Temporal Variability and Size-Fractionation of Trace Metals During a Diurnal Cycle in a Coastal System: The Case of Arcachon Bay

Abstract

Coastal systems are vital to human societies, delivering numerous ecosystem services. However, human activities introduce contaminants, especially trace metals (TM) that contribute to their degradation. These environments are inherently dynamic and complex, characterized by rapidly occurring biogeochemical processes. As a consequence, high-frequency sampling is required to evaluate short-term TM dynamics. The hourly temporal variations in nine TM (V, Mn, Ni, Cu, Zn, Cd, Pb, Co and U) concentrations and size-partitioning (

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