Sentences with phrase «ice zone»

The results indicate that concurrent atmospheric circulation trends contribute to forcing winter and summer sea ice concentration trends in many parts of the marginal ice zone during both periods.
A part of the seasonal ice zone that varies in width from 100 to 200 kilometers (62 to 124 miles) that extends from the ice edge into the ice pack.
Both are within the sea ice zone of what was an average year during 1981 - 2010.
An area of ocean that extends from the permanent ice zone to the boundary where winter ice extent is at a maximum.
In addition, the use of a 15 % threshold captures greater detail within the marginal ice zone.
The consequences may have been felt far beyond the sea ice zone.
4 Lipids and fatty acids in ice algae and phytoplankton from the Marginal Ice Zone in the Barents Sea.
It confirmed that the mean albedo, or surface reflectivity, of the Arctic ice zone in late summer declined over an almost three - decade period, between 1982 and 2009.
This grew out of our Office of Naval Research - funded Seasonal Ice Zone Reconnaissance Surveys done by Coast Guard Station Kodiak in their C130 aircraft.
Office of Naval Research Marginal Ice Zone Program Automatic Weather Stations, Ice Mass Balance Buoys and Ice - tethered Profilers
These investigations involve new and potentially transformative theoretical and numerical work to develop, implement, and validate a new coupled ice — ocean Marginal Ice Zone Modeling and Assimilation System (MIZMAS) that will enhance the representation of the unique MIZ processes by incorporating a FSD and corresponding model improvements.
Arctic - average sea ice loss this spring was contributed primarily by regional loss in the seasonal ice zones of the Bering and Barents Seas due to active meteorological seasons (Figure 5).
The rate of decline in albedo in the sea ice zone during August was approximately 3 % per decade.
During summer months, the albedo in the Arctic sea ice zone regulates the radiation balance in the region, which is why albedo is crucial to the Arctic climate.
The average sea ice zone albedo for August was approximately 15 percent smaller in 2009 than it was in 1982, Aku Riihelä, a remote sensing scientist at Finnish Meteorological Institute and lead author of the study, said in an email.
In addition the mean sea - ice thickness in multiyear ice zone along northwest Greenland has increased by 0.38 m.
Much of the Bearded Seal's habitat encompasses seasonal ice zones where first - year sea ice is renewed every winter but melts completely every summer.
As the BRT correctly cautioned, «loss of summer sea ice in the Arctic can not be extrapolated to the seasonal ice zones which are behaving differently than the Arctic.
Slow variations in upper ocean heat content that have been observed in the subpolar and marginal ice zone regions of the Atlantic since the mid-twentieth century are thought to be related to changes in the strength of the Atlantic Meridional Overturning Circulation (AMOC).
Tedstone's idea could explain why during the warm summers of 2010, 2012, and 2016 the surface of the dark ice zone darkened dramatically, whereas in the cooler summer of 2015, the color changed little.
He investigates the properties of polar ice - ocean systems by developing large - scale sea ice and ocean models such as the Pan-arctic Ice - Ocean Modeling and Assimilation System (PIOMAS), the Global Ice - Ocean Modeling and Assimilation System (GIOMAS), and the Marginal Ice Zone Modeling and Assimilation System (MIZMAS).
Recruitment is related to the winter sea ice cover from the previous year, as diminished sea ice cover reduces habitat available for over-wintering juvenile and adult krill and reduces the size of the food - rich marginal sea ice zone in summer.
The Arctic ice zone was controversial; as a result, it is one of 14 areas surrounded by brackets on the list, indicating disagreement among the delegates to the advisory body.
The mighty Southern Ocean Circumpolar Current prevents warmer ocean water from reaching the Antarctic sea ice zone, helping to isolate the continent.
«Southern Ocean: Reconstructing environmental conditions over the past 30,000 years: Sea - ice zone has a major influence on the ecosystem.»
On another level, the gradual melting of the earth's ice zones, which have been a fixture of human civilization for thousands of years, is a disturbing phenomenon.
However, the new findings show that in the last glacial period in the seasonal sea - ice zone, which was twice as large as it is today, the water was well mixed to a depth of a few hundred metres.
«We can demonstrate that during the last glacial period, the water column in the area of the seasonal sea - ice zone was more mixed in autumn and winter than previously thought,» says Dr Andrea Abelmann, from the Alfred Wegener Institute.
«Our findings show that changes in the ecosystem in the area of the seasonal sea - ice zone in the Southern Ocean contributed to CO2 storage,» says Abelman, summing up the geologists» and modellers» findings.
Ice - covered sea areas in the Arctic Ocean during summer have nearly halved since the 1970s and 1980s, raising alarm that the ocean is shifting from a multiyear to a seasonal ice zone.
In the end, seven criteria — including vulnerability and biological productivity — guided scientists to target specific areas, like the «Shrimp and sardine route from Tabou to Assinie» off the Ivory Coast, and more general ones, like «The Marginal Ice Zone and the Seasonal Ice - Cover Over the Deep Arctic Ocean.»
First, Schmidt needed a method to distinguish algae growing under the ice from those that thrive in open seas and in the transitional areas in between — a seasonal landscape of frozen floes and melting ice known as the marginal ice zone (MIZ).
While krill flourish and whales feast in the Antarctic's marginal ice zone, the rapidly consumed algae remain invisible to satellites — but no longer to science.
For her thesis, Maria studied minke whale occurrence in relation to sea ice habitat structure throughout the Antarctic sea - ice zone.
After wrapping up the ice zone we called it a day and high - fived to great success.
The forecast shows near - normal ice concentrations in the marginal ice zone and below normal ice concentrations in the polar pack, however the skill of the model north of ~ 80N isn't greater than chance.
In situ measurements of an energetic wave event in the Arctic marginal ice zone.
Mapping and assessing variability in the Antarctic marginal ice zone, pack ice and coastal polynyas in two sea ice algorithms with implications on breeding success of snow petrels.
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