I-129 data from Fram Strait 2023

I-129 data (19 depth profiles) collected across Fram Strait during the Norwegian Polar Institute’s Fram Strait cruise from 30 August to 13 September 2023 (FS2023) on board R/V Kronprins Haakon. Find the cruise report here: Fram Strait cruise report, FS2023 (cruise ID 2023007015): 30 August - 13 September 2023 - Norwegian Research Information Repository This dataset includes metadata (Cruise, Station, Latitude in degrees North, Longitude in degrees East, Date, Niskin Bottle number, Pressure in decibars), hydrographic data (Temperature and Practical Salinity from the CTD sensors), and I-129 concentrations given in atoms per liter with 1-sigma uncertainties. Metadata and hydrographic data are taken from Dodd et al. (2026). Seawater chemistry and tracers from the Fram Strait Arctic Outflow Observatory collected in September 2023 [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.DA242CDC