Level 3: multi-date product, summary of light pixels based on various level 2 products acquired over a short time period.
NetCDF format and EASE-grid-2 grids with sampling at 25 km.
The ground surface humidity product provides absolute value data at the global scale with 25 km resolution. These data are acquired at a daily, weekly and monthly frequency. The period covered started in 2002 and is still ongoing.