Forced ocean model experiments using NEMO to isolate contribution of momentum and buoyancy fluxes to AMOC variability from 1958-2023.

This dataset was produced to investigate Atlantic Meridional Overturning Circulation (AMOC) variability driven by either momentum or buoyancy flux forcings, and its sensitivity to model resolution. The dataset is the global ocean model output for the years 1958-2023. The experimental design was developed by Amber Walsh and colleagues at the National Oceanography Centre (NOC), in collaboration with researchers at the National Center for Atmospheric Research (NCAR). Monthly output is provided at 1 degree and 0.25 degree horizontal resolution for four experiments: (i) interannual momentum flux forcing, (ii) interannual buoyancy flux forcing, (iii) fully interannually forced control (IAF), and (iv) repeat-year forcing (RYF), which excludes forced interannual variability. A wide range of ocean state variables are available for each experiment. All model runs were conducted with the NEMO ocean model using a modified NOC Near Present Day configuration.