gov.noaa.nodc:0163183 eng utf8 dataset NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NOAA Contact Information Information for contacts at NCEI. information custodian 2025-11-29T06:40:42Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from MELVILLE in the Arabian Sea, Bay of Bengal and others from 1977-12-04 to 1978-04-28 (NCEI Accession 0163183) 2017-06-05 publication 2017-06-05 creation International DOI Foundation (IDF) 10.3334/cdiac/otg.glodapv2_geosecs_ind NOAA National Centers for Environmental Information gov.noaa.nodc:0163183 NCEI Archive Management System 0163183 NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information publisher Alex Kozyr NOAA National Centers for Environmental Information (NCEI) Alex.Kozyr@noaa.gov resourceProvider Carbon Dioxide Information Analysis Center (CDIAC) resourceProvider Taro Takahashi Lamont-Doherty Earth Observatory (LDEO) taka@ldeo.columbia.edu http://www.ldeo.columbia.edu/ HTTP Lamont-Doherty Earth Observatory (LDEO) website Institution web page information principalInvestigator Robert M. Key Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences (AOS) key@princeton.edu http://www.princeton.edu/aos/about_us/ HTTP Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences (AOS) website Institution web page information principalInvestigator Wallace S. Broecker Lamont-Doherty Earth Observatory (LDEO) http://www.ldeo.columbia.edu/ HTTP Lamont-Doherty Earth Observatory (LDEO) website Institution web page information collaborator Ray F. Weiss Scripps Institution of Oceanography (SIO) scrippsnews@ucsd.edu https://scripps.ucsd.edu/ HTTPS Scripps Institution of Oceanography (SIO) website Institution web page information collaborator Harmon Craig collaborator Derek W. Spencer collaborator Charles D. Keeling Scripps Institution of Oceanography (SIO) scrippsnews@ucsd.edu https://scripps.ucsd.edu/ HTTPS Scripps Institution of Oceanography (SIO) website Institution web page information collaborator Takahashi, Taro Lamont-Doherty Earth Observatory (LDEO) http://www.ldeo.columbia.edu/ HTTP Lamont-Doherty Earth Observatory (LDEO) website Institution web page information author Key, Robert M. Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences (AOS) key@princeton.edu http://www.princeton.edu/aos/about_us/ HTTP Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences (AOS) website Institution web page information author Keeling, Charles D. Scripps Institution of Oceanography (SIO) https://scripps.ucsd.edu/ HTTPS Scripps Institution of Oceanography (SIO) website Institution web page information author Craig, Harmon author Weiss, Ray F. Scripps Institution of Oceanography (SIO) https://scripps.ucsd.edu/ HTTPS Scripps Institution of Oceanography (SIO) website Institution web page information author Broecker, Wallace S. Lamont-Doherty Earth Observatory (LDEO) http://www.ldeo.columbia.edu/ HTTP Lamont-Doherty Earth Observatory (LDEO) website Institution web page information author Spencer, Derek W. author Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences (AOS) http://www.princeton.edu/aos/about_us/ HTTP Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences (AOS) website Institution web page information contributor Lamont-Doherty Earth Observatory (LDEO) http://www.ldeo.columbia.edu/ HTTP Lamont-Doherty Earth Observatory (LDEO) website Institution web page information contributor tableDigital This dataset includes chemical, discrete sample, physical and profile data collected from MELVILLE in the Arabian Sea, Bay of Bengal, Gulf of Aden, Indian Ocean, Mediterranean Sea, Mediterranean Sea - Eastern Basin, Mediterranean Sea - Western Basin, Red Sea and Southern Oceans (> 60 degrees South) from 1977-12-04 to 1978-04-28. These data include DELTA CARBON-14, DELTA HELIUM-3, DISSOLVED INORGANIC CARBON (DIC), DISSOLVED OXYGEN, HYDROSTATIC PRESSURE, NITRATE, NITRITE, Potential temperature (theta), RADIUM ISOTOPES, SALINITY, TOTAL ALKALINITY (TA), Tritium (Hydrogen isotope), WATER TEMPERATURE, phosphate and silicate. The instruments used to collect these data include CTD and bottle. These data were collected by Taro Takahashi of Lamont-Doherty Earth Observatory (LDEO) and Robert M. Key of Princeton University; Department of Geosciences; Program in Atmospheric and Ocean Sciences (AOS) as part of the GEOSECS_Indian dataset. CDIAC associated the following cruise ID(s) with this dataset: GEOSECS Indian This dataset is available to the public for a wide variety of uses including scientific research and analysis. completed historicalArchive NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information pointOfContact asNeeded https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0163183 Preview graphic PNG 0163183 NCEI ACCESSION NUMBER 2017-06-05 publication DELTA CARBON-14 DELTA HELIUM-3 DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN HYDROSTATIC PRESSURE NITRATE NITRITE phosphate Potential temperature (theta) RADIUM ISOTOPES SALINITY silicate total alkalinity Tritium (Hydrogen isotope) WATER TEMPERATURE theme NODC DATA TYPES THESAURUS bottle CTD instrument NODC INSTRUMENT TYPES THESAURUS chemical discrete sample physical profile theme NODC OBSERVATION TYPES THESAURUS R/V Melville platform NODC PLATFORM NAMES THESAURUS Lamont-Doherty Earth Observatory Princeton University, Department of Geosciences, Program in Atmospheric and Ocean Sciences dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS Carbon Dioxide Information Analysis Center dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS INTERNATIONAL DECADE OF OCEAN EXPLORATION / Geochemical Ocean Section Study (IDOE/GEOSECS) project NODC PROJECT NAMES THESAURUS Arabian Sea Bay of Bengal Gulf of Aden Indian Ocean Mediterranean Sea Mediterranean Sea - Eastern Basin Mediterranean Sea - Western Basin Red Sea Southern Ocean place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication COLUMBIA/LDEO > Lamont-Doherty Earth Observatory, Columbia University DOE/ORNL/ESD/CDIAC > Carbon Dioxide Information Analysis Center, Environmental Sciences Division, Oak Ridge National Laboratory, U. S. Department of Energy PRINCETON/AOS > Atmospheric and Oceanic Sciences, Princeton University dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian GEOSECS Indian project Cruise ID 318M19771204 318M19771216 318M19780128 318M19780307 318M19780404 project EXPOCODE IDOE > International Decade of Ocean Exploration project Global Change Master Directory (GCMD) Project Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Ocean Carbon and Acidification Data System (OCADS) Project project Ocean Acidification Search Keywords EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY 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 PRESSURE > WATER PRESSURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > POTENTIAL TEMPERATURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY theme Global Change Master Directory (GCMD) Science Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Discrete measurement Profile theme OCADS Study Type ALKALI C14ERR CTDTMP DELC14 DELHE3 DELHER NITRAT NITRIT OXYGEN PHSPHT RA-226 RA-226E RA-228 RA-228E SALNTY SILCAT TCARBN THETA TRITER TRITUM theme Provider Variable Abbreviations CTD > Conductivity, Temperature, Depth instrument Global Change Master Directory (GCMD) Instrument Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian MELVILLE (call sign: WECB, ICES code: 318M, 1969-) platform ICES/SeaDataNet Ship Codes OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > MEDITERRANEAN SEA OCEAN > INDIAN OCEAN OCEAN > INDIAN OCEAN > ARABIAN SEA OCEAN > INDIAN OCEAN > BAY OF BENGAL OCEAN > INDIAN OCEAN > RED SEA OCEAN > SOUTHERN OCEAN place Global Change Master Directory (GCMD) Location Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Indian Ocean place Provider Geographic Names accessLevel: Public otherRestrictions Cite as: Takahashi, Taro; Key, Robert M.; Keeling, Charles D.; Craig, Harmon; Weiss, Ray F.; Broecker, Wallace S.; Spencer, Derek W. (2017). Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from MELVILLE in the Arabian Sea, Bay of Bengal and others from 1977-12-04 to 1978-04-28 (NCEI Accession 0163183). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.3334/cdiac/otg.glodapv2_geosecs_ind. Accessed [date]. Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives. otherRestrictions Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose. Takahashi, T. , R. M. Key, C. Keeling, H. Craig, R. Weiss, W. Broecker, and D. Spencer (2015). Carbon Dioxide, Hydrographic and Chemical data from GEOSECS Indian Cruises (December 4, 1977 - April 24, 1978). Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee, GEOSECS_Indian. 2015 publication GEOSECS_Indian Takahashi, T. , R. M. Key, C. Keeling, H. Craig, R. Weiss, W. Broecker, and D. Spencer author Carbon Dioxide Information Analysis Center (CDIAC) publisher Ocean CO2 [retrieved from http://cdiac.ornl.gov/ftp/oceans/GLODAPv2/GEOSECS_Indian] crossReference Östlund, H.G., H. Craig, W. S. Broecker and D. Spencer. 1987. GEOSECS Atlantic, Pacific, and Indian Ocean Expeditions. Vol. 7: Shorebased Data and Graphics IDOE/NSF, 200pp. https://hdl.handle.net/10013/epic.43023. 1987 publication https://hdl.handle.net/10013/epic.43023 HTTPS https://hdl.handle.net/10013/epic.43023 related publication or dataset information crossReference project Stuiver, M., & Östlund, H. G. (1983). GEOSECS Indian Ocean and Mediterranean Radiocarbon. Radiocarbon, 25(1), 1–29. https://doi.org/10.1017/s0033822200005270 1983 publication International DOI Foundation (IDF) https://doi.org/10.1017/s0033822200005270 https://doi.org/10.1017/s0033822200005270 HTTPS https://doi.org/10.1017/s0033822200005270 related journal article information Stuiver, Minze author Östlund, H G author Cambridge University Press (CUP) publisher documentDigital Radiocarbon 25(1) ISSN 0033-8222, ISSN 1945-5755, pp. 1-29 crossReference project Bainbridge, Arnold E.; Takahashi, Taro (2022). Dissolved inorganic carbon (DIC), total alkalinity (TALK), water temperature, salinity, nutrients and other measurements collected from discrete samples and profile observations during the R/V Melville GEOSECS_LEG3 cruise (EXPOCODE 318M19771204) in the Mediterranean Sea from 1977-12-04 to 1977-12-09 (NCEI Accession 0250907). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/4wfp-mm25. 2022-04-01 publication International DOI Foundation (IDF) https://doi.org/10.25921/4wfp-mm25 NOAA National Centers for Environmental Information gov.noaa.nodc:0250907 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0250907.html HTTPS https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0250907.html Related data information Bainbridge, Arnold E. Scripps Institution of Oceanography (SIO) https://scripps.ucsd.edu/ HTTPS Scripps Institution of Oceanography (SIO) website Institution web page information author Takahashi, Taro Lamont-Doherty Earth Observatory (LDEO) http://www.ldeo.columbia.edu/ HTTP Lamont-Doherty Earth Observatory (LDEO) website Institution web page information author NOAA National Centers for Environmental Information (NCEI) publisher tableDigital crossReference project NOAA National Centers for Environmental Information (2022). Ocean Carbon and Acidification Data System (OCADS). NOAA National Centers for Environmental Information. https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system 2022-04 publication https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system HTTPS https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system OCADS website information NOAA National Centers for Environmental Information author NOAA National Centers for Environmental Information (NCEI) publisher documentDigital [accessed 2024-02-08] crossReference program eng; USA utf8 environment oceans 8.092 109.97 -64.188 37.692 1977-12-04 1978-04-28 These data were acquired by NCEI from the Carbon Dioxide Information Analysis Center (CDIAC) in accordance with an archival submission agreement between CDIAC and NCEI. NOAA National Centers for Environmental Information +1-301-713-3277 ncei.info@noaa.gov pointOfContact In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media. Contact NCEI for other distribution options and instructions. CSV 1.436 https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0163183.html HTTPS Web browser Project Metadata Navigate directly to the URL for a descriptive web page with download links. information https://doi.org/10.3334/cdiac/otg.glodapv2_geosecs_ind HTTPS Web browser NCEI Dataset Landing Page Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/oas/163183 HTTPS Web browser Descriptive Information Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/download/163183 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0108/0163183/ FTP Any FTP client FTP These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). download dataset NCEI Accession 0163183 v1.1 was published. 2017-06-05T17:38:23Z NCEI Accession 0163183 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0163183/1.1 HTTPS NCEI Accession 0163183 v1.1 published 2017-06-05T17:38:23Z download dataset Parameter or Variable: CTDTMP; Abbreviation: CTDTMP; Unit: DEG_C; Controlled vocabulary name: WATER TEMPERATURE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: SALNTY; Abbreviation: SALNTY; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: OXYGEN; Abbreviation: OXYGEN; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED OXYGEN; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: SILCAT; Abbreviation: SILCAT; Unit: UMOL/KG; Controlled vocabulary name: silicate; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: NITRAT; Abbreviation: NITRAT; Unit: UMOL/KG; Controlled vocabulary name: NITRATE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: NITRIT; Abbreviation: NITRIT; Unit: UMOL/KG; Controlled vocabulary name: NITRITE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: PHSPHT; Abbreviation: PHSPHT; Unit: UMOL/KG; Controlled vocabulary name: phosphate; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: TCARBN; Abbreviation: TCARBN; Unit: UMOL/KG; Controlled vocabulary name: DISSOLVED INORGANIC CARBON (DIC); In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: ALKALI; Abbreviation: ALKALI; Unit: UMOL/KG; Controlled vocabulary name: total alkalinity; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: TRITUM; Abbreviation: TRITUM; Unit: TU; Controlled vocabulary name: Tritium (Hydrogen isotope); In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: TRITER; Abbreviation: TRITER; Unit: TU; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: DELHE3; Abbreviation: DELHE3; Unit: PERCNT; Controlled vocabulary name: DELTA HELIUM-3; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: DELHER; Abbreviation: DELHER; Unit: PERCNT; Controlled vocabulary name: DELTA HELIUM-3; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: DELC14; Abbreviation: DELC14; Unit: /MILLE; Controlled vocabulary name: DELTA CARBON-14; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: C14ERR; Abbreviation: C14ERR; Unit: /MILLE; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: RA-226; Abbreviation: RA-226; Unit: DPM/100KG; Controlled vocabulary name: RADIUM ISOTOPES; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: RA-226E; Abbreviation: RA-226E; Unit: DPM/100KG; Controlled vocabulary name: RADIUM ISOTOPES; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: RA-228; Abbreviation: RA-228; Unit: DPM/100KG; Controlled vocabulary name: RADIUM ISOTOPES; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: RA-228E; Abbreviation: RA-228E; Unit: DPM/100KG; Controlled vocabulary name: RADIUM ISOTOPES; In-situ / Manipulation / Response variable: in-situ observation Parameter or Variable: THETA; Abbreviation: THETA; Unit: DEG_C; Controlled vocabulary name: Potential temperature (theta); In-situ / Manipulation / Response variable: in-situ observation asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian bottle bottle any type of water bottle sampling device Generic name for water collection device; usually used to determine temperature, salinity and provide water aliquots for measurement of a wide range of parameters; often referred to by a specific type of water sampling bottle, such as a Nansen or Niskin bottle. CTD CTD Conductivity-Temperature-Depth probe R/V Melville Hull Classification: AGOR-14. It is a research vessel operated by Scripps Institution of Oceanography. Commissioned on 10 July 1968 and the current status is active. https://scripps.ucsd.edu/ships/melville