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Earth like planets albedo variations versus continental landmass distribution

Published online by Cambridge University Press:  10 November 2011

Esther Sanromá  and
Enric Pallé
Esther Sanromá
Affiliation:
Instituto de Astrofísica de Canarias (IAC), Vía Láctea s/n 38200, La Laguna, Spain email: [email protected]
Enric Pallé
Affiliation:
Instituto de Astrofísica de Canarias (IAC), Vía Láctea s/n 38200, La Laguna, Spain email: [email protected]
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Abstract

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By making use of real information about the continental and oceanic surface distribution of the Earth, and cloudiness data from the International Satellite Cloud Climatology Project (ISCCP), we have studied the large-scale cloudiness behavior according to latitude and surface types (ice, water, vegetation and desert). These empirical relationships are used here to reconstruct the possible cloud distribution of historical epochs of the Earth history such as Late Cretaceous (90 My ago) and Late Triasic (230 My ago) when the landmass distribution was different. This information can be used to simulate the photometric variability of these planets according to their different geographical distribution.

Keywords

astrobiologyatmospheric effectsEarthplanets and satellites: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S276: The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution , October 2010 , pp. 547 - 548
Copyright
Copyright © International Astronomical Union 2011

References

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