT/HTML
    Visit Page

  • https://repository.library.noaa.gov/view/noaa/48780

    TEXT/HTML
    Visit Page

  • GCMD Keyword Forum Page

    TEXT/HTML
    Visit Page

  • NCEI Contact Information

    TEXT/HTML
    Visit Page

  • NOAA Library website

    TEXT/HTML
    Visit Page

Find Related Datasets

Search by Tags

Click any tag below to search for similar datasets

0210740 0210811 0210812 images camera benthic biological imagery

Complete Metadata
@type dcat:Dataset
accessLevel non-public
contactPoint 
{
  "fn": "NOAA National Centers for Environmental Information",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:ncei.info@noaa.gov"
}
describedByType application/octet-steam
description The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in search of derelict fishing nets. Surveys were conducted by the NOAA Fisheries, Ecosystem Sciences Division (ESD) from September 24 to October 3, 2018 at Pearl and Hermes Atoll during an ESD-led marine debris mission to the Northwestern Hawaiian Islands (NWHI) aboard the NOAA Ship Oscar Elton Sette. The lagoon at Pearl and Hermes was surveyed equally across the spatial gradient, from locations where derelict fishing nets are common to locations where derelict fishing nets have never been observed. During the 2018 mission, only a subset of marine debris surveys resulted in a SfM survey. Fishing nets were located during swim surveys and selected for SfM if the net was interacting with coral or hard substrate, the depth of the net was within ~1–4 m of the surface, and the area of the net fit within the 9 sq. meter SFM survey plot. A complete SfM survey is comprised of three sets of images. Two sets were taken at each net-impact site, one series “before” and one series “after” the fishing net was removed from the reef. A final set was taken at a paired “control” site that was selected ≥50 m away from the net-impact site. During a SFM survey, a permanent 3 x 3 m plot was established around the center of the fishing net, and the survey plot was photographed using a back and forth swim pattern (“before” photos) for later processing using a SfM approach. The fishing net was then removed and the same area was photographed again in the same way (“after” photos). The paired control site was also photographed using the same method (“control” photos).
distribution 
[
  {
    "@type": "dcat:Distribution",
    "title": "NCEI Dataset Landing Page",
    "accessURL": "https://www.ncei.noaa.gov/archive/accession/PIFSC-SfM-Images-HI",
    "mediaType": "text/html",
    "description": "Navigate directly to the URL for a descriptive web page with download links.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Granule Search",
    "accessURL": "https://www.ncei.noaa.gov/metadata/granule/geoportal/?from=0&size=10&esdsl=%7B%22query%22%3A%7B%22bool%22%3A%7B%22must%22%3A%5B%7B%22query_string%22%3A%7B%22analyze_wildcard%22%3Atrue%2C%22query%22%3A%22fileid%3APIFSC-SfM-Images-HI.*%22%7D%7D%5D%7D%7D%7D#searchPanel",
    "mediaType": "text/html",
    "description": "Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved).",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "https://www.fisheries.noaa.gov/inport/item/59423",
    "accessURL": "https://www.fisheries.noaa.gov/inport/item/59423",
    "mediaType": "text/html",
    "description": "InPort Metadata Record",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "https://doi.org/10.1016/j.marpolbul.2020.111312",
    "mediaType": "placeholder/value",
    "description": "related journal article",
    "downloadURL": "https://doi.org/10.1016/j.marpolbul.2020.111312",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "https://doi.org/10.25923/f19b-je14",
    "accessURL": "https://doi.org/10.25923/f19b-je14",
    "mediaType": "text/html",
    "description": "NOAA Central Library: Related document",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "https://doi.org/10.25923/h2q8-jv47",
    "accessURL": "https://doi.org/10.25923/h2q8-jv47",
    "mediaType": "text/html",
    "description": "NOAA Central Library: Technical Memorandum",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "https://repository.library.noaa.gov/view/noaa/48780",
    "accessURL": "https://repository.library.noaa.gov/view/noaa/48780",
    "mediaType": "text/html",
    "description": "NOAA Central Library: Dataset",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "GCMD Keyword Forum Page",
    "accessURL": "https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords",
    "mediaType": "text/html",
    "description": "Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "NCEI Contact Information",
    "accessURL": "https://www.ncei.noaa.gov/contact",
    "mediaType": "text/html",
    "description": "Information for contacts at NCEI.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "NOAA Library website",
    "accessURL": "https://library.noaa.gov/",
    "mediaType": "text/html",
    "description": "Institution web page",
    "describedByType": "application/octet-stream"
  }
]
identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/PIFSC-SfM-Images-HI.xml
issued 2020-06-06T00:00:00.000+00:00
keyword 
[
  "0210740",
  "0210811",
  "0210812",
  "images",
  "camera",
  "benthic",
  "biological",
  "imagery",
  "in situ",
  "NOAA Ship Oscar Elton Sette",
  "Coral Reef Ecosystem Program",
  "NOAA Pacific Islands Fisheries Science Center",
  "CORAL REEF STUDIES",
  "North Pacific Ocean",
  "Papahānaumokuākea Marine National Monument",
  "oceanography",
  "DOC/NOAA/NMFS > National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
  "Visual Images > Habitats",
  "EARTH SCIENCE > Biosphere > Aquatic Habitat > Benthic Habitat",
  "EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Damage Assessment > Marine Debris",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Benthos Analysis",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > In Situ Biological",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Photographic Analysis",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Benthic biology",
  "EARTH SCIENCE > Oceans > Marine Biology > Coral Communities",
  "CAMERA > CAMERA",
  "Ships",
  "OSCAR ELTON SETTE (call sign: WTEE, ICES code: 33OC, 2003-)",
  "COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Northwestern Hawaiian Islands (28N178W0000)",
  "COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Pearl and Hermes Reef (27N176W0001)",
  "OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands (28N178W0000)",
  "OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands > Pearl and Hermes Reef (27N176W0001)",
  "OCEAN > PACIFIC OCEAN > CENTRAL PACIFIC OCEAN > HAWAIIAN ISLANDS",
  "OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN",
  "51PJPN",
  "AHPU1H",
  "DDDDY5"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2020-06-19T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
}
references 
[
  "https://www.fisheries.noaa.gov/inport/item/59423",
  "https://doi.org/10.1016/j.marpolbul.2020.111312",
  "https://doi.org/10.25923/f19b-je14",
  "https://doi.org/10.25923/h2q8-jv47",
  "https://repository.library.noaa.gov/view/noaa/48780"
]
rights otherRestrictions
spatial -175.788,27.827,-175.821,27.894
temporal 2018-09-24T00:00:00+00:00/2018-10-03T00:00:00+00:00
theme 
[
  "geospatial"
]
title Structure from motion images collected during marine debris surveys at coral reef sites entangled with fishing nets at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands from 2018/09/24 to 2018/10/03

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov