Data access

Two Data Level

  • 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.

Measuring Summer 2018 Drought

Here the soil moisture measured by SMOS-IC in July 2017 (left) and July 2018 (right) for Europe. The comparison shows a strong summer deficit in Northern France, Belgium and the Netherlands in 2018.


Jean-Pierre Wigneron
Contributions FR | EN

Arnaud Mialon