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Benthic Images from Towed-Diver Surveys in the Main Hawaiian Islands to Assess the Mass Coral Bleaching Event from 2015-11-03 to 2015-11-18 (NCEI Accession 0157611)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 02:53 AM | Dataset Last Updated: January 30, 2017 at 12:00 AM
A team from the Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) deployed on a two-week research cruise in November 2015 to evaluate the impacts of the 2015 mass coral bleaching event in the Main Hawaiian Islands via towed-diver surveys. Areas surveyed included south Oahu, west Maui, Lana’i, and west Hawaii island. Over the course of 10 survey days, the team surveyed approximately 90 km of 15-m wide transects at depths ranging from 2 to 10 m. Data provided in this dataset include benthic images that were collected during the towed-diver surveys from a camera that was mounted to the towboard. A downward-facing DSLR camera with strobes collected these photographic quadrat data by capturing an image of the benthos at 15-second intervals during the surveys. Two additional datasets were collected during the surveys and are documented separately. Towed divers recorded visual estimates of percentage of live coral that was pale and bleached, as well as presence/absence data of condition by generic composition. Oceanographic data was collected continuously throughout each survey with a suite of sensors mounted to the towboard recording conductivity, temperature, depth, fluorometry (chlorophyll-a), turbidity and dissolved oxygen.

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0157611 PHOTOQUADRAT IMAGES camera imagery in situ NOAA Ship Hi'ialakai Coral Reef Ecosystem Program Coral Reef Ecosystem Program

Complete Metadata
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describedByType application/octet-steam
description A team from the Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) deployed on a two-week research cruise in November 2015 to evaluate the impacts of the 2015 mass coral bleaching event in the Main Hawaiian Islands via towed-diver surveys. Areas surveyed included south Oahu, west Maui, Lana’i, and west Hawaii island. Over the course of 10 survey days, the team surveyed approximately 90 km of 15-m wide transects at depths ranging from 2 to 10 m. Data provided in this dataset include benthic images that were collected during the towed-diver surveys from a camera that was mounted to the towboard. A downward-facing DSLR camera with strobes collected these photographic quadrat data by capturing an image of the benthos at 15-second intervals during the surveys. Two additional datasets were collected during the surveys and are documented separately. Towed divers recorded visual estimates of percentage of live coral that was pale and bleached, as well as presence/absence data of condition by generic composition. Oceanographic data was collected continuously throughout each survey with a suite of sensors mounted to the towboard recording conductivity, temperature, depth, fluorometry (chlorophyll-a), turbidity and dissolved oxygen.
distribution 
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0157611.xml
issued 2016-12-20T00:00:00.000+00:00
keyword 
[
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  "PHOTOQUADRAT IMAGES",
  "camera",
  "imagery",
  "in situ",
  "NOAA Ship Hi'ialakai",
  "Coral Reef Ecosystem Program",
  "Coral Reef Ecosystem Program",
  "Coral Reef Conservation Program (CRCP)",
  "CORAL REEF STUDIES",
  "Hawaiian Islands Humpback Whale National Marine Sanctuary",
  "North Pacific Ocean",
  "oceanography",
  "DOC/NOAA/NMFS > National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
  "31075",
  "Observing and Documenting Predicted 2015/2016 Mass Coral Bleaching Events in Hawaii",
  "Visual Images > Habitats",
  "EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat",
  "EARTH SCIENCE > Biosphere > Zoology > Corals",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Bleaching > Bleaching Resistance",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Bleaching Thermal Stress",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Photic Zone Corals",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Habitats",
  "EARTH SCIENCE > Oceans > Marine Biology > Coral",
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  "Coral Reef Ecosystem Program",
  "PIFSC",
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  "TDS",
  "Towed-diver surveys",
  "towboard",
  "towed diver",
  "CAMERA > CAMERA",
  "Ships",
  "Hi'ialakai (call sign: WTEY, ICES code: 33HL, 2004-)",
  "COUNTRY/TERRITORY > United States of America > Hawaii > Hawaii > Hawaii Island (19N155W0003)",
  "COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Oahu (21N157W0003)",
  "COUNTRY/TERRITORY > United States of America > Hawaii > Maui > Lanai Island (20N156W0002)",
  "COUNTRY/TERRITORY > United States of America > Hawaii > Maui > Maui Island (20N156W0004)",
  "COUNTRY/TERRITORY > United States of America > Hawaiian Islands (21N157W0027)",
  "OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands (21N157W0027)",
  "OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Hawaii Island > Hawaii Island (19N155W0003)",
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language 
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license https://creativecommons.org/publicdomain/zero/1.0/
modified 2017-01-30T00:00:00.000+00:00
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rights otherRestrictions
spatial -155.82934199,19.74853696,-157.94722922,21.30306893
temporal 2015-11-03T00:00:00+00:00/2015-11-18T00:00:00+00:00
theme 
[
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]
title Benthic Images from Towed-Diver Surveys in the Main Hawaiian Islands to Assess the Mass Coral Bleaching Event from 2015-11-03 to 2015-11-18 (NCEI Accession 0157611)

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