Data from R/V Kronprins Haakon are available from the Norwegian Polar Data Centre.
Data from the Barents Sea and Nansen Basin:
Fransson, A., Ericson, Y., Chierici, M., & Ogundare, M. (2020). Surface water underway pCO2 autumn data in the Eastern Weddell Gyre, coast of Dronning Maud Land, Kong Håkon VII Hav, Antarctica, and the Southern Ocean Atlantic sector, to Cape Town, in Feb-April 2019 [Data set]. Norwegian Polar Institute. https://doi.org/10.21334/npolar.2020.cc4bfb5f
Publication used the data:
Ogundare M., A. Fransson, M. Chierici, Warren R. Joubert and A. N. Roychoudhury (2021) Variability of Sea-Air Carbon Dioxide Flux in Autumn Across the Weddell Gyre and Offshore Dronning Maud Land in the Southern Ocean. Front. Mar. Sci., 15 January 2021 | https://doi.org/10.3389/fmars.2020.614263.
Data from the Dronning Maud Land, Southern Ocean Atlantic sector:
Fransson, A., Ericson, Y., Chierici, M., 2023. Surface water fCO2 in the Barents Sea and Nansen Basin. https://doi.org/10.21334/npolar.2023.8e0afb8b.
Publication used the data:
Ericson Y., A. Fransson, M. Chierici, E. M. Jones, I. Skjelvan, A. Omar, A. Olsen, M. Becker (2023) Rapid fCO2 rise in the northern Barents Sea and Nansen Basin. Progress in Oceanography, vol 2017, 103079, https://doi.org/10.1016/j.pocean.2023.103079.
Data from R/V Kronprins Haakon is also available from SOCAT.