GRACE/GRACE-FO Level-3 product based on COST-G RL02 Level-2B products (Dahle & Murböck, 2025) representing Terrestrial Water Storage (TWS) anomalies provided at 1° latitude-longitude grids as defined over all continental regions except Greenland and Antarctica. The TWS anomaly grids are provided in NetCDF format containing four different variables:

1) 'tws': gravity-based TWS
2) 'std_tws': gravity-based TWS standard deviations
3) 'leakage': spatial leakage contained in 'tws'
4) 'model_atmosphere': background model atmospheric mass

These Level-3 products are visualized at GFZ's web portal GravIS (https://gravis.gfz.de). Link to data products: https://isdc-data.gfz.de/grace/GravIS/COST-G/Level-3/TWS/

Version History:
14 August 2025:
Initial release of the data (Version 0001).