National Geographic Travelのインスタグラム(natgeotravel) - 10月26日 00時49分

Photograph by George Steinmetz @geosteinmetz Nose of the Barne Glacier where it meets the sea ice and causes fracture. The growth of sea ice around the Antarctic continent doubles the continent's surface area, and reaches its maximum size in October, minimum in February. The extent of the sea ice plays a major role in the Antarctic Continent's weather, as it controls (and is a function of) the exchange of solar radiation, heat, and humidity between the sea and the atmosphere.

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