International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004 
no serious effects of these parameters on the 
results were detected. 
4- Conclusion 
A line fit through channels 3, 5, 6 and 7 of 
MODIS and calculation of channel 4 
reflectance from this line suggested by Rong- 
Rong et al., (2003) is approved. The difference 
between this value and the one extracted from 
MODIS channel 4 is found to be in a good 
correlation with the total density especially in 
high visibility situations. Algorithm (2) is 
highly recommended for turbid estuaries and 
coastal waters. Atmospheric aerosols and low 
spatial resolutions are the main reasons for the 
poorness of the results. Sediment constituents 
should be determined once for each region. This 
has an important role in the determination of 
suitable channel/channels in each region for 
SSC estimation. 
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ACKNOWLEDGEMENT 
This project was funded by Khoozistan 
Water and Electricity Organization in Ahvaz. 
The MODIS images were provided by 
Iranian Space Organization. We hereby would 
like to express our high appreciation to these 
organizations for their supports. 
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