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Westernmost, low-lying region of Louisiana coast on track to drown under sea level rise

Dead trees mark an area in Houma, Louisiana, transitioning from a forested swamp to a grassy marsh.

Dead trees mark an area in Houma, Louisiana, transitioning from a forested swamp to a grassy marsh.

Credit: USGS


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Aerial view of degrading marsh in southeastern Louisiana.

Aerial view of degrading marsh in southeastern Louisiana.

Credit: USGS


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Surface-elevation measurement in a marsh near Myrtle Grove, Louisiana.

Surface-elevation measurement in a marsh near Myrtle Grove, Louisiana.

Credit: Torbjörn Törnqvist


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Researchers use pins resting on the wetland surface to measure its elevation relative to sea level.

The researchers use pins resting on the wetland surface to measure its elevation relative to sea level.

Credit: Torbjörn Törnqvist


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View of relatively healthy marsh area in southeastern Louisiana with tidal channels and canals.

View of relatively healthy marsh area in southeastern Louisiana with tidal channels and canals.

Credit: Torbjörn Törnqvist


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Marshes around Delacroix, Louisiana, a once-thriving community now largely abandoned.

Marshes around Delacroix, Louisiana, a once-thriving community now largely abandoned.

Credit: Torbjörn Törnqvist


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