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417 words used in the labs.

Find a term from the labs, understand the process behind it, and see how it appears in the landscape. Each entry connects an explanation with a real observation and a model you can explore.

Levee

Also written: Levée

A raised bank beside a river, either built naturally by overbank sediment deposition or constructed to reduce flooding. Also written levée.

What to look for

Mississippi levee at Hannibal, Missouri, 20 June 2008. This engineered embankment limits inundation; natural levees instead build up from repeated overbank deposition.

A raised embankment separates floodwater from farmland beside the Mississippi at Hannibal, Missouri.
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Explore further with USGS water glossary · USGS volcano glossary · NPS glacial geology · NASA Earth facts. Photograph acknowledgements are collected on the Image credits page.