Drift ice is sea ice that floats on the surface of the water in cold regions, as opposed to fast ice, which is attached ("fastened") to a shore. Greenland (Kalaallit Nunaat meaning "Land of the Greenlanders" Grønland is a self-governing Danish Province located between the Sea ice is formed from Ocean water that freezes Because the Oceans consist of Saltwater, this occurs at about -1 Fast ice ( land-fast ice, landfast ice) is Sea ice that has frozen along Coasts ("fastened" to them along the Shoals or Usually drift ice is carried along by winds and sea currents, hence its name, "drift ice". An ocean current is continuous directed movement of Ocean water.
When the drift ice is driven together into a large single mass, it is called pack ice. Typically areas of pack ice are identified by high percentage of surface coverage by ice: e. g. , 80-100%.
An ice floe is a large piece of drift ice that might range from tens of metres (yards) to several kilometrmiles in diameter. Geometry, a diameter of a Circle is any straight Line segment that passes through the center of the circle and whose Endpoints are on the Wider chunks of ice are called ice fields.
The two major ice packs are the Arctic ice pack and the Antarctic ice pack. Polar ice packs are large areas of Pack ice formed from Seawater in the Earth 's Polar regions known as Polar ice caps the Arctic The Antarctic ice sheet is one of the two Polar ice caps of the Earth.
In many areas such as the Baltic, drift ice is traditionally a seasonal event, appearing in winter and vanishing in warmer seasons. The Baltic Sea is a Brackish inland sea located in Northern Europe, from 53°N to 66°N Latitude and from 20°E to 26°E Longitude.
Seasonal ice drift in the Sea of Okhotsk by the northern coast of Hokkaidō, Japan has become a tourist attraction of this area with harsh climate. The Sea of Okhotsk ( Russian: Охо́тское мо́ре English Transliteration: Okhotskoye More) is a part of the western Pacific Ocean, WikipediaWikiProject Japanese prefectures for guidelines --> formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan 's For a topic outline on this subject see List of basic Japan topics. Climate encompasses the temperatures humidity rainfall atmospheric particle count and numerous other meteorogical factors in a given region over long periods of [1] Sea of Okhotsk is the southernmost area in the Northern hemisphere where drift ice may be observed. Northern Hemisphere is the half of a Planet that is North of the Equator —the word hemisphere literally means 'half ball'
The major aspects of the drift ice are:
- Security of navigation
- Climatic impact, see "Polar ice packs" for details
- Geological impact
- Biosphere influence, see Ecology of sea ice
Polar ice packs
The most important areas of pack ice are the Polar ice packs formed from seawater in the Earth's polar regions: the Arctic ice pack of the Arctic Ocean and the Antarctic ice pack of the Southern Ocean. Navigation is the process of reading and controlling the movement of a craft or vehicle from one place to another Polar ice packs are large areas of Pack ice formed from Seawater in the Earth 's Polar regions known as Polar ice caps the Arctic Sea ice is formed from Ocean water that freezes Because the Oceans consist of Saltwater, this occurs at about -1 Satellite imagery consists of photographs of Earth or other planets made by means of Artificial satellites. The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region is the smallest and shallowest of the world's five major Wrangel Island (о́стров Вра́нгеля ostrov Vrangelya) is an Island in the Arctic Ocean, between the Chukchi Sea and East Polar ice packs are large areas of Pack ice formed from Seawater in the Earth 's Polar regions known as Polar ice caps the Arctic Seawater is Water from a Sea or Ocean. On average seawater in the world's oceans has a Salinity of about 3 Earth's polar regions are the areas of the globe surrounding the poles also known as frigid zones. The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region is the smallest and shallowest of the world's five major The Southern Ocean, also known as the Great Southern Ocean, the Antarctic Ocean and the South Polar Ocean, comprises the southernmost waters of Polar packs significantly change their size during seasonal changes of the year. Because of vast amounts of water added to or removed from the oceans and atmosphere, the behavior of polar ice packs has a significant impact of the global changes in climate. An atmosphere (from Greek ατμός - atmos, " Vapor " + σφαίρα - sphaira, " Sphere " Climate encompasses the temperatures humidity rainfall atmospheric particle count and numerous other meteorogical factors in a given region over long periods of
See also
References
- Drift Ice as a Geologic Agent, google video by US Geologic Survey
- Ice in the Sea Chapter from Nathaniel Bowditch's American Practical Navigator
- Cryosphere Today : Current Arctic sea ice conditions
- Data source for sea ice picture
- Marine Modeling and Analysis Branch
- Everything you ever wanted to know about sea ice but were afraid to ask
- Animation of the movement of sea ice, September 2003 through May of 2004. Ice drift is movement of Ice. An important type of ice drift it drift of the Sea ice, i Soviet and Russian manned drifting ice stations are important contributors to exploration of the Arctic. Sea ice is formed from Ocean water that freezes Because the Oceans consist of Saltwater, this occurs at about -1 A polynya (common US spelling or polynia (common UK spelling ( is an area of open water surrounded by Sea ice. Shelf ice can refer to the Ice that forms when a portion of a Lake surface freezes An iceberg is a large piece of freshwater Ice that has broken off from a snow-formed Glacier or Ice shelf and is floating in open water Events 1489 - The Queen of Cyprus, Catherine Cornaro, sells her kingdom to Venice. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. Nathaniel Bowditch ( March 26, 1773 &ndash March 16 1838) was an early American Mathematician remembered for his work on ocean The United States Marine Modeling and Analysis Branch (MMAB is part of the Environmental Modeling Center, which is responsible for the development of improved numerical
- NSIDC Sea Ice Index
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