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An iceberg in the Arctic Ocean. An iceberg is a piece of fresh water ice more than 15 meters (16 yards) long [1] that has broken off a glacier or an ice shelf and is floating freely in open water. [2] [3] Smaller chunks of floating glacially derived ice are called "growlers" or "bergy bits".
Iceberg B-15, the world's largest recorded iceberg, was calved from the Ross Ice Shelf during March 2000. Scientists have long been intrigued by the shelf and its composition. Many scientific teams researching the Antarctic have made camps on or adjacent to the Ross Ice Shelf.
A23a is a large tabular iceberg which calved from the Filchner–Ronne Ice Shelf in 1986. It was stuck on the sea bed for many years but then started moving in 2020. As of February 2024, its area is about 3,900 square kilometres (1,500 sq mi), which makes it the current largest iceberg in the world. [2] [3]
The world's largest iceberg is on the move for the first time in more than three decades, scientists said on Friday. At almost 4,000 square km (1,500 square miles), the Antarctic iceberg called ...
Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. [1] It is a form of ice ablation or ice disruption. It is the sudden release and breaking away of a mass of ice from a glacier, iceberg, ice front, ice shelf, or crevasse. The ice that breaks away can be classified as an ...
Fear isn’t rare—we all have things we’re scared of, whether that’s heights (hey!), spiders, open water, snakes, or, well, anything and everything. A phobia you may have heard a little less ...
“Maybe you’ll kill a hundred, but that’s the tip of the iceberg,” says Benson. “There’s a whole colony, including the queen and babies, that you haven’t touched.”
Sea ice has an important effect on the heat balance of the polar oceans, since it insulates the (relatively) warm ocean from the much colder air above, thus reducing heat loss from the oceans. Sea ice is highly reflective of solar radiation , reflecting about 60% of incoming solar radiation when bare and about 80% when covered with snow.