Contributions to absorption line weakening in the Earth's atmosphere

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Contributions to absorption line weakening in the Earth's atmosphere

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dc.contributor.advisor Shardha Jogee
dc.creator Penner, Kyle
dc.creator Allende Prieto, Carlos
dc.date.accessioned 2011-09-01T20:16:36Z
dc.date.available 2011-09-01T20:16:36Z
dc.date.created 2008
dc.date.issued 2011-09-01
dc.identifier.uri http://hdl.handle.net/2152/13368
dc.description.abstract Daytime skylight is an imperfect representation of the solar spectrum. Scattering of light in the Earth’s atmosphere changes the depths of solar absorption lines. This scattering is due to either molecules or dust grains in the Earth’s atmosphere. Addi- tionally, ground-albedo, the reflection of sunlight from the Earth’s surface back into the atmosphere, may play an important role in diluting the strength of absorption lines. The relative importance of each process is not understood – some studies suggest that ground-albedo is not important, while others indicate that it is significant. We exam- ine the filling-in of absorption lines as a function of angular separation from the Sun, replicating previous measurements with a much richer dataset; because we have line data for the Sun’s entire optical spectrum, we more clearly determine what processes are important.
dc.language.iso eng
dc.subject College of Natural Sciences
dc.subject absorption lines
dc.subject Earth
dc.subject atmosphere
dc.subject Sun
dc.subject solar
dc.title Contributions to absorption line weakening in the Earth's atmosphere
dc.type Thesis
dc.description.department Astronomy

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