The data set consists of NorESM BGC parameter estimation experiments with real observations. All data are 30-member model simulations utilizing the medium-resolution Norwegian Earth System Model version 1 (NorESM1-ME) and spans globally. Here, data from all experiments is provided except the two, which can be found at the following link. NorESM_DP: DOI https://doi.org/10.22033/ESGF/CMIP6.10843. REANA_IAV_GP2: DOI https://doi.org/10.11582/2024.00001.