Environmental Science
3 years ago

Estuary study reveals impact on pollution, navigation, and sea levels

Sediment Flux and Salt-wedge Dynamics in a Shallow,Stratified Estuary
Kevin J. Simans

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Researchers studied sediment movement in the Connecticut River estuary from 2013 to 2016. They found that high river flow pushes sediment towards the ocean, while low flow brings sediment back into the estuary. Sediment near the bottom moves towards land, even though overall sediment flow is seaward. River flow is the main factor affecting sediment movement. Fine sediment bypasses the estuary during high flow, while low flow brings sediment back in. This process can impact pollution, navigation channels, and salt marshes as sea levels rise.