A dataset of Terrestrial Water Storage Anomaly based on ITSG-Grace2018

After the GRACE gravity satellite was launched, it made up for the shortcomings of hydrological observations that were easily restricted by observation conditions, uneven spatial distribution of sites and poor data quality. And it can directly obtain terrestrial water storage anomaly (TWSA) at different spatial scales. The ITSG-Grace2018 is the latest release of time-variable gravity field models at Graz University of Technology. In this study, we used ITSG-Grace2018 to calculate TWSA in Amazon basin. The TWSA dataset from January to December 2009 are achieved in hdf5 format with the date every 5 days in the file name. The spatial resolution of the data is 1°×1°.