North Atlantic average sea-surface temperature in a CMIP6 multi-model ensemble of historical and ssp585/ssp245 simulations

This dataset contains North Atlantic average sea-surface temperatures and derived indices calculated for a multi-model ensemble of historical and future scenario (ssp585, ssp245) simulations contributing to the Coupled Model Intercomparison Project phase 6. A detailed description of the dataset is provided by Zanchettin, D., and Rubino, A., Accelerated North Atlantic surface warming reshapes the Atlantic Multidecadal Variability, Communications Earth & Environment, 2024, doi:10.1038/s43247-024-01804-x.

The data are provided as netcdf files.

The name of each file is structured as {model}_r{realization}_historical_{scenario}.nc where {model} is the model name, {realization} is a number corresponding to the historical realization, and {scenario} is either of the two scenarios considered (ssp585 and ssp245).

Each file contains data for the following one dimensional variables:

• year: the sequence of years for which the data are provided
• NASST: annual-average spatially averaged North Atlantic sea-surface temperature
• state: slowly variable component of NASST obtained from a dlm decomposition of NASST
• strend: stochastic trend of NASST obtained from a dlm decomposition of NASST
• AMV: Atlantic Multidecadal Varibility index obtained as difference between NASST and state