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Seafloor Mapping

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Glacier Bay

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Glacier Bay location map

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Glacier Bay is the deepest silled fjord in Alaska, with depths of over 450 meters. The variety of physical processes (for example iceberg gouging, see perspective views) and depths create many diverse habitats within a relatively small area. Mapping benthic (seafloor) habitats is thus crucial to understanding and managing Glacier Bay's complex marine ecosystem and the marine species therein. High-resolution multibeam mapping of the bay, funded jointly by the U. S. Geological Survey (USGS) and the National Park Service (NPS), provides an unprecedented new baseline for resource and habitat assessment.

The USGS and NPS goal is to develop integrated geological and oceanographic habitat models for the marine benthos in Glacier Bay, as a step toward determining the habitat relationships of critical species and resources within the Park.

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Archived in 2018