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Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from surface discrete observations using spectrophotometer and other instruments from NOAA Ship Henry B. Bigelow off the Northeastern coast of the United States from 2014-09-08 to 2014-11-05 (NCEI Accession 0138983)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2022-06-04T00:00:00.000+00:00
This dataset contains surface measurements of dissolved inorganic, total alkalinity, pH measurements off the Northeastern coast of the United States. 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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0138983 DISSOLVED INORGANIC CARBON (DIC) HYDROSTATIC PRESSURE pH SALINITY total alkalinity WATER TEMPERATURE spectrophotometer discrete sample surface measurements NOAA Ship Henry B. Bigelow NOAA Atlantic Oceanographic and Meteorological Laboratory NOAA Northeast Fisheries Science Center, Narragansett Laboratory 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/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 HB1405 33HH20140908 33HH20140923 33HH20141028 Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Surface measurement DIC Depth_sampling Depth_station Pressure Salinity TAlk Temperature pH OPTSPEC > Optical Spectrometer Ships HENRY B. BIGELOW (call sign: WTDF, ICES code: 33HH, 2005-) 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 Northeastern coast of the United States

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