Useful satellite data concerning sea ice began in late 1978 with the launch of NASA's Scanning Multichannel Microwave Radiometer (SMMR) satellite.
I think that it was a siege
The answer to your question is: Abrasion.
Abrasion occurs when sediments that are located on the shore of a lake, and an ocean accumulate along the shore.
The accumulation of sediment found along the shore of a lake or ocean is called a<em> Abrasion.</em>
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-LizzyIsTheQueen