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Erebus, seawater from McMurdo Sound, and soil from Ross Island and the Dry Valleys.

When we began our descent to the sea ice off Ross Island's coast, I glimpsed long fractures, snow-packed ridges, and pockmarked blue ice blown barren by the polar wind.

In 2017, Mr. Corrie and his firm handled the sale of Little Ross Island, just down the coast from Barlocco.

Ross Island Earth Station, an antenna intended to supply satellite internet to McMurdo next year.

For this paper, the researchers analyzed charcoal extracted from sediment on Antarctica’s James Ross Island in 2015 and 2016.