Detecting sediment events

SediMeter SM3A in Biscayne Bay, Florida

The photo shows a SediMeter™ deployed on a tidal channel through the shallow area between Biscayne Bay and the Florida Straits. By measuring the sediment level many times every tidal cycle, and correlating the SediMeter data with tidal data, it became clear what the conditions were for erosion of the channel.

In the science of geomorphology one of the questions have been if the landforms are created by frequency or magnitude. That is, is it the frequent small events, or the rare large-magnitude events that create the landforms? The SediMeter was invented at Uppsala University precisely to answer this question. In this deployment the answer was found successfully.

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