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Climatic, hydrologic, and biogeochemical controls on stream solute delivery and in-stream processing vary over a range of time scales from tidal, to diel, to storm event, to seasonal, to multi-decadal. Long-term, high frequency sampling using in-situ solute sensors has proved exceedingly useful in identifying trends, cycles and responses to extreme events, which may not be apparent from periodic grab sampling. Here we present datasets from a variety of stream ecosystems across north Florida, which offer novel insight into temporal variation in stream solute dynamics. Understanding the drivers and time scales of natural variation is critical in establishing a baseline for assessing anthropogenic impacts and for establishing regulatory standards which properly account for such natural variation. |