Sentences with phrase «ice concentration»

The researchers found a «pronounced change» towards very low sea ice concentration in the two seas since 2004.

The researchers found a «pronounced change» towards very low sea ice concentration in the two seas since 2004.

Several algorithms exist to calculate the sea ice concentration from passive microwave data.

Raw model sea ice concentration data was processed using a simple linear regression model and satellite derived ice extent to produce bias corrected predictions.

Light blues and greens in ocean areas indicate areas of low ice concentration.

The forecast (Figure 2) shows below - normal ice concentrations throughout the whole region, suggesting an earlier - than - normal opening of the shipping season.

The ice age product is based on a 15 % sea ice concentration threshold to be consistent with the threshold used for mapping overall sea ice extent.

A note of caution: To avoid erroneous ice concentration along coasts (satellite signal mixed from land and ocean), near coastal - areas have to be excluded.

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.

The solid red lines correspond to the analysis ice concentrations (25 percent, 50 percent and 75 percent) used as input for the wave model.

Colors like yellow and lavender indicating higher concentrations come and go, but weak ice concentration areas indicated by green tend to stick around.

The graphs depict how much the sea ice concentration moved above or below the long - term average.

How do sea - ice concentrations from operational data compare with passive microwave estimates?

It is therefore important to consider both loss of sea ice concentration and sea ice thickness in evaluating the response of the atmosphere.

The model forecast of ice concentration anomalies suggests an opening date for the shipping route to Churchill close to the climatology mean date, ~ July 25th; advanced clearing in Hudson Strait (Figure 3) and near the Port of Churchill suggests an early opening may be possible.

Yuan et al. (LDEO Columbia University), 5.08 (+ / - 0.51), Statistical The prediction is made by statistical models, which are capable to predict Arctic sea ice concentrations at grid points 3 - month in advance with reasonable skills.

AMSR - E sea ice concentration on 30 August.

Pond formation and small floe sizes in dispersed ice (and coastal effects on the radiometer signal) contribute to substantial biases in the derived ice concentration data.

The statistical forecast submitted by Tivy for September ice concentration anomalies in the Beaufort - Chukchi Sea region has remained unchanged.

Predicted ice concentration map from July to September is available in our website.

Sea ice extent is defined by the area in which ice concentration exceeds 15 percent.

We are pleased to announce that the High Latitude Level 3 Global AMSR Sea Ice concentration product is operational since March 16th 2017.

A look at Arctic sea ice concentration over the last 100 years (through 2013) using the latest NSIDC gridded 1850 - reconstruction from Walsh et al. [2016].

The lower sea ice concentration observed north of the Beaufort Sea in the area and explored during CHINARE 2008 with Xuelong seems to have been preconditioned by a strong and persistent northward sea ice drift that lasted for several months from spring (April 2008), when ice stations were deployed north of the Canadian polar station Eureka, to well into the summer.

The regression - based statistical forecast for July ice concentration anomalies submitted by Tivy (Figure 4) for the June report remains unchanged.

We used the ice thickness in December, ice movement from December to April, and ice concentration during June 20 - 25.

All this cold water being released into the ocean has a significant impact on the formation of sea ice, resulting in higher rates of sea ice concentration around Antarctica.

The pan Arctic SIE calculated from predicted ice concentration in September 2015 is projected to be 5.08 million km2, lower than the observed extents in 2013 and 2014, but still above the historical low in 2012.

This reduction is also illustrated by the following satellite observations of the minimum ice concentration for 1979 (left) and 2003 (right).

Thus, during the optimal season for whelping, 99 % of their foraging habitat is covered by ice concentrations greater than 15 % and as high as 100 %.

Global sea ice concentration climate data record 1979 - 2015 (v2.0, 2017), [Online].

The white line represents the satellite observed September 2009 ice edge defined as the 15 % ice concentration contour while the black line is the model - predicted September 2010 ice edge.

The ensemble predictions are based on a synthesis of a model, NCEP / NCAR reanalysis data, and satellite ice concentration data.

False colour image of water ice concentration across Pluto.

1) Walsh and Chapman construct a sea ice concentration record based available data, which prior to 1978 is based on reports from shipping and aircraft.

Sea ice extent is defined as the surface area enclosed by the sea ice edge (where sea ice concentration falls below 15 %).

This page presents the AMSR - E sea ice concentrations calculated daily in near real time.

Compared to the long - term average, sea ice concentration north of Alaska and eastern Siberia was especially low in 2010.

Global sea ice concentration continuous reprocessing offline product (year), [Online].

In March, sea ice concentrations less than 15 % are found to the south of the light green line.