Sentences with phrase «ice edge»
The phrase "ice edge" refers to the boundary where solid ice meets open water, usually in oceans or large bodies of water. It marks the transition from areas covered in ice to areas that are free of ice. Full definition
Ensemble decadal prediction simulations using the Community Earth System Model (CESM) can skillfully predict past decadal rates of Atlantic winter sea ice change because they do well at predicting THC - driven ocean heat content change in the vicinity of the winter sea ice edge in the Labrador, Greenland, Irminger, and Barents Seas.
usclivar.org
-- The sea ice edge positions in the North Atlantic, between 1850 and 1978, derived from various sources, including newspapers, ship observations, aircraft observations, diaries and more.
The predicted ice thickness fields and ice edge locations for July, August, and October 2016 are also presented.
The maps above show a spatial view of the sea ice concentrations for the whole of the Arctic, with the average ice edge for the particular month indicated by a pink line.
The 40 % concentration ice edge shown in Figure 1 has retreated to the edge of the band of the multi-year ice in the Beaufort and Chukchi Seas.
Preliminary reports from leg 3 are rotten ice, extensive towards ice edge at Franz Josef Land, and melt ponds freezing over.
In contrast, the updated ensemble forecast from a coupled ice - ocean model submitted by Zhang (Figure 3) still shows the September ice edge further north than in 2009.
The average ice edge is shown in black.
The first movie (1) shows the seasonal and interannual variability of model simulated sea ice thickness and satellite observed ice edge from 1979 to 2003.
Improving Arctic sea ice edge forecasts by assimilating high horizontal resolution sea ice concentration data into the US Navy's ice forecast systems.
The pink line denotes the climatological ice edge for March for the period 1981 - 2010.
A significant northward trend (reduction of ice) in the winter - maximum ice edge is apparent, however, and appears to be caused by the gradual warming of sea - surface temperatures in the region (paper available on this if you want it).
Consequently trawlers need accurate ice edge maps updated every day.
Compared to the position of the May ice edge (see June report), there has been substantial retreat in the Barents Sea, particularly in the northwest where the difference from previous years (including 2009) is now the greatest.
Prediction is based on evaluation of ice age that shows current ice extent has retreated back to the multiyear ice edge in the eastern Arctic and in the Beaufort and Chukchi seas.
Thus, as commented on by one of the mariners taking a sailboat through the NWP, at the regional scale ice located outside the proper ice edge (which may be defined by the 10 or 15 % ice concentration contour) may still present a formidable obstacle to progress with a small vessel.
The SIZRS 150W line is also shown in context (map), with monthly ice edges, salinity from PHC3.0 climatology, and a dashed circle indicating the typical position of Beaufort Gyre circulation.
• Study daily / seasonal sea ice edge movement and Arctic / Antarctic ice pack changes.
Average distance from land and pack ice edge for live polar bears swimming in open water in 2004 (n = 10) were 8.3 ± 3.0 and 177.4 ± 5.1 km, respectively.
The Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE - NH) products provide measurements of daily sea ice extent and sea ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell sizes.
«That particular cyclone, which lasted several days and raised temperatures in the region close to the melting point, hindered sea ice growth while its associated strong winds pushed the sea ice edge back, leading to a record low spring sea ice pack in 2016,» Petty and Boisvert explained.
-- Sea ice edge positions for Newfoundland and the Canadian Maritime Region from observations, for 1870 to 1962.
The above figure shows monthly mean model simulated sea ice thickness (m) and satellite observed ice edge (white line) for 9/1979 and 9/2003.
We model sea ice variability, assess the quality of sea ice drift and ice edge forecasts, and identify how to make improvements.
The pink line denotes the climatological ice edge for January resp.
Cook's documents from 1778 and 1779 provide the earliest historical record of the summer sea - ice edge in the Chukchi Sea.
Sandy ocean sediment is associated with ice cover, and when you find it somewhere far from the ice edge, you know that at some point the ice reached that site.
Highlights included field trips to the ice edge and Bratina Island, an upside - down piece of seafloor now frozen in the ice sheet, where we collected samples from hypersaline ponds filled with all domains of life: archaea, bacteria, and eukaryota.
From these records, the researchers created a dataset of 191 sea ice edge positions, providing «an almost circumpolar picture of the Antarctic summer sea ice edge» for 1897 - 1917, the paper says.