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Influence of surface waves on measured and modeled irradiance profiles Public Deposited

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https://ir.library.oregonstate.edu/concern/articles/cj82k890b

This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website:  http://www.opticsinfobase.org/ao/home.cfm. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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  • Classical radiative transfer programs are based on the plane-parallel assumption. We show that the Gershun equation is valid if the irradiance is averaged over a sufficiently large area. We show that the equation is invalid for horizontal areas of the order of tens of meters in which horizontal gradients of irradiance in the presence of waves are much larger than vertical gradients. We calculate the distribution of irradiance beneath modeled two-dimensional surface waves. We show that many of the features typically observed in irradiance profiles can be explained by use of such models. We derive a method for determination of the diffuse attenuation coefficient that is based on the upward integration of the irradiance field beneath waves, starting at a depth at which the irradiance profile is affected only weakly by waves.
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  • 40
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  • 9
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  • This research was supported by the Oceanography Program of the National Aeronautics and Space Administration.
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  • description.provenance : Made available in DSpace on 2012-02-20T22:28:39Z (GMT). No. of bitstreams: 1 ZaneveldRonaldCEOASInfluenceSurfaceWaves.pdf: 5368027 bytes, checksum: 6976ec1004874cff589392cc1fd1cbbe (MD5) Previous issue date: 2001-03-20
  • description.provenance : Submitted by Deanne Bruner (deanne.bruner@oregonstate.edu) on 2012-02-20T22:28:39Z No. of bitstreams: 1 ZaneveldRonaldCEOASInfluenceSurfaceWaves.pdf: 5368027 bytes, checksum: 6976ec1004874cff589392cc1fd1cbbe (MD5)

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