Waterfalls and Headward Erosion - PowerPoint PPT Presentation

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Waterfalls and Headward Erosion

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  1. Waterfalls and Headward Erosion FREEING THE ELWHA

  2. FREEING THE ELWHA

  3. Waterfalls Erode Down into the Bedrock and Erode Upstream to Form Gorges FREEING THE ELWHA

  4. A Waterfall Creates a Plunge Pool Below It FREEING THE ELWHA

  5. This Waterfall Eroded into a Weaker Bedrock Layer Allowing It to Erode a Gorge Headward FREEING THE ELWHA

  6. Notice the Headward Erosion The Gorge Cuts Deeper and Moves Further Upstream FREEING THE ELWHA

  7. FREEING THE ELWHA

  8. FREEING THE ELWHA

  9. This project was made possible in part by a grant from Washington’s National Park Fund. FREEING THE ELWHA