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Abstract:
Radiative transfer modeling is used to compare the performance of two spectral reflectance ratios (omega-R and omega-r), and these against of the Gordon spectral ratio (omega-g)'s performance. All of these ratios are used to extract water quality parameters (WQP) from the ocean. Inputs to the model are: five different scattering phase functions with particulate backscattering probability B-p (from 0.009 to 0.156), fourteen values of solar zenith angle in the water theta-i (from 0 degrees to 46 degrees), and seven values of delta-e (from 0.125 to 0.5). The results indicate that omega-R is more accurate than omega-r because it's less sensitive to different solar and atmospheric parameters. The Gordon's spectral ratio, omega-g is more accurate than any of the reflectance ratios omega-R and omega-r for any natural waters because it is totally independent on solar and atmospheric conditions. It is recommended that it always be used to extract WQP in extremely clear or turbid natural waters.
| Limitations: |
 APPROVED FOR PUBLIC RELEASE |
| Description: |
Conference paper |
| Pages: |
10 |
| Report Date: |
22 Feb 2011 |
| Report Number: |
A990735 |
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