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Empirical algorithm to estimate the average cosine of underwater light field at 490 nm
| Content Provider | CSIR - National Institute of Oceanography (NIO) |
|---|---|
| Author | Talaulikar, M. Suresh, T. Desa, E. Matondkar, S. G. P. Kumar, T. S. Lotliker, A. Inamdar, A. |
| Abstract | The average cosine of the underwater light field mu(lambda), where lambda is the wavelength, is an apparent optical property (AOP) that describes the angular distribution of radiance at a given point in water. Here, we present a simple algorithm to determine the average cosine at 490 nm, mu(490), which was developed using the measured optical parameters from the eastern Arabian Sea and coastal waters off Goa. The algorithm is validated using measured optical parameters. This algorithm, based on a single optical parameter, performed better compared with other empirical algorithms in determining the average cosine of underwater light field. The absorption coefficient at 490 nm, derived as an application of mu(490), compared well with the synthetic optical data and optical data measured from other regions. |
| Starting Page | 585 |
| Ending Page | 593 |
| Page Count | 9 |
| File Format | |
| Journal | Remote Sensing Letters |
| Volume Number | 3 |
| Language | English |
| Publisher | Taylor & Francis |
| Access Restriction | Open |
| Subject Keyword | light fields Wavelength Radiance algorithms |
| Content Type | Text |
| Resource Type | Article |
