Greenland, Antarctica See Major Ice Losses
Researchers said satellite records stretching to the 1970s show the two ice sheets have driven about 3/4 of recent sea-level rise.
- Between 1992 and 2020, Greenland and Antarctica lost a combined eleven trillion tons of ice. This satellite study provides the most complete account of ice loss to date.
- Human-Caused climate change drives the melting of Earth's two great ice sheets. The pace of ice loss has increased by a factor of four since the 1990s, according to the findings.
- Greenland accounted for sixty percent of the total loss, while Antarctica contributed forty percent. This melting is now a major driver of global sea-level rise, accounting for twenty-five percent of the total increase.
- Rising global sea levels put populations at risk of annual coastal flooding. With every additional centimeter of sea-level rise, about 2 to three million people are placed at risk of yearly coastal inundation.
- Researchers extended the satellite data record back to the 1970s to provide the most complete account of ice loss. This satellite study confirms that significant melting trends began in the 1990s.
16 Articles
16 Articles
The Times of Northwest Indiana
Greenland, Antarctica see major ice losses
New research based on satellite data going back to the 1970s has documented major polar ice losses in Greenland and Antarctica — home to Earth's two great ice sheets — that have contributed to rising global sea levels.
Greenland and Antarctica see major ice losses
New research based on satellite data going back to the 1970s has documented major polar ice losses in Greenland and Antarctica — home to Earth's two great ice sheets — that have contributed to rising global sea levels.
Greenland and Antarctica have lost 12.5 trillion tons of ice since 1979, raising ocean levels by 3.2 centimeters.
In Almost Half a Century, the Earth Lost About 12.5 Trillion Tons of Ice in Greenland and Antarctica
According to a scientific report published on Wednesday in Scientific Data, about 12.5 trillion tons of ice from the glaciers of Greenland and Antarctica has been melted since 1979, according to Associated Press.
The most extensive satellite record produced so far reveals that Greenland and Antarctica have lost 11.3 billion tons of ice. Most of it is not explained by surface melting, but by glaciers that discharge ice into the ocean.The detachment of large blocks of ice into the ocean is one of the ways in which Greenland and Antarctica lose mass and contribute to sea level rise.For decades, the loss of polar ice has been mainly associated with rising te…
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