A comprehensive global oceanic dataset of helium isotope and tritium measurements [post]

William J. Jenkins, Scott C. Doney, Michaela Fendrock, Rana Fine, Toshitaka Gamo, Philippe Jean-Baptiste, Robert Key, Birgit Klein, John E. Lupton, Monika Rhein, Wolfgang Roether, Yuji Sano (+3 others)
2018 unpublished
<p><strong>Abstract.</strong> 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. We present here global oceanic datasets of tritium and helium isotope measurements made by numerous researchers and laboratories over a period exceeding 60 years. The dataset has a DOI:<a href="https://doi.org/10.25921/c1sn-9631"
more » ... t; target="_blank">10.25921/c1sn-9631</a> and is available at <a href="https://www.nodc.noaa.gov/ocads/data/0176626.xml" target="_blank">https://www.nodc.noaa.gov/ocads/data/0176626.xml</a>, and 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, including geographic location, date, and sample depth When available, we include water temperature, salinity, and dissolved oxygen. Data quality flags and data originator information (including methodology) are also included. This paper provides an introduction to the dataset along with some discussion of its broader qualities and graphics.</p>
doi:10.5194/essd-2018-136 fatcat:ps6sz7cypvh5hea3eu4pkrw3bu