Variability in the backscattering efficiency of particles in the Bohai and Yellow Seas and related effects on optical properties.

摘要: The backscattering efficiency of particles is a crucial factor that relates light with biogeochemical properties. In this study, based on in situ measurements the coefficient (bbp(λ)), particle variables and remote sensing reflectance (Rrs(λ)) two typical shallow semi-enclosed seas, namely Bohai Sea (BS) Yellow (YS) during late spring, summer autumn, we examined particulate pseudo-backscattering variability at 640 nm (P_Qbbe(640)) related optical effects. results show P_Qbbe(640) levels varied by nearly orders for all samples examined. This high degree significantly affected bbp(640) mass-specific (bbp*(640)), showing approximately 63.7% 20.8% bbp*(640) was attributed to P_Qbbe(640), respectively. More importantly, consistent observations Wang et al. [J. Geophys. Res.: Oceans 121, 3955 (2016)], clearly showed clusters clustering changed relationships between bbp*(640), Rrs(640) variables. However, confirm generally remained intact across seasons. Therefore, simple scheme threshold data proposed classification types. With classification, impacts were reduced, co-variation trends can be turn more accurately described. Overall, study provides general information BS YS consequent effects type may also provide useful basis better modeling marine processes development ocean color algorithms.