Abstract:
This study was concentrated on turbid and semi turbid multicomponental
coastal waters. The component of Apparent Optical Properties(AOP) were determined
during the field sampling in Kuala Terengganu coastal water. The relationship
between Remote Sensing Reflectance (RrJ and Diffuse Attenuation Coefficient(KJ
with the concentration of Chlorophyll-a was succesfully studied. The peak
wavelength to best detect the Chlorophyll-a concentration from station 1-22 was
509nm and 532nm. Furthermore, the highest value of R2 that is 0.649 showed that
there was correlation between the Rrs component and the concentration of
Chlorophyll-a at 509nm wavelength compared to other wavelength. While for the
other component, K<1, the visible region (443,490, 510, 532, 555, and 647nm) showed
a significant correlation with the concentration of Chlorophyll-a with R2 more than
0.9. The deepest the water, the much lesser the value of Rrs· This is because of the
rate of the sunlight penetration into the ocean water decreased with the increasing of
the ocean depth. Thus, the total amount of sunlight that will be reflected back by the
ocean particle and the water itself will be much lesser.
