National Coral Reef Monitoring Program: Shallow Water Conductivity-Temperature-Depth (CTD) Profiles for select locations across American Samoa from 2015 to 2023

Description

The data described here result from near-shore shallow water Conductivity-Temperature-Depth (CTD) casts conducted at select sites around American Samoa as part of the ongoing National Coral Reef Monitoring Program (NCRMP). These surveys were conducted by the NOAA Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD; formerly the Coral Reef Ecosystem Division) during ESD-led NCRMP missions to American Samoa in 2015, 2018, and 2023. The CTD casts provide vertical profiles (30-m max depth, downcast only) of water column conductivity, temperature, pressure, with calculated depth, salinity, and water density. The CTD (Sea-Bird Electronics, SBE19-plus in 2015 and 2018, RBR Concerto in 2023) was deployed from a small boat using a hand line and held just under the surface for 1 minute to cycle water through the instrument and tubing. Afterward, data were collected by lowering the CTD in profiling mode at an even pace (descent rate ~0.5 to 0.75 meters per second) to a maximum depth of 30 m. Data processing was performed using Sea-Bird Scientific SBE or RBR Ruskin Data Processing Software and the R package "oce".

Resources

Name Format Description Link
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/36761
0 Pacific Island Fisheries Science Center homepage https://www.pifsc.noaa.gov
0 Information about the NOAA National Coral Reef Monitoring Program (NCRMP) on the NOAA Coral Reef Information System website. https://www.coris.noaa.gov/monitoring/
0 Information about the NOAA Ocean Acidification Program (OAP). https://oceanacidification.noaa.gov/
0 PIFSC Ecosystem Sciences Division web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0161169
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). https://accession.nodc.noaa.gov/0226206
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). https://accession.nodc.noaa.gov/0161169
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll) by the PIFSC Ecosystem Sciences Division in 2023 (RA2301). https://accession.nodc.noaa.gov/0300979
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll ) by the PIFSC Ecosystem Sciences Division in 2023 (RA2301). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0300979
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/36761.pdf
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0226206
0 Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. 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 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0226206
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0161169
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). https://accession.nodc.noaa.gov/0226206
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). https://accession.nodc.noaa.gov/0161169
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll) by the PIFSC Ecosystem Sciences Division in 2023 (RA2301). https://accession.nodc.noaa.gov/0300979
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll ) by the PIFSC Ecosystem Sciences Division in 2023 (RA2301). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0300979
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/36761
0 Pacific Island Fisheries Science Center homepage https://www.pifsc.noaa.gov
0 Information about the NOAA National Coral Reef Monitoring Program (NCRMP) on the NOAA Coral Reef Information System website. https://www.coris.noaa.gov/monitoring/
0 Information about the NOAA Ocean Acidification Program (OAP). https://oceanacidification.noaa.gov/
0 PIFSC Ecosystem Sciences Division web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. 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
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/36761.pdf
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0226206
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0161169
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). https://accession.nodc.noaa.gov/0226206
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). https://accession.nodc.noaa.gov/0161169
0 Quality control report generated for CTD data from deployments from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll) by the PIFSC Ecosystem Sciences Division in 2023 (RA2301). https://accession.nodc.noaa.gov/0300979
0 Shallow CTD profiles collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll ) by the PIFSC Ecosystem Sciences Division in 2023 (RA2301). Data include conductivity, temperature, pressure, depth, salinity, and density. https://accession.nodc.noaa.gov/0300979
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/36761
0 Pacific Island Fisheries Science Center homepage https://www.pifsc.noaa.gov
0 Information about the NOAA National Coral Reef Monitoring Program (NCRMP) on the NOAA Coral Reef Information System website. https://www.coris.noaa.gov/monitoring/
0 Information about the NOAA Ocean Acidification Program (OAP). https://oceanacidification.noaa.gov/
0 PIFSC Ecosystem Sciences Division web page https://www.pifsc.noaa.gov/ecosystem_sciences/
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. 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
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/36761.pdf

Tags

  • crep
  • salinity
  • ofu island (14s169w0013)
  • doc/noaa/nmfs/pifsc
  • ocean pressure
  • united states of america
  • american samoa (14s170w0000)
  • pressure - water [hydrostatic pressure]
  • reef monitoring and assessment
  • aquatic habitat
  • coral reef
  • corals
  • rose island
  • coral reef ecosystem division
  • ecosystems
  • pifsc
  • biosphere
  • national coral reef monitoring program
  • conductivity
  • tutuila island (14s170w0016)
  • oceans
  • water temperature
  • rose atoll marine national monument
  • physical
  • coral reef conservation program
  • sigma-t
  • sea level pressure
  • rose island (rose atoll) (14s168w0001)
  • american samoa
  • noaa
  • numeric data sets
  • nmfs
  • ocean temperature
  • profile
  • marine ecosystems
  • oceanography
  • doc/noaa/nmfs/pifsc/esd
  • swains atoll (11s171w0001)
  • us doc
  • ocean acidification program
  • density
  • rainier
  • in situ
  • ta'u island (14s169w0012)
  • pacific islands fisheries science center
  • manu'a group
  • olosega island (14s169w0014)
  • u.s. department of commerce
  • earth science
  • ncrmp
  • national marine fisheries service
  • ocean salinity
  • ocean
  • small boat
  • olosega island
  • ramp
  • climate change
  • cred
  • central pacific ocean
  • amsm
  • 743
  • ofu (14s169w0002)
  • reef habitat
  • reef assessment and monitoring program
  • ofu island
  • ocean basin
  • in situ physical
  • ecosystem sciences division
  • temperature
  • esd
  • coastal processes
  • hi'ialakai
  • conductivity profiles
  • salinity/density
  • reef
  • office of oceanic and atmospheric research
  • olosega (14s169w0016)
  • zoology
  • coral reefs
  • nodc ocean acidification scientific data stewardship
  • ctd
  • pacific ocean
  • country/territory
  • depth
  • south pacific ocean
  • coral reef studies
  • coral reef ecosystem program
  • depth - sensor

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