Fig. 4
From: The open-ocean missing backscattering is in the structural complexity of particles
Independent validation of the coated-sphere model. Modelled vs. measured particulate beam attenuation (a) and optical backscattering (b) coefficients at 532 nm for an independent validation dataset. This dataset includes only samples collected at 5 m from the ship’s underway seawater supply during the AMT22 cruise. Error bars (black lines within circles) represent the combined uncertainty (95% confidence intervals) as propagated from particle size distribution measurements (see Methods). Systematic error (Bias), Pearson’s correlation coefficient (r) and number of observations (N) are shown. All r coefficients are statistically significant (p < 0.01). Red dotted lines indicate the range of measured values of the particulate beam attenuation and optical backscattering coefficients used to parameterise the coated-sphere model
