. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 8 Interestingly, concentrations of organic and mineral suspensates are not significantly correlated with each other. This indicates that the organic and mineral phases of suspended particulates are derived from different sources; , organic suspensates from the mangrove swamps and mineral suspensates from the Main Channel and fringing shoals. BLUE ATTENUATION VS ORGANIC CONC. r = 1 Organic Concentration (mg/l) Figure 4. Plot of blue attenuation (c/m) versus concentratio
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 8 Interestingly, concentrations of organic and mineral suspensates are not significantly correlated with each other. This indicates that the organic and mineral phases of suspended particulates are derived from different sources; , organic suspensates from the mangrove swamps and mineral suspensates from the Main Channel and fringing shoals. BLUE ATTENUATION VS ORGANIC CONC. r = 1 Organic Concentration (mg/l) Figure 4. Plot of blue attenuation (c/m) versus concentration of OSM. r = included in plot. One outlier not A nonlinear regression model of green light attenuation and TSM results in a better fit than a linear relationship. We fit c/m =b] exp(-b2/x) where c/m is the attenuation per meter path length, the b's are constants and x is TSM. R2, the proportion of the variance of the dependent variable explained by this regression, is (r=) as opposed to (r=) for the linear regression. Such a model implies that there is a limiting value of TSM for green light attenuation; , above this critical value of TSM, no further change occurs, to any great degree, in green attenuation. Water in the open lagoon (stations 1 and 2) attenuated very little light of either wavelength. Blue and green attenuation for these stations were approximately equal (1985 data). Concentrations of OSM were below detection level and concentrations of MSM were the lowest recorded in the study area. These waters, within the limits of the Martek transmissometer and assuming very little particle scattering, are similar to extremely clear oceanic waters (Smith and Baker, 1981).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Press; National Research Council
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