Abstract

Sand, granules, and small pebbles have been observed floating in loose aggregates or patches in the Arctic Ocean near Barrow, Alaska. The causes appear to be the collapse of ice-push ridges of sand and gravel on the beaches, the dumping of material on to calm water, and normal surface tension. Water temperature, particle shape and force of particle-water impact are also pertinent factors. A possible nonwetting compound on the particles was not found.

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