Glacial environments from ice field to ocean. (a) Glacier runoff emanating from the terminus of Mendenhall Glacier, Alaska. (b) Meares Glacier terminus and fjord, Prince William Sound, Alaska, showing forested hillslopes above the glacier. (c) Mixing of ocean and silt-laden water in Berners Bay, Alaska. (d) Mother and pup harbor seals hauled-out on icebergs calved from McBride Glacier, Glacier Bay National Park, Alaska.