Abstract
Earth's albedo is the fraction between the radiation reflected outside and the incident solar radiation, and regional albedo is this parameter obtained in the nadir point of a satellite. This work describes a new self-calibrated method for the assessment of albedo using the telemeterized data from the solar cell experiment of the second data collection satellite, second Satelite de Copeta de Dados (SCD2), launched on October 1998. A numerical simulation shows that the albedo data of this experiment is a function of the local weather condition (clouds). The continuous monitoring of this data permits one to infer climate change. This work shows and makes analysis of albedo in three cities of Brazil (South America) during 1999 and 2000, which have different climate conditions. The albedo graphics help explain the climate behavior in these regions. The experiment and the method of this work may establish a cost-effective innovation for space programs.
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