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        Atchafalaya Bay Deltas

        See how deltas have formed at the mouths of the Atchafalaya River and Wax Lake Outlet with video created using NASA satellite images collected over 31 years. Land growth at these places is extraordinary because other areas along Louisiana’s coastline are retreating. Levees installed to control flooding have altered the natural process of delta formation at the mouth of the Mississippi River, while some natural and human-influenced factors are contributing to exceptional formation of deltas in Atchafalaya Bay to the west of the Mississippi.

        To view the Activity, Background Essay, and Teaching Tips for this media gallery, go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.

        Examining the Atchafalaya Bay Deltas

        Learn how deltas have formed at the mouths of the Atchafalaya River and Wax Lake Outlet with this video created using NASA satellite images collected over 31 years.

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        Atchafalaya Bay Deltas with Labeled Features

        Observe areas of vegetation growth, new bare land, and sediment buildup in the Atchafalaya Bay with this labeled NASA satellite image.

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        Atchafalaya Bay Deltas Annual Growth

        Observe how deltas have formed at the mouths of the Atchafalaya River and Wax Lake Outlet with this series of NASA satellite images collected over 31 years.

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