Medial moraines, McBride GlacierAdd to Cart Add to Lightbox Download
Two large glaciers come together to form the main flow of the McBride Glacier in Glacier Bay National Park and Preserve. The dark lines of rock debris are called medial moraines. A medial moraine is formed when two glaciers meet and the debris on the edges of the adjacent valley sides join and are carried on top of the glacier.
The McBride Glacier, the most active glacier and only tidewater glacier in the Muir Inlet, is retreating.
Glacier Bay National Park is located in southeast Alaska. Known for its spectacular tidewater glaciers, icefields, and tall costal mountains, the park is also an important marine wilderness area. The park a popular destination for cruise ships, is also known for its sea kayaking and wildlife viewing opportunities.
Glacier Bay National Park is home to humpback whales which feed in the park's protected waters during the summer, both black and grizzly bears, moose, wolves, sea otters, harbor seals, steller's sea lions and numerous species of sea birds.
The dynamically changing park, known for its large, contiguous, intact ecosystems, is a United Nations biosphere reserve and a UNESCO World Heritage site.
- Medial moraines, McBride Glacier.jpg
- © John L. Dengler
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Alaska America Department of the Interior East Arm GLBA Glacier Bay Glacier Bay National Park and Preserve McBride Glacier Muir Inlet NPS National Park Service North America U.S. US USA United States United States of America aerial aerial view awe awe inspiring beautiful beauty in nature big cold emotive glacial glacier glaciers horizontal huge landscape landscapes massive medial moraine mountain nature no people nobody outdoor outdoors outside pond pretty pristine protected land scenery scenic snow southeast Alaska travel travel destination traveled traveling travelled unspoiled water wilderness
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- Glacier Bay National Park, Alaska