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Table of Contents

Albedo

Albedo is the fraction of solar energy (shortwave radiation) reflected from the earth back into space.  Where reflectivity is:

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  • due to tides that can cover and uncover extensive areas of sand or mud (e.g. around the Frisian Islands) or where the extent of a lake varies substantially during the year (e.g. Lake Kati Thanda–Lake Eyre, Australia).
  • due to large areas of burnt vegetation after extensive forest fires.


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Fig2A.1.4.6-1: Example surface albedo as shown in the surface parameters charts.  The albedo is taken from climatological data on a monthly basis.

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See the current albedo chart.

Considerations

It is important to consider the effects of any day-to-day differences in albedo values between those deriving from actual conditions and those used in model forecasts.  

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