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Dissolved inorganic carbon, total alkalinity, pH, temperature, salinity and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from R/V Wecoma in the U.S. West Coast California Current System during the 2011 West Coast Ocean Acidification Cruise (WCOA2011) from 2011-08-12 to 2011-08-30 (NCEI Accession 0123467)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 13, 2025 | Last Modified: 2020-08-28T00:00:00.000+00:00
This dataset contains the discrete bottle (CTD profile) data of the first dedicated West Coast Ocean Acidification cruise (WCOA2011). The cruise took place August 12-30, 2011 aboard the R/V Wecoma. Ninety-five stations were occupied from northern Washington to southern California along thirteen 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 West Coast Carbon cruise, 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).

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0123467 AMMONIA (NH3) CHLOROPHYLL A DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN HYDROSTATIC PRESSURE NITRATE NITRITE NITROGEN - PARTICULATE PARTICULATE ORGANIC CARBON pH phosphate SALINITY silicate total alkalinity WATER TEMPERATURE spectrophotometer chemical discrete sample profile R/V WECOMA NOAA Northwest Fisheries Science Center NOAA Pacific Marine Environmental Laboratory Oregon State University University of South Florida 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/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce 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 WCOA2011 32WC20110812 Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project West Coast Ocean Acidification Cruise (WCOA) 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 > NITROGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON 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_TS POC µmol/L POC_PON_RATIO_MOL_MOL POC_UMOL_KG PON_UMOL_KG PON_UMOL_L SALINITY_PSS78 SILICATE_UMOL_KG TA_UMOL_KG OPTSPEC > Optical Spectrometer WECOMA (call sign: WSD7079, ICES code: 32WC, 1976-) OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN North Pacific Ocean U.S. West Coast California Current System

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