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Dissolved inorganic carbon (DIC), total alkalinity, pH on sea water scale and other hydrographic and chemical variables collected from discrete samples and profile observations during NOAA Ship Ronald H. Brown cruise along the Global Ocean Ship-Based Hydrographic Investigation Program (GO-SHIP) Section I07N (EXPOCODE 33RO20180423) in the Indian Ocean on from 2018-04-23 to 2018-06-06 (NCEI Accession 0189249)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 13, 2025 | Last Modified: 2021-03-18T00:00:00.000+00:00
This dataset includes discrete profile measurements of Dissolved inorganic carbon (DIC), total alkalinity, pH on sea water scale, dissolved organic carbon (DOC), chlorofluorocarbons (CFC-11, CFC-12), temperature, salinity, oxygen, nutrients, and other variables measured during NOAA Ship Ronald H. Brown cruise along the Global Ocean Ship-Based Hydrographic Investigation Program (GO-SHIP) Section I07N (EXPOCODE 33RO20180423) in the Indian Ocean on from 2018-04-23 to 2018-06-06. Hydrographic measurements were carried out along the I07N section in the western Indian Ocean in April-June 2018 under the auspices of GO-SHIP. The unique aspect of the 2018 I07N research cruise is that it was the first reoccupation of the I07N section since 1995. The section was not revisited for about 23 years because of the rise of piracy in the region.

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0189249 CARBON - CARBON 14 ASSIMILATION CHLOROFLUOROCARBON (CFC) DISSOLVED INORGANIC CARBON (DIC) NUTRIENTS OXYGEN pH SALINITY sulfur hexafluoride (SF6) total alkalinity WATER TEMPERATURE carbon dioxide (CO2) gas analyzer CTD Niskin bottle pH sensor salinometer titrator chemical discrete sample physical profile NOAA Ship Ronald H. Brown NOAA Atlantic Oceanographic and Meteorological Laboratory NOAA Pacific Marine Environmental Laboratory Princeton University The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP) Indian Ocean oceanography DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce I07N.2018 33RO20180423 Ocean Carbon and Acidification Data System (OCADS) Project GO-SHIP I07N The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP) EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > HALOCARBONS AND HALOGENS > CHLOROFLUOROCARBONS EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > DISSOLVED GASES EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > HYDROCARBONS EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NUTRIENTS 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 ALKALI CFCs/SF6 CTDOXY CTDSAL CTDTMP Dissolved Organic Carbon OXYGEN PH_SWS SALNTY SILCAT, NITRAT, NITRIT PHSPHT TCARBN CO2 ANALYZERS > CO2 ANALYZERS CTD > Conductivity, Temperature, Depth NISKIN BOTTLES PH METERS > PH METERS SALINOMETERS Ships Ronald H. Brown (call sign: WTEC, ICES code: 33RO, 1997-) OCEAN > INDIAN OCEAN Indian Ocean

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