I-129 data from Fram Strait 2025

I-129 data (23 depth profiles) collected across Fram Strait during the Norwegian Polar Institute’s Fram Strait cruise from 27 July to 14 August 2025 (FS2025) on board R/V Kronprins Haakon. Find the cruise report here: Fram Strait Cruise Report, FS2025 (Cruise ID 2025007009), 27 July - 14 August 2025 - 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 the sources linked below. Note that the associated DOIs are not yet active, but will be accessible by end of 2026.