Dataset Edition

General information
Dataset nameMULTI-SAT - EPSATSG-AMSRE - Surface Soil Moisture (0-5 cm) - West Africa - 0.1
Created on2016-11-28
Useful in the framework ofOPERATIONAL-DATA > Satellite products
Dataset Contact(s)
Data access Original dataset as provided by the Principal Investigator


PurposeThe EPSAT-SG_AMSR-E dataset is based on the combination of two products: the 30-min EPSAT-SG rainfall product and daily AMSR-E brightness temperatures (TB) at C-band (6.9 GHz). Based on the Antecedent Precipitation Index (API) model, the EPSAT-SG rainfall product was used to produce soil moisture maps at a spatial resolution of 10×10 km2 and a temporal resolution of 30-min. Then, daily AMSR-E TBs, strongly related to surface soil moisture, were used to correct soil moisture estimates by multiplying the EPSAT-SG rainfall rates by a factor between 0 and 7 that minimizes the difference between simulated (obtained using a microwave emission model) and observed TBs from AMSR-E. Ground-based soil moisture measurements obtained at three sites in Niger, Mali and Benin were used to assess the method which was found to improve the soil moisture estimates on all three sites. More details can be found in pellarin et al., 2009.
Instrument type
Parameter nameSurface Soil Moisture (0-5 cm)
Parameter keywordLand Surface > Soils > Soil Moisture/Water Content
Temporal Coverage
Date begin2006-06-01Date end2006-09-30
Geographic Coverage
Area nameWest-Africa
West bounding coordinate (°)-20East bounding coordinate (°)20
North bounding coordinate (°)20South bounding coordinate (°)9
Data resolution
Temporal resolution0000-00-00 00:30:00
Latitude resolution0.1
Longitude resolution0.1
Data use information
Use constraintsSee AMMA data policy.
Data policyAMMA data policy
Data format(s)NetCDF