Sea ice - Wikipedia
Broken pieces of Arctic sea ice with a snow cover. Sea ice arises as seawater freezes. Because ice is less dense than water, it floats on the ocean's surface (as does fresh water ice). Sea ice …
Sea Ice Glossary - Woods Hole Oceanographic Institution
1. A hillock of broken ice which has been forced upwards by pressure. It may be fresh or weathered. The submerged volume of broken ice under the hummocks, forced downwards by …
Massive iceberg that broke away from Antarctica sparks concerns
1 day ago · A giant iceberg has broken away from Antarctica. Scientists say this is happening more often due to warming. ... epoch, Earth was generally warmer than it is today. Scientists …
Where is the iceberg that broke off Antarctica and is it a threat?
Nov 27, 2023 · Researchers have been shocked by recent climate extremes in Antarctica, including record-high temperatures and vast areas of missing sea ice, which serve to buffer …
Are icebreakers changing the climate? - National Snow and Ice …
Jul 29, 2021 · According to NSIDC senior research scientist Walt Meier, even as icebreaker activity increases in the Arctic, the amount of sea ice broken by icebreakers is a drop in the …
Studying sea ice | National Snow and Ice Data Center
Aug 15, 2024 · Once Arctic sea ice is broken up, does it melt faster? Yes. Waves, sea spray, winds, and melt ponds all affect sea ice. If the ice is broken up, the areas of open water …
Massive iceberg breaks off from Antarctica - NASA Science
Jul 12, 2017 · In 2014, a crack that had been slowly growing into the ice shelf for decades suddenly started to spread northwards, creating the nascent iceberg. Now that the close to …
Bothnian Bay Before the Breakup - NASA Earth Observatory
May 4, 2021 · These images offer a late-season look at some icy features before they are wiped away by spring melting. Acquired on April 19, 2021, by the Operational Land Imager (OLI) on …
Storm-induced sea-ice breakup and the implications for ice extent
May 28, 2014 · Here we show that storm-generated ocean waves propagating through Antarctic sea ice are able to transport enough energy to break sea ice hundreds of kilometres from the …
Sea ice consists of frozen sea water. River (freshwater) ice is often indistinguishable when mixed with sea ice, especially with snow cover. Glacier ice, broken away from a tidewater glacier, is …