Estimation of chlorophyll-A concentration from VIIRS ocean color data in Cambodia
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Abstract
A study on chlorophyll-a concentration on Cambodia water in the Gulf of Thailand was conducted using the Visible Infrared Imaging Radiometer Suite (VIIRS) to produce an estimation of global chlorophyll-a concentration. Field data was obtained from R/V Koyo-maru cruise No 49/2514 in 26 stations on November 2014 using calibration and validation. The study yielded results of a mean concentration of 1.467 mg/m3, minimum concentration of 0.503 mg/m3 and maximum concentration of 55.663 mg/m3. The relationship between field data and satellite data is Y = 1.721x + 0.291, where Y is field chlorophyll-a concentration and x is concentration from VIIRS product. The coefficient of determination (R2) is 0.245 which is lower than expected whereas RMSE from validation is 0.275 which is acceptable enough.
Suggested Citation
Laongmanee, W., Luadnakrob, P., & Arnupapboon, S. (2016). Estimation of chlorophyll-A concentration from VIIRS ocean color data in Cambodia. Kasetsart University Fisheries Research Bulletin , 40(3), 74-77. http://hdl.handle.net/20.500.12067/690
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