Computation of the Particular Organic Carbon product produced from the Ocean Colour Climate Change Initiative v4.2 dataset
Computation of the Particulate Organic Carbon (POC) v4.2 products on geographic and sinusoidal projections at 4 km resolution are based on the empirical remote sensing reflectance (Rrs) band ratio algorithm by Stamski et al. (2008): 203.2*Rrs(443)/Rrs(555)^-1.034. The Rrs at 443 and 555 nm were obtained from the European Space Agency (ESA) Ocean Colour Climate Change Initiative version 4.2 dataset (OC-CCI v4.2) (Sathyendranath et al., 2020). The bias and root-mean-square-difference of log_10 transformed POC data in each pixel were computed by weighting the uncertainties in each CCI optical water class by their membership (Brewin et al., 2017; Jackson et al., 2017). For more details about algorithm and validations, please see BICEP Algorithm Theoretical Basis Document (ATBD) and validation report (https://bicep-project.org/Home).
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