Sentences with phrase «sea ice conditions»

In the next sections, we will argue that sea ice conditions in the late 1970s were relatively severe.
There are often discrepancies between information from these centers and our data because they employ additional data sources to capture as much detail on sea ice conditions as possible.
Scientists have monitored sea ice conditions for about 50 years with the help of satellites.
It is also ground zero for climate impacts with changing sea ice conditions, melting permafrost, later winters, and early melting sea ice in summer.
However, forecasts are not so accurate when sea ice conditions are unusually higher or lower compared to this trend.
Follow current sea ice conditions with monthly updates and analysis.
When scientists compare average sea ice conditions between years, they often use a 30 - year reference period of 1981 to 2010.
This is because they are designed to resist typical forces of induced by pack ice, but they are not designed to resist the extreme sea ice conditions.
However, for ice charting, tactical navigation and management of off - shore activities much more important is to know and avoid hazardous sea ice conditions.
However, severe sea ice conditions still exist and in consequence many locations are impossible for ship based operations.
There is virtually no chance of returning to previous 1990s sea ice conditions.
However, scientists have used historical records of sea ice conditions to estimate sea ice extent before 1979.
September 2009 sea ice extent was driven by preexisting sea ice conditions at the end of spring, as well as variable wind patterns over the course of summer.
The 2009 Outlook results point out the importance of a more thorough exploration of approaches that can help establish a probabilistic range of September sea ice conditions.
In the Northwest Passage, 2010 experienced record low sea ice conditions within the Western Parry Channel / Northern Route of the Northwest Passage, surpassing all previous low years (Figure 3).
This together with the reduced sea ice conditions along the west coast of the AP (another climate change effect), is undoubtedly increasing the ship traffic in the area — and with it the likelihood of iceberg collisions.
BSC - ES, EC (Earth2.3), 5.55 (Std dev = 0.43), Modeling We produced this September 2015 forecast of Arctic sea ice conditions using a dynamical climate model (EC - Earth 2.3) initialized on May 1st, 2015.
«With the widespread changes seen in Antarctic sea ice conditions over the last few years, this process could be affecting other glaciers around Antarctica and the volume of ice they discharge into the ocean,» he added.
A NASA satellite image from January 2012 shows heavy sea ice conditions in Bristol Bay and the Bering Sea, off the western coast of Alaska.
I'll be filing something soon on an international betting pool of sorts projecting sea ice conditions in September.
Here, in a genetic approach to assessing past sea ice conditions, we use phylogeographical analyses of an ice - sensitive subantarctic macroalga to infer the extent of winter sea ice (WSI) during the LGM.
Information about future summer arctic sea ice conditions based on 2008 data is inconclusive.
The Sea Ice Index relies on NASA - developed methods to estimate sea ice conditions using passive - microwave data from the Defense Meteorological Satellite Program (DMSP) the Special Sensor Microwave Imager / Sounder (SSMIS).
A new NASA - led study has discovered an intriguing link between sea ice conditions and the melting rate of Totten Glacier, the glacier in East Antarctica that discharges the most ice into the ocean.
Aug. 9, 8:00 p.m. Updated Here's an update on Arctic ice trends, starting with a fast - motion video portrait of sea ice conditions near the North Pole, provided by one of two automated cameras deployed there in April (keeping in mind that the camera is on ice that's drifted hundreds of miles since then):
On the first point, a really remarkably new study, published online in Geographical Reviews last month, builds a robust estimate of sea ice conditions across the Arctic month by month from January 1850, the tail end of the «little ice age,» through 2013 by consolidating vast amounts of ice data from ship captains, military flights, coastal settlements and other sources.
Nevertheless, taking advantage of mild sea ice conditions, the 68,000 - ton Crystal Serenity set sail from Anchorage, Alaska on August 16 for its 32 - day journey through the Northwest Passage via Amundsen's route.
The ice coverage at mid-summer (July 12) provides a snapshot of what sea ice conditions are like for polar bears before the summer melt season gets into full swing, so this historical perspective is quite revealing.
Automatic remote sensing products traditionally provide general information on sea ice conditions such as ice extent and concentration.
The Outlooks are produced with information on weather and sea ice conditions provided by the National Weather Service - Alaska Region and Alaska Native sea ice experts.
This emphasizes the fact that the primary problem faced by Southern Beaufort sea polar bears is not scarce summer ice but by thick sea ice conditions in the spring.
Dartmouth University professor Donald Perovich, author of the chapter on sea ice, said sea ice conditions have sunk from a B - plus grade 11 years ago to a D - minus grade «and that's because I'm an easy grader.»
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