Evaluation of BR-DWGD, CHIRPS and GPM-IMERG precipitation products: case study in the Ipojuca River Basin
Journal: Meteorology and Atmospheric Physics
Year: 2026

This study compares daily and monthly precipitation data from the Brazilian Daily Weather Gridded Data (BR-DWGD), Climate Hazards Center InfraRed Precipitation With Station Data (CHIRPS) and Integrated Multi-satellitE Retrievals for GPM (IMERG) products with observations from four rainfall stations in the Ipojuca River Basin, in Pernambuco, Brazil, from 2001 to 2022. Daily data from four rain gauge stations in the municipalities of Arcoverde, Belo Jardim, Caruaru and Primavera were used as refer