On the Bering Sea ice edge front

1985 ◽  
Vol 90 (C2) ◽  
pp. 3185 ◽  
Author(s):  
Robin D. Muench ◽  
James D. Schumacher
Keyword(s):  
Sea Ice ◽  
Bering Sea ◽  
Ice Edge ◽  
Sea Ice Edge ◽  
The Bering Sea

Habitat use and habitat selection by spotted seals (Phoca largha) in the Bering Sea

2000 ◽  
Vol 78 (11) ◽  
pp. 1959-1971 ◽  
Author(s):  
L F Lowry ◽  
V N Burkanov ◽  
K J Frost ◽  
M A Simpkins ◽  
R Davis ◽  
...  
Keyword(s):  
Habitat Selection ◽  
Habitat Use ◽  
Sea Ice ◽  
Shallow Water ◽  
Bering Sea ◽  
Phoca Largha ◽  
Near Shore ◽  
Ice Edge ◽  
Sea Ice Edge ◽  
The Bering Sea

Twelve spotted seals (Phoca largha) equipped with satellite-linked tags were tracked in the Bering Sea for 46-272 days during August-June 1991-1994. Alaskan seals were mostly near shore during August-October and 100-200 km offshore in January-June, and were broadly distributed in the region north of the 200-m isobath. Russian seals were located primarily near shore and within 100 km of the 200-m isobath during all months. During August-October, all seals were usually more than 200 km south of the sea-ice edge. In January-June, seals were mostly 0-200 km north of the sea-ice edge, often in areas with extensive ice coverage (7/10-9/10). We tested for habitat selection by determining how frequently a randomly moving seal would have been located in each habitat and comparing that with observed habitat use. Russian seals selected for nearshore and shallow-water areas in September-October and for near shore, within 25 km of the 200-m isobath, and the ice front during November-April. Alaskan seals selected for near shore areas in September-December; for offshore, shallow water, and the ice front in January-February; and for shallow water and pack ice in March-April. Biological processes associated with the highly productive "Green Belt" may have influenced the habitat use of Russian seals, but this did not appear to have been the case with Alaskan seals.

A Heat Balance for the Bering Sea Ice Edge

1985 ◽  
Vol 15 (12) ◽  
pp. 1747-1758 ◽  
Author(s):  
Peter J. Hendricks ◽  
Robin D. Muench ◽  
Gilbert R. Stegen
Keyword(s):  
Sea Ice ◽  
Bering Sea ◽  
Heat Balance ◽  
Ice Edge ◽  
Sea Ice Edge ◽  
The Bering Sea

scholarly journals Sea Ice Response to Atmospheric and Oceanic Forcing in the Bering Sea

2010 ◽  
Vol 40 (8) ◽  
pp. 1729-1747 ◽  
Author(s):  
Jinlun Zhang ◽  
Rebecca Woodgate ◽  
Richard Moritz
Keyword(s):  
Sea Ice ◽  
Interannual Variability ◽  
Bering Sea ◽  
Regime Shifts ◽  
Spatiotemporal Variability ◽  
Climate Indices ◽  
Ice Growth ◽  
Oceanic Forcing ◽  
Ice Edge ◽  
The Bering Sea

Abstract A coupled sea ice–ocean model is developed to quantify the sea ice response to changes in atmospheric and oceanic forcing in the Bering Sea over the period 1970–2008. The model captures much of the observed spatiotemporal variability of sea ice and sea surface temperature (SST) and the basic features of the upper-ocean circulation in the Bering Sea. Model results suggest that tides affect the spatial redistribution of ice mass by up to 0.1 m or 15% in the central-eastern Bering Sea by modifying ice motion and deformation and ocean flows. The considerable interannual variability in the pattern and strength of winter northeasterly winds leads to southwestward ice mass advection during January–May, ranging from 0.9 × 1012 m3 in 1996 to 1.8 × 1012 m3 in 1976 and averaging 1.4 × 1012 m3, which is almost twice the January–May mean total ice volume in the Bering Sea. The large-scale southward ice mass advection is constrained by warm surface waters in the south that melt 1.5 × 1012 m3 of ice in mainly the ice-edge areas during January–May, with substantial interannual variability ranging from 0.94 × 1012 m3 in 1996 to 2.0 × 1012 m3 in 1976. Ice mass advection processes also enhance thermodynamic ice growth in the northern Bering Sea by increasing areas of open water and thin ice. Ice growth during January–May is 0.90 × 1012 m3 in 1996 and 2.1 × 1012 m3 in 1976, averaging 1.3 × 1012 m3 over 1970–2008. Thus, the substantial interannual variability of the Bering Sea ice cover is dominated by changes in the wind-driven ice mass advection and the ocean thermal front at the ice edge. The observed ecological regime shifts in the Bering Sea occurred with significant changes in sea ice, surface air temperature, and SST, which in turn are correlated with the Pacific decadal oscillation over 1970–2008 but not with other climate indices: Arctic Oscillation, North Pacific index, and El Niño–Southern Oscillation. This indicates that the PDO index may most effectively explain the regime shifts in the Bering Sea.

scholarly journals Oceanography of the eastern Bering Sea ice-edge zone in spring1

1981 ◽  
Vol 26 (6) ◽  
pp. 1111-1125 ◽  
Author(s):  
V. Alexander ◽  
H. J. Niebauer
Keyword(s):  
Sea Ice ◽  
Bering Sea ◽  
Edge Zone ◽  
Eastern Bering Sea ◽  
Ice Edge ◽  
Sea Ice Edge
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