What is the highest resolution at which global soil moisture product is available?

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Shuraik Kader

The Copernicus Global Land Service provides Surface Soil Moisture (SSM) and the Soil Water Index (SWI) with a resolution of 1 km for the layer over Europe and 12,5 km at global scale, every day.

Hareef Baba Shaeb Kannemadugu

Thanks, Shuraik. Are there any validation studies for this product available?

Rakesh Kumar

Harmonized world soil database v1.2 of FAO which may have this variable along with many others is available in 1km spatial resolution.

See the link for more details:

https://www.fao.org/soils-portal/data-hub/soil-maps-and-databases/harmonized-world-soil-database-v12/en/

Carlos Cerrejón

Allo Hareef,

You can find the publicly available satellite-derived global soil moisture products, their spatial resolution as well as other useful information in Table 1 of the following review.

Peng, J., Albergel, C., Balenzano, A., Brocca, L., Cartus, O., Cosh, M. H., ... & Loew, A. (2021). A roadmap for high-resolution satellite soil moisture applications–confronting product characteristics with user requirements. Remote Sensing of Environment, 252, 112162.