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Diel seawater carbonate chemistry observations from a suite of instrumentation deployed at coral reef sites in Batangas, Philippines from May 21-31, 2015

Published by Pacific Islands Fisheries Science Center | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: February 07, 2026 | Last Modified: 2017-01-01T00:00:00.000+00:00
The data provided in this data set are from diel surveys conducted by the NOAA Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD)---formerly the Coral Reef Ecosystem Division---in the Philippines from May 21-31, 2015. The ocean acidification diel suite is an autonomous instrument package that measures diel variability in coral reef seawater carbonate chemistry. These diel suites were deployed on hard-bottom shallow-water (< 15 m) habitats at fixed climate survey sites located within coral reef ecosystems. The 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. 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 consisted of: 1 SBE-19plus CTD sensor, 1 Nortek Acoustic Doppler Current Profiler (ADCP), 1 Satlantic SeaFET Ocean pH sensor, 1 SBE 43 dissolved oxygen sensor co-located with the CTD, and up to 9 Programmable Underwater Collectors (PUCs), each of which collected 1 water sample at 4-hour intervals. Instruments deployed, samples collected, and sample intervals are recorded in the summary file in the data package.

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483 Climate, Biodiversity and Fisheries in the Coral Triangle: Embracing the E in Ecosystem Approaches to Fisheries Management Numeric Data Sets > Oceanography EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Baseline studies EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > In Situ Chemical EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > In Situ Physical EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs EARTH SCIENCE > Oceans > Ocean Chemistry > Alkalinity EARTH SCIENCE > Oceans > Ocean Chemistry > Carbon Dioxide > Partial Pressure EARTH SCIENCE > Oceans > Ocean Chemistry > Carbonate Chemistry EARTH SCIENCE > Oceans > Ocean Chemistry > Chemistry Monitoring and Assessment EARTH SCIENCE > Oceans > Ocean Chemistry > Climate Change EARTH SCIENCE > Oceans > Ocean Chemistry > Dissolution EARTH SCIENCE > Oceans > Ocean Chemistry > Dissolved Gases EARTH SCIENCE > Oceans > Ocean Chemistry > Dissolved Inorganic Carbon EARTH SCIENCE > Oceans > Ocean Chemistry > Ocean Acidification EARTH SCIENCE > Oceans > Ocean Chemistry > Oxygen EARTH SCIENCE > Oceans > Ocean Chemistry > Saturation State EARTH SCIENCE > Oceans > Ocean Chemistry > pH EARTH SCIENCE > Oceans > Ocean Circulation EARTH SCIENCE > Oceans > Ocean Circulation > Water Current Direction EARTH SCIENCE > Oceans > Ocean Circulation > Water Velocity EARTH SCIENCE > Oceans > Ocean Temperature > Water Temperature EARTH SCIENCE > Oceans > Ocean Temperature > Water Temperature > Bottom EARTH SCIENCE > Oceans > Salinity/Density > Conductivity EARTH SCIENCE > Oceans > Salinity/Density > Density EARTH SCIENCE > Oceans > Salinity/Density > Salinity ARAGONITE SATURATION STATE CONDUCTIVITY CURRENT METER - DIRECTION CURRENT METER - SPEED DEPTH - SENSOR DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN HYDROSTATIC PRESSURE SALINITY SIGMA-T WATER TEMPERATURE pH partial pressure of carbon dioxide - water total alkalinity ADCP CTD - moored CTD Coulometer for DIC measurement oxygen meter pH sensors titrator continuous current measurements in situ laboratory analyses physical time series profile water chemistry CORAL REEF STUDIES Coral Reef Conservation Program Coral Triangle Initiative US DOC; NOAA; NMFS; Pacific Islands Fisheries Science Center; Ecosystem Sciences Division COUNTRY/TERRITORY > Philippines > Batangas > Mabini (13N120E0032) COUNTRY/TERRITORY > Philippines > Batangas > Tingloy (13N120E0009) COUNTRY/TERRITORY > Philippines > Batangas > Twin Rocks Sanctuary (13N120E0005) OCEAN BASIN > Pacific Ocean > South China Sea > Balayan Bay > Mabini (13N120E0032) OCEAN BASIN > Pacific Ocean > South China Sea > Balayan Bay > Twin Rocks Sanctuary (13N120E0005) OCEAN BASIN > Pacific Ocean > South China Sea > Maricaban Island > Tingloy (13N120E0009) NW Pacific (limit-180) ADCP Acoustic Doppler Current Profiler CRED CREP CTD Coral Reef Ecosystem Division Coral Reef Ecosystem Program Coral Triangle Initiative ESD Ecosystem Sciences Division Ocean pH PIFSC PUC Pacific Islands Fisheries Science Center Programmable Underwater Collector USAID United States Agency for International Development conductivity temperature depth water samples diel Batalang Bato Batong Buhay Philippines Twin Rocks Verde Island Passage DOC/NOAA/NMFS/PIFSC > Pacific Islands Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce Baseline data from Climate Stations in Batangas, Philippines from 2012 to 2015

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