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Cetacean visual observations, samples and environmental parameters collected onboard the NOAA Ship Gordon Gunter (GU) in the Gulf of America (formerly U.S. Gulf of Mexico) from 2009-06-13 to 2009-08-12 (survey GU0903) (NCEI Accession 0304467)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: May 06, 2026 at 03:36 AM | Dataset Last Updated: August 26, 2025 at 12:00 AM
The Southeast Fisheries Science Center (SEFSC) conducted a shipboard survey in the Gulf of America (formerly U.S. waters of the Gulf of Mexico) from approximately the 200m isobath out to the U.S. Exclusive Economic Zone (EEZ) from Key West, FL to the U.S.-Mexico border. The survey was conducted between June 10, 2009 and August 13, 2009 onboard the NOAA Ship Gordon Gunter. A visual line-transect and passive acoustic survey was conducted to estimate the abundance and spatial distribution of marine mammals in U.S. oceanic waters. A second objective of the survey was to conduct a pilot study to characterize sperm whale prey using fisheries acoustics equipment and a mid-water trawl. This dataset includes marine mammal visual observation data and effort points with surveying conditions that can be used in abundance and density modeling per visual line-transect survey protocols. This dataset also includes opportunistic marine mammal photographs and non-marine mammal sightings such as sea turtles. Trawl catch data and associated photographs are also provided. Environmental data collected via Conductivity, Temperature, Depth (CTD) sensor and expendable bathythermographs (XBT) are also included.

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0304467 biological data cloud amount/frequency DEPTH - BOTTOM DISSOLVED OXYGEN GLARE LATITUDE LONGITUDE

Complete Metadata
@type dcat:Dataset
accessLevel non-public
contactPoint 
                                            {
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describedByType application/octet-steam
description The Southeast Fisheries Science Center (SEFSC) conducted a shipboard survey in the Gulf of America (formerly U.S. waters of the Gulf of Mexico) from approximately the 200m isobath out to the U.S. Exclusive Economic Zone (EEZ) from Key West, FL to the U.S.-Mexico border. The survey was conducted between June 10, 2009 and August 13, 2009 onboard the NOAA Ship Gordon Gunter. A visual line-transect and passive acoustic survey was conducted to estimate the abundance and spatial distribution of marine mammals in U.S. oceanic waters. A second objective of the survey was to conduct a pilot study to characterize sperm whale prey using fisheries acoustics equipment and a mid-water trawl. This dataset includes marine mammal visual observation data and effort points with surveying conditions that can be used in abundance and density modeling per visual line-transect survey protocols. This dataset also includes opportunistic marine mammal photographs and non-marine mammal sightings such as sea turtles. Trawl catch data and associated photographs are also provided. Environmental data collected via Conductivity, Temperature, Depth (CTD) sensor and expendable bathythermographs (XBT) are also included.
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0304467.xml
issued 2025-05-20T00:00:00.000+00:00
keyword 
                                            [
  "0304467",
  "biological data",
  "cloud amount/frequency",
  "DEPTH - BOTTOM",
  "DISSOLVED OXYGEN",
  "GLARE",
  "LATITUDE",
  "LONGITUDE",
  "SALINITY",
  "SEA STATE",
  "VISIBILITY",
  "WATER DENSITY",
  "WATER TEMPERATURE",
  "WEATHER",
  "bathythermograph - XBT",
  "BIG EYE BINOCULARS",
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  "NOAA Southeast Fisheries Science Center Miami Laboratory",
  "NOAA Southeast Fisheries Science Center Pascagoula Laboratory",
  "University of Miami",
  "NOAA Southeast Fisheries Science Center Miami Laboratory",
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  "Gulf of Mexico",
  "oceanography",
  "DOC/NOAA/NMFS/SEFSC > Southeast Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
  "EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD PROPERTIES > CLOUD FREQUENCY",
  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION",
  "EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN",
  "EARTH SCIENCE > OCEANS > OCEAN OPTICS",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > OCEAN WAVES > SEA STATE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Baleen Whales",
  "DOC/NOAA/NMFS/SEFSC",
  "Gulf of America",
  "United States of America",
  "atmospheric/ocean indicators",
  "biological sampling",
  "biopsy",
  "cetacean, VISUAL OBSERVATION, SIGHTING, LINE TRANSECT SAMPLING",
  "dolphins",
  "endangered species",
  "indicator species",
  "marnine mammal",
  "population abundance",
  "species abundance",
  "species distribution models",
  "species/population interactions",
  "toothed whales",
  "BIG EYE BINOCULARS",
  "CAMERA > CAMERA",
  "CTD > Conductivity, Temperature, Depth",
  "Line Transect Sampling",
  "TRAWL",
  "XBT > Expendable Bathythermographs",
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  "Ships",
  "GORDON GUNTER (call sign: WTEO, ICES code: 33GG, 1998-)",
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  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO",
  "7MLN7A"
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landingPage https://www.ncei.noaa.gov/contact
language 
                                            []
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-08-26T00:00:00.000+00:00
publisher 
                                            {
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
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references 
                                            [
  "https://doi.org/10.25923/hxtw-wj12",
  "https://doi.org/10.3334/cdiac/otg.coast_gu2009"
]
rights otherRestrictions
spatial -83.9181,24.12973,-96.20272,29.21618
temporal 2009-06-13T00:00:00+00:00/2009-08-12T00:00:00+00:00
title Cetacean visual observations, samples and environmental parameters collected onboard the NOAA Ship Gordon Gunter (GU) in the Gulf of America (formerly U.S. Gulf of Mexico) from 2009-06-13 to 2009-08-12 (survey GU0903) (NCEI Accession 0304467)

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