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Dissolved inorganic carbon, alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Delaware II off the Northeast coast of the United States from 2012-02-02 to 2012-02-19 (NCEI Accession 0131423)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 13, 2025 | Last Modified: 2022-06-08T00:00:00.000+00:00
This dataset contains carbon and nutrient related data that were collected from CTD profile measurements in the Northeast coast of the United States (EXPOCODE: 316G20120202, CRUISE ID: DE1202). Increasing amounts of atmospheric carbon dioxide from human industrial activities are causing changes in global ocean carbon chemistry resulting in a reduction in pH, a process termed ocean acidification. Studies have demonstrated adverse effects on calcifying organisms, particularly some invertebrates, corals, sea urchins, pteropods, and coccolithophores. This effort is in support of the coastal monitoring and research objectives of the NOAA Ocean Acidification Program (OAP).

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0131423 AMMONIA (NH3) DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN HYDROSTATIC PRESSURE nitrate + nitrite content (concentration) pH phosphate SALINITY SIGMA-THETA silicate total alkalinity WATER TEMPERATURE spectrophotometer chemical discrete sample profile NOAA Ship Delaware II NOAA Atlantic Oceanographic and Meteorological Laboratory NOAA Northeast Fisheries Science Center University of Maine NOAA Atlantic Oceanographic and Meteorological Laboratory NODC Ocean Acidification Scientific Data Stewardship (OADS) US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) East Coast - US/Canada Georges Bank Gulf of Maine Mid-Atlantic Bight North Atlantic Ocean oceanography DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce DOC/NOAA/NMFS/NEFSC > Northeast Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce UMAINE > University of Maine DE1202 316G20120202 Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA 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 > DENSITY EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Profile Monitoring of Water Column DIC, TAlk, and pH on the Northeast U.S. Shelf and the Development of Ocean Acidification Indicators to Inform Marine Resource Management AMMONIA CTDOXY CTDOXYmg CTDPRS CTDSAL CTDTMP DIC Depth_sampling Depth_station NITRIT+NITRAT PHSPHT SILCAT Sigma-Theta TAlk pH OPTSPEC > Optical Spectrometer Ships DELAWARE II (ICES code: 316G) OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GEORGES BANK OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MAINE Georges Bank Gulf of Maine Mid-Atlantic Bight North Atlantic Ocean Northeast coast of the United States

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