National Coral Reef Monitoring Program: Diel seawater carbonate chemistry observations from a suite of instrumentation deployed at coral reef sites at Tutuila Island, American Samoa in 2015 and 2018

Description

The ocean acidification diel suite is an autonomous instrument package that measures diel variability in coral reef seawater carbonate chemistry. Diel suite surveys are conducted by the NOAA Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD) within coral reef ecosystems across the Pacific Islands Region as part of the NOAA National Coral Reef Monitoring Program (NCRMP). The data provided in this data set are from diel suites deployed at select sites at Tutuila Island in March 2015 and June - July 2018, during the ESD-led NCRMP missions to American Samoa.

Diel suites were deployed on the reef for at least 24 hours to measure in-situ salinity, temperature, pressure, pH, current direction and magnitude, and dissolved oxygen (starting 2018). Seawater samples were also collected for laboratory analyses of dissolved inorganic carbon (DIC) and total alkalinity (TA). Components of the carbonate system--including pH, pCO2 (partial pressure of carbon dioxide), and aragonite saturation state--are calculated from DIC, TA, temperature, salinity and pressure. Each diel suite typically consisted of: 1 SBE-19plus CTD sensor, 1 Nortek Acoustic Doppler Current Profiler (ADCP), 1 Satlantic SeaFET Ocean pH sensor, and up to 9 Programmable Underwater Collectors (PUCs), each of which collected 1 water sample at 3- or 4-hour intervals. Starting 2018, 1 SBE-43 oxygen sensor is tethered to the CTD sensor for diel surveys. Diel surveys from 2019 also incorporate stand-alone PAR and DO loggers however they have yet to be conducted in American Samoa. Instruments deployed, samples collected, and sample intervals are recorded in the summary file enclosed with the data package, and exceptions to the standard diel suite are also noted.

Resources

Name Format Description Link
ESD_NCRMP_DS_2015_AMSM_PH Unknown Instrument data from pH sensor in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_SUMMARY Unknown Summary of the diel suite deployment in 2015 at REA Site TUT-75 and TUT-73, with information on the cruise and specific sites, as well as instruments and sampling intervals; different instruments could be deployed at different sites or instruments could have malfunctioned. Open resource
ESD_NCRMP_DS_2015_AMSM_ADCP Unknown Instrument data from ADCP in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_CTD Unknown Instrument data from CTD sensor in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_CTD Unknown Instrument data from CTD sensor in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_SUMMARY Unknown Summary of the diel suite deployment in 2015 at REA Site TUT-75 and TUT-73, with information on the cruise and specific sites, as well as instruments and sampling intervals; different instruments could be deployed at different sites or instruments could have malfunctioned. Open resource
ESD_NCRMP_DS_2015_AMSM_H2O Unknown Instrument data as well as calculated carbonate chemistry data from water samples collected with diel suite deployment during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM Unknown Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployment in American Samoa during ASRAMP in 2015. Open resource
ESD_NCRMP_DS_2015_AMSM_H2O Unknown Instrument data as well as calculated carbonate chemistry data from water samples collected with diel suite deployment during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_PH Unknown Instrument data from pH sensor in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM Unknown Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployment in American Samoa during ASRAMP in 2015. Open resource
ESD_NCRMP_DS_2015_AMSM_ADCP Unknown Instrument data from ADCP in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_ADCP Unknown Instrument data from ADCP in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_PH Unknown Instrument data from pH sensor in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_SUMMARY Unknown Summary of the diel suite deployment in 2015 at REA Site TUT-75 and TUT-73, with information on the cruise and specific sites, as well as instruments and sampling intervals; different instruments could be deployed at different sites or instruments could have malfunctioned. Open resource
ESD_NCRMP_DS_2015_AMSM_CTD Unknown Instrument data from CTD sensor in diel suite deployed during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM_H2O Unknown Instrument data as well as calculated carbonate chemistry data from water samples collected with diel suite deployment during ASRAMP2015 Open resource
ESD_NCRMP_DS_2015_AMSM Unknown Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployment in American Samoa during ASRAMP in 2015. Open resource
ESD_NCRMP_DS_2018_AMSM_DO Unknown Dissolved oxygen data from the SBE-43 oxygen sensor with the diel suite deployment in American Samoa in 2018 at site TUT-74,. Sampling Interval and percent saturation columns are included for diel suite deployments beginning 2019, when a stand-alone DO logger was included to collect DO data on alternating diel suite deployments with the SBE-43 oxygen sensor. Open resource
ESD_NCRMP_DS_2018_AMSM_CTD Unknown CTD Instrument data deployed with diel suite deployment in American Samoa in 2018 at site TUT-74. Includes depth as calculated from pressures as logged by CTD. Open resource
ESD_NCRMP_DS_2018_AMSM_PH Unknown Instrument data from pH sensor in diel suite deployed during ASRAMP2018 at REA Site TUT-74, where data exists. Open resource
ESD_NCRMP_DS_2018_AMSM_ADCP Unknown ADCP Instrument data deployed with diel suite deployment in American Samoa in 2018 at site TUT-74, where data exists. Open resource
ESD_NCRMP_DS_2018_AMSM_DO Unknown Dissolved oxygen data from the SBE-43 oxygen sensor with the diel suite deployment in American Samoa in 2018 at site TUT-74,. Sampling Interval and percent saturation columns are included for diel suite deployments beginning 2019, when a stand-alone DO logger was included to collect DO data on alternating diel suite deployments with the SBE-43 oxygen sensor. Open resource
ESD_NCRMP_DS_2018_AMSM_SUMMARY Unknown Summary of the diel suite deployment in 2018 with information on the cruise and specific sites, as well as instruments and sampling intervals; different instruments could be deployed at different sites or instruments could have malfunctioned. Open resource
ESD_NCRMP_DS_2018_AMSM_CTD Unknown CTD Instrument data deployed with diel suite deployment in American Samoa in 2018 at site TUT-74. Includes depth as calculated from pressures as logged by CTD. Open resource
ESD_NCRMP_DS_2018_AMSM Unknown Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployment in American Samoa during ASRAMP in 2018. Open resource
ESD_NCRMP_DS_2018_AMSM_DO Unknown Dissolved oxygen data from the SBE-43 oxygen sensor with the diel suite deployment in American Samoa in 2018 at site TUT-74,. Sampling Interval and percent saturation columns are included for diel suite deployments beginning 2019, when a stand-alone DO logger was included to collect DO data on alternating diel suite deployments with the SBE-43 oxygen sensor. Open resource
ESD_NCRMP_DS_2018_AMSM Unknown Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployment in American Samoa during ASRAMP in 2018. Open resource
ESD_NCRMP_DS_2018_AMSM_CTD Unknown CTD Instrument data deployed with diel suite deployment in American Samoa in 2018 at site TUT-74. Includes depth as calculated from pressures as logged by CTD. Open resource
ESD_NCRMP_DS_2018_AMSM Unknown Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployment in American Samoa during ASRAMP in 2018. Open resource
ESD_NCRMP_DS_2018_AMSM_PH Unknown Instrument data from pH sensor in diel suite deployed during ASRAMP2018 at REA Site TUT-74, where data exists. Open resource
ESD_NCRMP_DS_2018_AMSM_PH Unknown Instrument data from pH sensor in diel suite deployed during ASRAMP2018 at REA Site TUT-74, where data exists. Open resource
ESD_NCRMP_DS_2018_AMSM_H2O Unknown Calculated carbonate chemistry data from the water samples collected with diel suite deployment in American Samoa in 2018 at site TUT-74. Includes columns as necessary for outsourcing the water sample analysis. Refer to data dictionary for details. Open resource
ESD_NCRMP_DS_2018_AMSM_SUMMARY Unknown Summary of the diel suite deployment in 2018 with information on the cruise and specific sites, as well as instruments and sampling intervals; different instruments could be deployed at different sites or instruments could have malfunctioned. Open resource
ESD_NCRMP_DS_2018_AMSM_ADCP Unknown ADCP Instrument data deployed with diel suite deployment in American Samoa in 2018 at site TUT-74, where data exists. Open resource
ESD_NCRMP_DS_2018_AMSM_ADCP Unknown ADCP Instrument data deployed with diel suite deployment in American Samoa in 2018 at site TUT-74, where data exists. Open resource
ESD_NCRMP_DS_2018_AMSM_SUMMARY Unknown Summary of the diel suite deployment in 2018 with information on the cruise and specific sites, as well as instruments and sampling intervals; different instruments could be deployed at different sites or instruments could have malfunctioned. Open resource
ESD_NCRMP_DS_2018_AMSM_H2O Unknown Calculated carbonate chemistry data from the water samples collected with diel suite deployment in American Samoa in 2018 at site TUT-74. Includes columns as necessary for outsourcing the water sample analysis. Refer to data dictionary for details. Open resource
ESD_NCRMP_DS_2018_AMSM_H2O Unknown Calculated carbonate chemistry data from the water samples collected with diel suite deployment in American Samoa in 2018 at site TUT-74. Includes columns as necessary for outsourcing the water sample analysis. Refer to data dictionary for details. Open resource
GCMD Keyword Forum Page Unknown 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 Open resource
GCMD Keyword Forum Page Unknown 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 Open resource
GCMD Keyword Forum Page Unknown 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 Open resource
NOAA National Coral Reef Monitoring Program Unknown Information about the NOAA National Coral Reef Monitoring Program (NCRMP) on the NOAA Coral Reef Information System website. Open resource
NOAA National Coral Reef Monitoring Program Unknown Information about the NOAA National Coral Reef Monitoring Program (NCRMP) on the NOAA Coral Reef Information System website. Open resource
NOAA National Coral Reef Monitoring Program Unknown Information about the NOAA National Coral Reef Monitoring Program (NCRMP) on the NOAA Coral Reef Information System website. Open resource
Full Metadata Record Unknown View the complete metadata record on InPort for more information about this dataset. Open resource
Full Metadata Record Unknown View the complete metadata record on InPort for more information about this dataset. Open resource
Full Metadata Record Unknown View the complete metadata record on InPort for more information about this dataset. Open resource
NOAA Data Management Plan (DMP) PDF NOAA Data Management Plan for this record on InPort. Open resource
NOAA Data Management Plan (DMP) PDF NOAA Data Management Plan for this record on InPort. Open resource
NOAA Data Management Plan (DMP) PDF NOAA Data Management Plan for this record on InPort. Open resource
Ecosystem Sciences Division Unknown PIFSC Ecosystem Sciences Division web page Open resource
Ecosystem Sciences Division Unknown PIFSC Ecosystem Sciences Division web page Open resource
Ecosystem Sciences Division Unknown PIFSC Ecosystem Sciences Division web page Open resource
Pacific Islands Fisheries Science Center Website Unknown Pacific Island Fisheries Science Center homepage Open resource
Pacific Islands Fisheries Science Center Website Unknown Pacific Island Fisheries Science Center homepage Open resource
Pacific Islands Fisheries Science Center Website Unknown Pacific Island Fisheries Science Center homepage Open resource

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