Global Warming

GLO-BULL WARMING: RECORD OF 20 MILLION SQUARE KILOMETERS OF MORE SEA ICE SINCE 1979…….

 

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Antarctic sea ice hits record levels as it reaches 20 MILLION square kilometers for time time since records began in 1979

The single-day maximum extent this year was reached on Sept. 20, according to NSIDC data, when the sea ice covered 7.78 million square miles (20.14 million square kilometers).

  • Now covers more of the southern oceans than it has since scientists began records in 1979
  • Single-day maximum extent this year was reached on Sept. 20 when the sea ice covered 7.78 million square miles

Sea ice surrounding Antarctica has reached a new record high.

Nasa says it now covers more of the southern oceans than it has since scientists began a long-term satellite record to map sea ice extent in the late 1970s.

They say that even though Antarctic sea ice has been increasing, ‘the planet as a whole is doing what was expected in terms of warming.’

The single-day maximum extent this year was reached on Sept. 20, according to NSIDC data, when the sea ice covered 7.78 million square miles (20.14 million square kilometers).

CHANGING POLES

Since the late 1970s, the Arctic has lost an average of 20,800 square miles (53,900 square kilometers) of ice a year; the Antarctic has gained an average of 7,300 square miles (18,900 sq km).

On Sept. 19 this year, for the first time ever since 1979, Antarctic sea ice extent exceeded 7.72 million square miles (20 million square kilometers), according to the National Snow and Ice Data Center.

The single-day maximum extent this year was reached on Sept. 20, according to NSIDC data, when the sea ice covered 7.78 million square miles (20.14 million square kilometers).

The upward trend in the Antarctic, however, is only about a third of the magnitude of the rapid loss of sea ice in the Arctic Ocean.

The new Antarctic sea ice record reflects the diversity and complexity of Earth’s environments, said NASA researchers.

Claire Parkinson, a senior scientist at NASA’s Goddard Space Flight Center, has referred to changes in sea ice coverage as a microcosm of global climate change.

Just as the temperatures in some regions of the planet are colder than average, even in our warming world, Antarctic sea ice has been increasing and bucking the overall trend of ice loss.

‘The planet as a whole is doing what was expected in terms of warming.

‘Sea ice as a whole is decreasing as expected, but just like with global warming, not every location with sea ice will have a downward trend in ice extent,’ Parkinson said.

Since the late 1970s, the Arctic has lost an average of 20,800 square miles (53,900 square kilometers) of ice a year; the Antarctic has gained an average of 7,300 square miles (18,900 sq km).

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