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Dissolved inorganic carbon, total alkalinity, pH on total scale and other variables collected from profile and discrete sample observations on NOAA Ship Fairweather (EXPOCODE 317W20130803) and R/V Point Sur (EXPOCODE 32P020130821) in the U.S. West Coast California Current System during the 2013 West Coast Ocean Acidification Cruise (WCOA2013) from 2013-08-03 to 2013-08-29 (NCEI Accession 0132082)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 13, 2025 | Last Modified: 2022-05-25T00:00:00.000+00:00
This dataset consists of measurements of dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, temperature, salinity, dissolved oxygen, nutrients and ammonium collected from the third dedicated West Coast Ocean Acidification cruises (EXPOCODEs: 317W20130803 and 32P020130821, Cruise IDs: WCOA2013), which took place aboard NOAA Ship Fairweather from 2013-08-03 to 2013-08-10, and aboard the R/V Point Sur from 2013-08-21 to 2013-08-29. Seventy-six stations were occupied from northern Washington to California along ten transect lines. At all stations, CTD casts were conducted, and discrete water samples were collected in Niskin bottles. The cruise was designed to obtain a synoptic snapshot of key carbon, physical, and biogeochemical parameters as they relate to ocean acidification (OA) in the coastal realm. During the cruise, some of the same transect lines were occupied as during the 2007, 2011, and 2012 West Coast Carbon cruises, as well as many CalCOFI stations. This effort was conducted in support of the coastal monitoring and research objectives of the NOAA Ocean Acidification Program (OAP). Leg 1 was surveyed on board NOAA Ship Fairweather from August 3 to 10, 2013. The original cruise names for Leg 1 are: WCOA-13, CC1-13-FA. Leg 2 was surveyed on board R/V Point Sur from August 21 to 29, 2013. The original cruise names for Leg 2 are: WCOA-13, CC2-13-PS. The instruments used to collect these data include Alkalinity titrator, CTD, Coulometer for DIC measurement, Niskin bottles and spectrophotometer.

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0132082 AMMONIUM (NH4) CHLOROPHYLL A DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN HYDROSTATIC PRESSURE NITRATE NITRITE pH phosphate SALINITY silicate total alkalinity WATER TEMPERATURE spectrophotometer chemical discrete sample profile NOAA Ship Fairweather POINT SUR NOAA Northwest Fisheries Science Center NOAA Pacific Marine Environmental Laboratory Oregon State University, College of Earth, Ocean, and Atmospheric Sciences University of South Florida St. Petersburg NOAA Pacific Marine Environmental Laboratory NODC Ocean Acidification Scientific Data Stewardship (OADS) US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) North Pacific Ocean West Coast - US/Canada oceanography DOC/NOAA/NMFS/NWFSC > Northwest Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce OR-STATE/CEOAS > College of Earth, Ocean, and Atmospheric Sciences, Oregon State University WCOA2013, CC1-13-FA, CC1-13-FA 317W20130803 32P020130821 Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project Coastal EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Profile AMMONIUM_UMOL_KG CHL_A _UG_L CTDOXYGEN_UMOL_KG CTDPRESSURE_DBAR CTDSAL_PSS78 CTDTEMP_ITS90_DEG_C DIC_UMOL_KG NITRATE_UMOL_KG NITRITE_UMOL_KG OXYGEN_UMOL_KG PHOSPHATE_UMOL_KG PH_TOT_MEA SALINITY_PSS78 SILICATE_UMOL_KG TA_UMOL_KG OPTSPEC > Optical Spectrometer Ships FAIRWEATHER (call sign: WTEB, ICES code: 317W) POINT SUR (call sign: WSC2276, ICES code: 32P0, 1980-) OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN California Current System North Pacific Ocean U.S. West Coast

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