Buoy System Handbook
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Diffuse Attenuation Coefficient (Kd)

Input

  1. Downwelling Irradiance from two OCR sensors, (Ed)

  2. Depths of each sensor (depth_bnds).

  3. Solar zenith angle (solar_senith_angle).

Ancillary Requirements

  1. Fresnel Reflection Albedo.

MATLAB m-file

Compute_Kd.m

Output

The diffuse attenuation coefficients reported in units of 1/m for each wavelength of corresponding OCR instruments. In the NetCDF file, it is named Kd.

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Real Part of the Index of Refraction (real_refractive_index)UpDiffuse Attenuation Coefficient Over PAR (Kd_PAR)