- Branża: Education
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Founded in 1876, Texas A&M University is a U.S. public and comprehensive university offering a wide variety of academic programs far beyond its original label of agricultural and mechanical trainings. It is one of the few institutions holding triple federal designations as a land-, sea- and ...
A type of sea ice defined by the WMO as: Accumulations of floating ice made up of fragments not more than 2 meters across; the wreckage of other forms of ice.
Industry:Earth science
A type of sea ice defined by the WMO as: An accumulation of spongy white lumps, a few centimeters across; they are formed from grease ice or slush and sometimes from anchor ice rising to the surface.
Industry:Earth science
A type of sea ice defined by the WMO as: Fine spicules or plates of ice, suspended in water. This represents the first stage of sea ice growth. The crystals are usually suspended in the top few cm of the surface layer, and give the water an oily appearance.
Industry:Earth science
A type of sea ice defined by the WMO as: Ice in the transition stage between nilas and first–year ice, 10–30 cm in thickness. This may be subdivided into grey ice and grey–white ice.
Industry:Earth science
A type of sea ice defined by the WMO as: Old ice up to 3 m or more thick which has survived at least two summers’ melt. Hummocks (hillocks of broken ice that have been forced up by pressure) even smoother than in secondyear ice, and the ice is almost salt-free. Colour, where bare, is usually blue. Melt pattern consists of large interconnecting irregular puddles and a well-developed drainage system. This is more common in the Arctic than the Antarctic, being confined mostly to the western Weddell Sea and isolated embayments in the latter.
Industry:Earth science
A type of sea ice defined by the WMO as: Predominantly circular pieces of ice from 30 cm to 3 m in diameter, and up to 10 cm in thickness (unrafted), with raised rims due to the pieces striking against one another. It may be formed on a slight swell from grease ice, shuga or slush or as the result of the breaking of ice rind, nilas or, under severe conditions of swell or waves, of grey ice.
Industry:Earth science
A type of sea ice defined by the WMO as: Sea ice of not more than one winter’s growth, developing from young ice; thickness (typically) 30 cm to 2 m. May be subdivided into thin first–year ice/white ice, medium first–year ice and thick first–year ice. The thin first–year ice is 30–70 cm thick, the medium 70–120 cm thick, and the thick over 120 cm thick. It may be thicker than 200 cm when it takes the form of ridges.
Industry:Earth science
A type of sea ice defined by the WMO as: Snow which is saturated and mixed with water on land or ice surfaces, or as a viscous floating mass in water after heavy snowfall.
Industry:Earth science
A type of sea ice defined by the WMO as: Term used in a wide sense to include any area of sea ice, other than fast ice, no matter what form it takes or how it is disposed. Pack ice is described as very open (ice concentration of 0.1 to 0.3), open (0.4 to 0.6 with many leads and polynyas, with the floes generally not in contact), close (0.7 to 0.8, composed of floes mostly in contact), very close (0.9 to less than 1.0), and compact (1.0, with no water visible, and called consolidated pack ice if the floes are frozen together).
Industry:Earth science
A type of sea ice defined by the WMO as: Young ice 10–15 cm thick. Less elastic than nilas and breaks on swell. Usually rafts under pressure.
Industry:Earth science
