What do the world's oldest icebergs look like

What do the world's oldest icebergs look like

Categories: Ecology | Nature | Water

Icebergs that broke away from the mainland hundreds of years ago and still float in the ocean are one of the most beautiful creations of nature. Every year hundreds of thousands of icebergs break off from glaciers and slide into the sea near the North and South Poles. Only 10% of the total volume of the iceberg can be seen on the surface of the water, and everything else is hidden under water. Some of the icebergs formed from lumps of snow have been floating for more than 30 thousand years.

Glacier researcher Robert Gilmore, who visits Antarctica every year on expeditions for the Polar Latitudes organization, says: "They melt incredibly slowly. And they move slowly, a maximum of two knots, depending on the current. Icebergs vary greatly in appearance. Darker streaks on some of them may appear when ice water penetrates into the cavities and freezes again. Bluish icebergs are older and more compact, so they do not refract light and it turns out a kind of optical illusion."

What do the world's oldest icebergs look like

What do the world's oldest icebergs look like

Icebergs melt on a summer night in the glacier lagoon of Jekulsaurloon in Iceland, reflecting in the water under a cloudy sky.

What do the world's oldest icebergs look like

This iceberg was captured by photographer Ralph Clevenger in Antarctica.

What do the world's oldest icebergs look like

Storms sculpted a bizarre sculpture from this iceberg off the coast of Greenland.

What do the world's oldest icebergs look like

A colony of penguins in a sea of Cattle has turned this ancient iceberg into an amusement park.

What do the world's oldest icebergs look like

Perito Moreno Glacier in Argentina.

What do the world's oldest icebergs look like

What do the world's oldest icebergs look like

What do the world's oldest icebergs look like

What do the world's oldest icebergs look like

Photographer Alex Cornell captured this tilted iceberg off the coast of Antarctica. This effect is due to an internal imbalance in the iceberg.

What do the world's oldest icebergs look like

Penguins on an iceberg in the Weddell Sea.

What do the world's oldest icebergs look like

A flat-topped iceberg that is falling apart.

What do the world's oldest icebergs look like

What do the world's oldest icebergs look like

Large icebergs contain a lot of sediment and minerals brought by the wind, which look like layers when they roll over.

What do the world's oldest icebergs look like

Iceberg off the coast of Isfjord, Ilulissat, Greenland.

What do the world's oldest icebergs look like

A protruding iceberg and its impressive part, visible through clear cold water.

What do the world's oldest icebergs look like

When the sun came out, a beautiful haze appeared off the shores of the Sermek-Kuyallek glacier, the most prolific iceberg in the Northern Hemisphere.

What do the world's oldest icebergs look like

Iceberg on the surface of Yekulsaurloun.

What do the world's oldest icebergs look like

Iceberg in the Inner Strait of Alaska.

What do the world's oldest icebergs look like

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