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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 15 — May. 20, 2011
  • pp: 2192–2203

Sources of variance of downwelling irradiance in water

Peter Gege and Nicole Pinnel  »View Author Affiliations


Applied Optics, Vol. 50, Issue 15, pp. 2192-2203 (2011)
http://dx.doi.org/10.1364/AO.50.002192


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Abstract

The downwelling irradiance in water is highly variable due to the focusing and defocusing of sunlight and skylight by the wave-modulated water surface. While the time scales and intensity variations caused by wave focusing are well studied, little is known about the induced spectral variability. Also, the impact of variations of sensor depth and inclination during the measurement on spectral irradiance has not been studied much. We have developed a model that relates the variance of spectral irradiance to the relevant parameters of the environmental and experimental conditions. A dataset from three German lakes was used to validate the model and to study the importance of each effect as a function of depth for the range of 0 to 5 m .

© 2011 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(030.6600) Coherence and statistical optics : Statistical optics
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.0300) Spectroscopy : Spectroscopy
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: December 7, 2010
Revised Manuscript: February 5, 2011
Manuscript Accepted: February 7, 2011
Published: May 16, 2011

Virtual Issues
Vol. 6, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Peter Gege and Nicole Pinnel, "Sources of variance of downwelling irradiance in water," Appl. Opt. 50, 2192-2203 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-15-2192


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