Description

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.

Resources

Format	Description	Link
0	Instrument data from the SBE-43 oxygen sensor co-located with the CTD during diel suite deployments in Batangas, Philippines in 2015.	https://accession.nodc.noaa.gov/0189727
0	Calculated carbonate chemistry data from the water samples collected with diel suite deployment in Batangas, Philippines in 2015. Includes columns as necessary for outsourcing the water sample analysis. Refer to data dictionary for details.	https://accession.nodc.noaa.gov/0189727
0	Instrument data from CTD sensor in diel suite deployments.	https://accession.nodc.noaa.gov/0189727
0	Instrument data from pH sensor in diel suite deployed.	https://accession.nodc.noaa.gov/0189727
0	Instrument data from ADCP in the 2015 diel suite deployments in the Philippines.	https://accession.nodc.noaa.gov/0189727
0	View the complete metadata record on InPort for more information about this dataset.	https://www.fisheries.noaa.gov/inport/item/45954
0	Pacific Island Fisheries Science Center homepage	https://www.pifsc.noaa.gov
0	NOAA PIFSC Coral Reef Ecosystem Program blog post from the 2013 mission to the Philippines.	https://pifscblog.wordpress.com/2013/03/06/verde-island-passage/
27	Official website	https://www.coraltriangleinitiative.org
0	Pacific Islands Fisheries Science Center website	https://www.fisheries.noaa.gov/pacific-islands/ecosystems/surveying-vast-ocean
0	The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.	https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
33	NOAA Data Management Plan for this record on InPort.	https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/45954.pdf
0	Directory folder that contains all instrument datasets as well as the summary file for the diel suite deployments in Batangas, Philippines in 2015.	https://accession.nodc.noaa.gov/0189727
0	Summary of the diel suite deployment in 2015 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.	https://accession.nodc.noaa.gov/0189727

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

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