Abstract Log normal-like concentration distributions are ubiquitously observed in the environment.However, Cropped Tee the mechanistic origins are not well understood.In this paper, we show that first order exponential kinetics onsets log-normal concentration distributions, under certain assumptions.Given the ubiquity of exponential kinetics, e.g.
, source and sink processes, this model suggests an explanation for the frequent observation in the environment, and elsewhere.We compare this model to other mechanisms affecting concentration distributions, e.g., source mixing.Finally, we discuss Diamond Select possible implications for data analysis and modelling, e.
g., log-normal rates and fluxes.