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A newNASAimage establish on planet data shows thatthe extent of Arctic ocean glass , as of September 2012 , has hit a young record minimum , compared with the medium minimum extent for the preceding 30 years .
The novel lower limit , set on Sept. 16 , is almost 300,000 square mi ( 777,000 square klick ) less than the previous record lower limit set in September 2007 ( 1.61 million square miles or 4.17 million square km ) .
A new NASA image based on satellite data shows that the extent of Arctic sea ice in September 2012 has hit a new record minimum, compared with the average minimum extent for the past 30 years.
By comparing , the state of Texas measures around 268,600 square miles ( 696,000 straight km ) .
The minimum coverage of Arctic ocean ice has been decrease over the preceding 30 age as sea and air temperature have increased . The 2012 minimum is about half the size of the average extent of meth coverage from the full point of 1979 to 2000 .
