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Dissolved inorganic carbon, total alkalinity, pH on total scale, water temperature, salinity, dissolved oxygen and nutrients collected from profile discrete observations using flow through pump, CTD, Niskin Bottles and other instruments during the F.G. Walton Smith cruise WS18008 (EXPOCODE 33WA20180108), in the Gulf of Mexico from 2018-01-08 to 2018-01-12 (NCEI Accession 0240206)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 04, 2025 | Last Modified: 2021-08-21T00:00:00.000+00:00
This dataset contains profile discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale, water temperature, salinity, dissolved oxygen and nutrients collected from profile discrete observations using flow through pump, CTD, Niskin Bottles and other instruments during the F.G. Walton Smith cruise WS18008 (EXPOCODE 33WA20180108), in the Gulf of Mexico from 2018-01-08 to 2018-01-12. 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. In support of the coastal monitoring and research objectives of the NOAA Ocean Acidification Program (OAP), the South Florida Project Cruises (SFP) are utilized to collect water samples to measure surface water inorganic carbon and hydrographic parameters including nutrients. Samples are collected from seven stations on a bi-monthly basis to monitor the outflow of the Shark River Slough (SRS) into the southwestern Gulf of Mexico. Water samples are sent to and analyzed by scientists at the Atlantic Oceanographic and Meteorological Laboratory (AOML) for dissolved inorganic carbon, pH, total alkalinity and nutrient concentrations. These data are used to observe the effects of the SRS on acidification in the coastal ocean.

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0240206 AMMONIUM (NH4) DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN NITRITE pH phosphate SALINITY silicate total alkalinity WATER TEMPERATURE carbon dioxide (CO2) gas analyzer CTD Flow-through pump Niskin bottle nutrient autoanalyzer pH sensor titrator chemical discrete sample physical profile R/V F.G. Walton Smith NOAA Atlantic Oceanographic and Meteorological Laboratory NOAA Atlantic Oceanographic and Meteorological Laboratory US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) Gulf of Mexico oceanography DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce WS18008 33WA20180108 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 > INORGANIC CARBON 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 TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Surface measurement AMMONIA CTDOXY CTDOXYmg CTDPRS CTDSAL CTDTMP DIC Depth_sampling Depth_station NITRIT+NITRAT PHSPHT SILCAT Sigma-Theta TAlk pH AUTOANALYZER > AUTOANALYZER CO2 ANALYZERS > CO2 ANALYZERS CTD > Conductivity, Temperature, Depth NISKIN BOTTLES PH METERS > PH METERS F. G. Walton Smith (call sign: WCZ6292, ICES code: 33WA, 1999-) OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO Gulf of Mexico

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