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Dissolved inorganic carbon, total alkalinity, pH, dissolved oxygen concentration, water temperature, salinity and dissolved oxygen concentration collected from profile, discrete sampling, and time series observations during the R/V Gulf Challenger cruises near the Mooring buoy NH_70W_43N off the coast of New Hampshire, U.S. in the Gulf of Maine from 2024-02-12 to 2024-12-14 (NCEI Accession 0307815)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2025-09-10T00:00:00.000+00:00
This dataset contains the discrete (Niskin bottle and CTD profile) data collected near the UNH/PMEL CO2 Buoy, located off the coast of New Hampshire in 2024. All data were collected aboard the UNH R/V Gulf Challenger. Additionally, an underway pCO2 measurement system was operated on some of these cruises, and surface underway pCO2 data are included in this archival package.

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0307815 DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN partial pressure of carbon dioxide - water pH SALINITY total alkalinity WATER TEMPERATURE carbon dioxide (CO2) gas analyzer CTD Niskin bottle oxygen sensor pH sensor salinometer temperature sensor titrator chemical discrete sample physical profile surface underway GULF CHALLENGER University of New Hampshire University of New Hampshire Ocean Carbon and Acidification Data System (OCADS) US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) East Coast - US/Canada North Atlantic Ocean oceanography Time Series Cruises 33GC20240212 33GC20240314 33GC20240419 33GC20240524 33GC20240531 33GC20240718 33GC20240814 33GC20240820 33GC20240930 33GC20241104 Ocean Carbon and Acidification Data System (OCADS) Project Coastal EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Profile CTDOXY CTDSAL CTDTMP DIC Oxygen Discrete Talk pCO2a pH CO2 ANALYZERS > CO2 ANALYZERS CTD > Conductivity, Temperature, Depth NISKIN BOTTLES OXYGEN METERS > OXYGEN METERS PH METERS > PH METERS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS GULF CHALLENGER (ICES code: 33GC) OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN East Coast - US/Canada North Atlantic Ocean

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