A comprehensive global oceanic dataset of discrete measurements of helium isotope and tritium during the hydrographic cruises on various ships from 1952-10-21 to 2016-01-22 (NCEI Accession 0176626)

This NCEI accession consists of global oceanic database of tritium and helium isotope measurements made by numerous researchers and laboratories over a period exceeding 60 years: from 1952-10-21 to 2016-01-22 in the Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern Ocean, Arctic Ocean, Mediterranean Sea, Baltic Sea, Black Sea. Tritium and helium isotope data provide key information on ocean circulation, ventilation, and mixing, as well as the rates of biogeochemical processes, and deep-ocean hydrothermal processes. The dataset includes approximately 60,000 valid tritium measurements, 63,000 valid helium isotope determinations, 57,000 dissolved helium concentrations, and 34,000 dissolved neon concentrations. Some quality control has been applied in that questionable data have been flagged and clearly compromised data excluded entirely. Appropriate metadata has been included: geographic location, date, and sample depth. When available, water temperature, salinity, and dissolved oxygen were included. Data quality flags and data originator information (including methodology) are also included.

Data and Resources

Additional Info

Field Value
Last Updated October 11, 2019, 01:40
Created October 23, 2018, 20:37
access_constraints ["Cite as: Jenkins, William J.; Doney, Scott C.; Fendrock, Michaela A.; Fine, Rana A.; Gamo, Toshitaka; Jean-Baptiste, Philippe; Key, Robert M.; Klein, Birgit; Lupton, John E.; Rhein, Monika; Roether, Wolfgang; Sano, Yuji; Schlitzer, Reiner; Schlosser, Peter; Swift, James H. (2018). A comprehensive global oceanic dataset of discrete measurements of helium isotope and tritium during the hydrographic cruises on various ships from 1952-10-21 to 2016-01-22 (NCEI Accession 0176626). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/c1sn-9631. Accessed [date].", "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."]
bbox-east-long 180
bbox-north-lat 90
bbox-south-lat -82.38
bbox-west-long -179.98
contact-email NCEI.Info@noaa.gov
coupled-resource []
dataset-reference-date [{"type": "publication", "value": "2018-10-10"}, {"type": "revision", "value": "2019-03-14"}]
frequency-of-update asNeeded
graphic-preview-description Preview graphic
graphic-preview-file https://data.nodc.noaa.gov/cgi-bin/gfx?id=gov.noaa.nodc:0176626
graphic-preview-type PNG
guid gov.noaa.nodc:0176626
licence ["accessLevel: Public"]
metadata-date 2019-08-23T13:09:33Z
metadata-language eng
progress completed
resource-type dataset
responsible-party [{"name": "", "roles": ["pointOfContact"]}]
spatial {"type": "Polygon", "coordinates": [[[-179.98, -82.38], [180.0, -82.38], [180.0, 90.0], [-179.98, 90.0], [-179.98, -82.38]]]}
spatial-data-service-type
spatial-reference-system
spatial_harvester true
temporal-extent-begin 1952-10-21
temporal-extent-end 2016-01-22