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Extensive observational data is needed by climate modelers in order to compare their simulations with reality.

Observed Precipitation over the Global Ocean Observed precipitation climatology on the basis of HOAPS-3, the "Hamburg Ocean Atmosphere Parameters and Fluxes from Satellite Data"

Observed Precipitation over the Global Ocean

Albedo This animation shows the surface albedo (the reflectivity of a surface) for 1981 to 2005 for the continent of Africa and, at the same time, the temporal evolution of climatological albedo anomalies for the Sahel.


Vegetation and Albedo The visualization of the NDVI vegetation index and the surface albedo, both based on satellite observations, shows the spatio-temporal dynamics of the vegetation in Africa.

Vegetation and Albedo

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