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Arctic ice is melting fast record

Updated on April 6, 2016

Arctic ice volume was down to record lows in the past two consecutive years, threatening global climate warmer.

According to data newly by scientists at the Centre of the Us National snow and ice data (NSIDC) and NASA announced, the amount of ice in the Arctic was down low in the winter record this year. This is also a record low level for two consecutive years.

Serial record record
According to ScienceDaily, each year, the sea ice in the Arctic Ocean and adjacent waters usually have a batch of melt during the spring, summer, then formed back in the fall and winter months.Melting level usually reaches its maximum at the time between February and April.

On August 24/3, an area of Arctic ice reached record 14.52 million km2, record low ice extent recorded in winter through satellites since 1979. This tape is also lower than the level of 0.2% compared to the record set earlier in the year is 14, 54km2. Even, this is the 13th lowest ice levels are recorded via satellite throughout the last 13 years.

The period from 1981-2010, an area of Arctic ice has decreased by 7% compared with the average period is 15, 64km2.

Climate change, sea ice shrinking
Notably, this phenomenon only occurred not long after scientists announced, the period from December to February 2015/2016 owns record high temperature levels. The warming of the atmosphere may be the leading cause led to a decline in Arctic ice area.

According to scientist Walt Meier, part of NASA's Goddard Space Center in Greenbelt, Maryland, said the air temperature up to-12 degrees Celsius, on average every year the amount of sea ice has made increasingly thin.

The tropical wind activity in the Arctic during January and February are also not sufficient to form the ice cubes. By reason, they brought warm air flow from the South to and prevent the expansion of the ice. However, this was Meier stressed is the major cause leading to the present situation, it is the warm up of the sea.

"There is the possibility that we will continue to witness the winter sea ice area is increasingly lower in the future, by the temperature of the atmosphere are warm up, and the ocean is also warm up accordingly. Ocean warming halting sea ice extended to the South, "Meier said.

"Although the maximum capacity can achieve change on winter weather conditions. However we are seeing the trend decrease of the ice cubes in a significant way. It is related to the phenomenon of increased heat in the atmosphere and the oceans, "Meier to add.

Known since 1979, the trend of rising heat in the atmosphere and oceans have "wiped out" more than 1.6 million km2 of sea ice in the winter. This area can be converted to double major in Texas, Usa.

Materials can be prevented?
Record low ice extent in winter does not mean will make ice levels continue to be lower in the summer. Summer weather conditions have a greater impact both to the scale of sea ice, and it is often the end result after the melt cycle each year. If the temperature is warm and has a summer storm, the volume of the ice will melt faster and vice versa.

Arctic sea ice plays important role to regulate the temperature of Earth's surface. White ice surface will reflect light and Solar energy resources more efficiently. If the amount of ice that is increasingly lost, the sea will is the machine to "shoulder" the task of the air-conditioning and the global climate.However, the effect of sea ice are promoted only the most powerful at the time of summer when the Sun is shining even more.

Meanwhile in the winter, the impact of the phenomenon of decline of ice blocks in the North Pole express most clearly in a warm atmosphere.

According to climate scientist Jennifer Francis University. Rutgers in New Brunswick, New Jersey, said: "in the place of the lost sea ice surface, the waters that will be the place where the transmission of heat into the atmosphere, by the atmosphere colder than the sea ice-free waters. When the winter sea ice disappears, the areas of atmospheric temperature abnormal warming in the Arctic will expand. This is also the area increase the amount of evaporation, cloud formation, and make the Earth's surface to warm up ".

For the scientist Ted Scambos, NSIDC's head in the State of Colorado, the phenomenon of sea ice decline is a "crisis". This phenomenon increases each year, and it's hard to predict the impact immeasurable to global climate. Not to mention, these measures prevent the issue of people still only on paper.


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