Forty Years of Change in Louisiana’s Wetlands - selected image

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Data acquired August 31, 1985
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Data acquired August 31, 1985
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Data acquired October 21, 2024
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Data acquired October 21, 2024
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Forty Years of Change in Louisiana’s Wetlands

Scientists used Landsat satellite images to detect both abrupt and gradual changes and to examine how phenomena, from storms to sea level rise, have reshaped coastal ecosystems.

This image originally appeared in the NASA Earth Observatory story Forty Years of Change in Louisiana’s Wetlands.

NASA Earth Observatory animations by Ross Walter, using Landsat data from the U.S. Geological Survey. Story by Madeleine Gregory, Landsat Science Outreach Team.

Published May 19, 2025
Data acquired August 31, 1985 - October 21, 2024

Sources:: Landsat 5 > TM; Landsat 8 > OLI; Landsat 9 > OLI-2