National Coral Reef Monitoring Program: Shallow water conductivity-temperature-depth (CTD) profiles for selected locations across American Samoa

Description

Near-shore shallow water Conductivity-Temperature-Depth (CTD) surveys provided in this collection were conducted at selected sites around American Samoa as part of the ongoing National Coral Reef Monitoring Program (NCRMP). Shallow water CTD surveys provide vertical profiles of temperature, salinity, and turbidity providing indications for water masses and local sea water chemistry changes. These surveys are conducted to characterize the spatial structure of the physical and chemical properties of the ocean environment influencing the living coral reef resources observed during Rapid Ecological Assessments (REA) and towed-diver surveys, both of which are archived separately. Shallow CTD casts are vertical profiles (max 30 meter depth, downcast only) of water column conductivity, temperature, and pressure (Sea-Bird Electronics, SBE19-plus; accuracy of 0.005 S m-1 in conductivity, 0.0002C in temperature, and 0.1% in pressure). A transmissometer (Wetlabs Inc; provides profiles of beam transmittance, related to turbidity) and a dissolved oxygen sensor (Sea-Bird Electronics, SBE43; accuracy of 2% of saturation) are also attached. Data are collected by lowering the CTD in a profiling mode from a small boat at a descent rate of approximately 0.5 to 0.75m s-1 to a maximum depth of 30m. Data processing is performed using Seabird Instrument's SeaSoft SBE Data Processing Software.

Resources

Name Format Description Link
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.7289/v5sj1hxf
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0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
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0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. 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 https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 InPort Metadata Record https://www.fisheries.noaa.gov/inport/item/36761
33 Hoeke, R.K., et al., (2009). Coral reef ecosystem integrated observing system: In-situ oceanographic observations at the US Pacific islands and atolls. Journal of Operational Oceanography, 2(2), 12 https://www.pifsc.noaa.gov/library/pubs/Hoeke_etal_JOO_2009.pdf
0 Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). 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%3ANCRMP-CTD-AmSam.*%22%7D%7D%5D%7D%7D%7D#searchPanel
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0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
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0 NCEI Documents only accession https://www.ncei.noaa.gov/archive/accession/0157633
0 Institution web page https://coralreef.noaa.gov
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0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.7289/v5sj1hxf
0 Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). 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%3ANCRMP-CTD-AmSam.*%22%7D%7D%5D%7D%7D%7D#searchPanel
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Institution web page http://www.pifsc.noaa.gov/cred
0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
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0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
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0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Institution web page http://www.pifsc.noaa.gov/cred
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0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. 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 https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
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0 NCEI Documents only accession https://www.ncei.noaa.gov/archive/accession/0157633
0 Institution web page https://coralreef.noaa.gov
0 InPort Metadata Record https://www.fisheries.noaa.gov/inport/item/36761
33 Hoeke, R.K., et al., (2009). Coral reef ecosystem integrated observing system: In-situ oceanographic observations at the US Pacific islands and atolls. Journal of Operational Oceanography, 2(2), 12 https://www.pifsc.noaa.gov/library/pubs/Hoeke_etal_JOO_2009.pdf
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0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.7289/v5sj1hxf
0 Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). 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%3ANCRMP-CTD-AmSam.*%22%7D%7D%5D%7D%7D%7D#searchPanel
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Institution web page http://www.pifsc.noaa.gov/cred
0 Institution web page https://www.soest.hawaii.edu/cimar/
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0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
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0 Institution web page https://www.soest.hawaii.edu/cimar/
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0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
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0 NCEI Documents only accession https://www.ncei.noaa.gov/archive/accession/0157633
0 Institution web page https://coralreef.noaa.gov
0 InPort Metadata Record https://www.fisheries.noaa.gov/inport/item/36761
33 Hoeke, R.K., et al., (2009). Coral reef ecosystem integrated observing system: In-situ oceanographic observations at the US Pacific islands and atolls. Journal of Operational Oceanography, 2(2), 12 https://www.pifsc.noaa.gov/library/pubs/Hoeke_etal_JOO_2009.pdf
0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.7289/v5sj1hxf
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
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0 Institution web page https://www.soest.hawaii.edu/cimar/
0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
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0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Institution web page https://www.soest.hawaii.edu/cimar/
0 Institution web page http://www.pifsc.noaa.gov/cred
0 Institution web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 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 https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
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0 NCEI Documents only accession https://www.ncei.noaa.gov/archive/accession/0157633
0 Institution web page https://coralreef.noaa.gov
0 InPort Metadata Record https://www.fisheries.noaa.gov/inport/item/36761
33 Hoeke, R.K., et al., (2009). Coral reef ecosystem integrated observing system: In-situ oceanographic observations at the US Pacific islands and atolls. Journal of Operational Oceanography, 2(2), 12 https://www.pifsc.noaa.gov/library/pubs/Hoeke_etal_JOO_2009.pdf
0 Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). 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%3ANCRMP-CTD-AmSam.*%22%7D%7D%5D%7D%7D%7D#searchPanel
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0 NCEI Documents only accession https://www.ncei.noaa.gov/archive/accession/0157633
0 Institution web page https://coralreef.noaa.gov
0 InPort Metadata Record https://www.fisheries.noaa.gov/inport/item/36761
33 Hoeke, R.K., et al., (2009). Coral reef ecosystem integrated observing system: In-situ oceanographic observations at the US Pacific islands and atolls. Journal of Operational Oceanography, 2(2), 12 https://www.pifsc.noaa.gov/library/pubs/Hoeke_etal_JOO_2009.pdf
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Tags

  • crep
  • salinity
  • ofu island (14s169w0013)
  • ocean pressure
  • united states of america
  • american samoa (14s170w0000)
  • reef monitoring and assessment
  • aquatic habitat
  • corals
  • coral reef ecosystem division
  • pifsc
  • biosphere
  • national coral reef monitoring program
  • conductivity
  • tutuila island (14s170w0016)
  • oceans
  • water temperature
  • sea level pressure
  • american samoa
  • numeric data sets
  • ocean temperature
  • profile
  • oceanography
  • swains atoll (11s171w0001)
  • rose atoll
  • 9pnhej
  • density
  • national coral reef monitoring program (ncrmp)
  • ta'u island (14s169w0012)
  • pacific islands fisheries science center
  • manu'a group
  • olosega island (14s169w0014)
  • rose island (14s170w0041)
  • earth science
  • triennial
  • olosega island
  • ramp
  • climate change
  • cred
  • 743
  • ofu (14s169w0002)
  • reef habitat
  • reef assessment and monitoring program
  • ngcy5k
  • ofu island
  • ocean basin
  • in situ physical
  • ecosystem sciences division
  • esd
  • coastal processes
  • salinity/density
  • 91jpu1
  • olosega (14s169w0016)
  • zoology
  • coral reefs
  • rose atoll (14s168w0001)
  • pacific ocean
  • thermocline
  • country/territory
  • coral reef ecosystem program

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