Table 3.
Summary of semi-empirical bio-optical algorithms for MERIS andLandsat (ʎ in the table denotes the central wavelength of image bands).
| Name of WQPs |
Sensor's Name |
Algorithm |
Applicability |
Reference |
|
| MERIS |
Name |
Band transformation |
|
|
| Chl-a |
|
Ratio |
b7/b9 |
turbid waters with high biomass |
[26] |
|
| |
|
Three band |
(b7-1 - b9-1)xb10 |
turbid and hypertrophic waters |
[27] |
|
| |
|
Reflectance Line Height |
b8 - b9 - ((b10 - b9)*(ʎb9 - ʎb8)x(ʎb10 - ʎb9)-1) |
turbid and hypertrophic waters |
[28] |
|
| |
Landsat |
Ratio |
b1/b2 |
Chloropyll concentration ˂20µg.l-1 |
[29] |
|
| |
|
|
(b1-b3)/b2 |
in the presence of suspended sediment scattering |
[30] |
|
| |
|
|
b1/b3 |
Chloropyll concentration >20µg.l-1 |
[31] |
|
| |
|
|
b3/b4 |
|
[32] |
|
| PC |
MERIS |
Ratio |
b9/b6 |
turbid inland waters |
[33] |
|
|
|