ASCAT Surface Soil Moisture Climate Data Record v5 12.5 km sampling - Metop

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Provided by European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT)

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Dataset information

Country of origin
Updated
Created
Available languages
English
Keywords
Soil Moisture
Quality scoring
175

Dataset description

The Soil Moisture (SM) product is derived from the Advanced SCATterometer (ASCAT) backscatter observations and provided on a fixed Earth grid (12.5 km sampling) in time series format. The SM product provides an estimate of the water content of the 0-5 cm topsoil layer, expressed in degree of saturation between 0 and 100 [%]. The algorithm used to derive this parameter is based on a linear relationship of SM and scatterometer backscatter and uses change detection techniques to eliminate the contributions of vegetation, land cover and surface topography, considered invariant from year to year. Seasonal vegetation effects are modelled by exploiting the multi-angle viewing capabilities of ASCAT. The SM algorithm has been developed by Vienna University of Technology (TU Wien). The SM product represents a reprocessed data record and covers the period 2007-2018.
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