HYPER-P: HYdroclimatic PERformance-enhanced Precipitation at 1 km/daily over the Europe region from 2007 to 2022

The product is characterized by the integration of SM2RAIN-derived rainfall, GPM Late run precipitation and ERA5 Land estimates. The soil moisture-based estimates are obtained through the application of SM2RAIN to ASCAT retrievals. The three product are merged with a triple collocation technique. Prior the merging, the data are downscaled at 1 km spatial resolution using CHELSA (1 km) climatology. The merging technique allows to obtain a high-resolution product (1km, 24 hour) over Europe. The product has been developed in the framework of the 4DHydro project for the entire ASCAT era (2007-2022). Acknowledgements The work is supported by the European Space Agency (ESA) through the 4DHydro grant no. ESA 4000136272/21/I-EF