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Water transparency (represented by Secchi disk depth, SDD), a key physical feature of lake ecosystems, is directly controlled by optically active substances, including organic matter (concentration and composition) and phytoplankton biomass which are closely related to eutrophication and climate warming. Here, we examined the trends in SDD variation and the driving mechanisms based on short-term (35...
The diffuse attenuation coefficient of photosynthetically active radiation (PAR) (400–700 nm) (Kd(PAR)) is one of the most important optical properties of water. Our purpose was to create Kd(PAR) prediction models from the Secchi disk depth (SDD) and beam attenuation coefficient of particulate and dissolved organic matter (Ct−w(PAR), excluding pure water) in the PAR range. We compare their performance...
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