Warming Of The Arctic

Science Daily has published The Arctic is warmingHere are some of the findings:
much more rapidly than previously known, at nearlyIn the past 50 years, winter temperatures in Alaska,
twice the rate as the rest of the globe, andWestern Canada and Eastern Russia have registered
increasing greenhouse gases from human activitiesan increase of as much as 3 to 4 degrees Celsius.
are projected to make it warmer still, according toAnd in the next century, temperatures are projected
the findings of a 300-strong team of internationalto increase by
scientists.4 7 degrees Celsius or 7 13 degrees Fahrenheit.
At the rate global warming is going, the Arctic isAs mentioned earlier, summer sea ice in the Arctic is
predicted to lose half of its summer ice as theseen to drop by 50% at the turn of the century.
century closes when temperature is projected to riseThere is even a prediction of its almost complete
by another 4 to 7 degrees Celsius by year 2100. Thisdisappearance which can kill ice living seals. This will
melting is to include a sizeable section of theprove too much for the indigenous peoples of the
Greenland Ice Sheet. Major global impacts will beregion. who depend on these animals for food.
continued rise in sea-level and intensifying globalGlobal warming increases melting of the Greenland
warming, as per the final report of the ACIA or theIce Sheet, increasing the rates at which sea levels
Arctic Climate Impact Assessment. The exercise wasrise. In the long run, Greenland will hold enough melted
ordered by the Arctic Council, an executive bodyice that sea level could rise to as much as 7 meters
composed of the 8 eArctic nations, 6 indigenous POsor 23 feet. The coastal towns around the Arctic now
or Peoples Organizations, and the IASC or theface the risk of erosion and flooding because of this.
International Arctic Science Committee. The latter is aThe possibility of the extinction of some species of
worldwide organization appointed by 18 nationalseals and polar bears is very evident.
science institutes.Health and food security of the natives are also
The assessment's report was first broadcast in detailareas that can be affected. This poses a challenge on
at a symposium in Reykjavik, Iceland in November 9the other tribe's culture.
to 12, 2004. ACIA's data were based on an averageThe Assessment has reported that many of the
estimate of emissions of CO2 and other gases thatprojected physical, ecological, social and economic
aggravate the greenhouse effect in the years tochanges have already commenced. A major goal of
come. The report also integrates results from 5the ACIA is to determine variability of ultra violet
major climate simulations done by theradiation and its impact on society.
Intergovernmental Panel on Climate Change or IPCC.For the study, the University of Alaska, Fairbanks,
As Robert Corell, ACIA Chair mused, people in thehosted the ACIA Secretariat at was hosted at the
Arctic are feelng the impacts of global warming asInternational Arctic Research Center at the University
the Arctic is now seeing the fastest and extremelyof Alaska Fairbanks. Funding for the Secretariat was
serious climate change. These are predicted toprovided by the U.S. National Science Foundation and
increase even more as the years roll by.the National Oceanic and Atmospheric Administration.