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Title Sources of variance of downwelling irradiance in water
Type Publication

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.

Available from
P. Gege
Journal Applied Optics
Volume 50
Pages 2192-2203
Year 2011
Times cited 0
Institute country Germany
Type of science
  • Radiation
Field of science
  • Continental surface
File details
Added Nov. 29, 2011, 00:00
Last update May 2, 2016, 13:40
Size 1.3 MB
File name Gege_Pinnel2011_20111129153257.pdf
Visibility Public - Available for any user
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