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Marine carbonate system discrete profile data from the Gulf of Alaska (GAK) Seward Line cruises between 2008 and 2017 (NCEI Accession 0277034)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 04, 2025 | Last Modified: 2023-11-17T00:00:00.000+00:00
This dataset includes chemical data from discrete samples and accompanying physical data from a profiling CTD collected along the GAK Seward Line cruises in the Gulf of Alaska from 2008 to 2017. These data include water temperature, salinity, dissolved oxygen, dissolved inorganic carbon (DIC), total alkalinity (TA), and nutrients (nitrate, nitrite, phosphate, and silicate). The cruise was funded by the North Pacific Research Board (NPRB), the National Oceanic and Atmospheric Administration (NOAA), the Alaska Ocean Observing System (AOOS), and the Exxon Valdez Oil Spill Trustee Council (EVOSTC). The carbon data were collected and analyzed by personnel at the Ocean Acidification Research Center (OARC) at the University of Alaska Fairbanks (UAF). The CTD operations on the cruise were managed by personnel from the College of Fisheries and Ocean Sciences (CFOS) at UAF. The nutrient data were analyzed by personnel from the CFOS at UAF or the Pacific Marine Environmental Laboratory (PMEL). Cruises were biannual and titled with the ship code (i.e., TX), the season (S = Spring and F = Fall), and the year (i.e., 08-17).

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0277034 Delta Oxygen-18 DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN NITRATE NITRITE phosphate SALINITY silicate total alkalinity WATER TEMPERATURE carbon dioxide (CO2) gas analyzer CTD Niskin bottle nutrient autoanalyzer oxygen sensor temperature sensor thermosalinograph titrator chemical discrete sample physical profile Norseman II RV Tiglax Hakai Institute NOAA Pacific Marine Environmental Laboratory The University of Rhode Island University of Alaska Fairbanks University of Alaska Fairbanks Ocean Carbon and Acidification Data System (OCADS) US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) Gulf of Alaska North Pacific Ocean oceanography DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce N2S10 TXF08 TXF09 TXF10 TXF11 TXF12 TXF13 TXF14 TXF15 TXF16 TXF17 TXS08 TXS09 TXS11 TXS12 TXS13 TXS14 TXS15 TXS16 TXS17 32QO20100503 33A020080502 33A020080913 33A020090503 33A020090914 33A020100914 33A020110506 33A020110915 33A020120503 33A020120913 33A020130427 33A020130914 33A020140503 33A020140913 33A020150505 33A020150914 33A020160430 33A020160915 33A020170501 33A020170916 Ocean Carbon and Acidification Data System (OCADS) Project Seward Line GAK section line data on Seward Line Cruises from 2008 to 2017 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY 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 > PHOSPHATE EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Discrete measurement Profile Seward Line CTDOXY CTDSAL_PSS78 CTDTMP_ITS90 DELO18 DIC NITRATE NITRITE OXYGEN PHOSPHATE SILICATE TA AUTOANALYZER > AUTOANALYZER CO2 ANALYZERS > CO2 ANALYZERS CTD > Conductivity, Temperature, Depth NISKIN BOTTLES OXYGEN METERS > OXYGEN METERS TEMPERATURE SENSORS > TEMPERATURE SENSORS THERMOSALINOGRAPHS Ships NORSEMAN II (call sign: WDD6688, ICES code: 32QO, 2007-) TIGLAX (ICES code: 33A0, 1987-) OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > GULF OF ALASKA Gulf of Alaska North Pacific Ocean

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