are the ice caps getting bigger?
122419
The general trend shows that a warming climate in the southern hemisphere would transport more moisture to Antarctica, causing the interior ice sheets to grow, while calving events along the coast will increase, causing these areas to shrink.
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My Times column on how the Arctic sea ice has melted in late summer before, between 10,000 and 6,000 years ago: ... By early September each year about two thirds of the ice cap has melted, then the sea begins to freeze again.
537547
Tuvalu islands have increased in size between 1971 and 2014, during a period of global warming. Over 4 decades, there had been a net increase in land area in Tuvalu of 73.5 ha (2.9%), although the changes are not uniform, with 74% increasing and 27% decreasing in size.
807570
Rapid loss already contributing to sea level rise. The polar ice sheets are indeed shrinking—and fast, according to a comprehensive new study on climate change.
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They're not all the same size. Some truck ones are huge.
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"They have to be on guard the same way that ships do that are crossing the north Atlantic. You had icebergs back in 1912, and you still have icebergs in 2012." The shrinking of the Arctic sea ice has also opened the door to increased commercial travel.
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Kiribati, the first country rising sea levels will swallow up as a result of climate change. Global warming is causing glaciers and ice sheets to melt. The average sea level has risen 3.2 mm/year since 1993. This is catastrophic for islands and coastal regions.
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There was! The national average is estimated to fall between 22 and 23 inches, but there is no current government data on adult head size. Science has other stuff going on, guys.
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More heat – much less ice. The atmosphere is warming as a result of increasing greenhouse gas emissions and the greenhouse effect. ... Particularly in the polar regions the rising air and water temperatures are causing fundamental changes that are occurring earlier and more noticeably in the Arctic than in the Antarctic.
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Ice caps and global water distribution As these charts and the data table show, the amount of water locked up in ice and snow is only about 1.7 percent of all water on Earth, but the majority of total freshwater on Earth, about 68.7 percent, is held in ice caps and glaciers.
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Changes at the poles have both local and global implications. The retreat of glaciers and shrinking of the Greenland ice sheet in the Arctic, for example, is predicted to cause significant sea-level rise, changes in the salinity of our oceans, and altered feedback loops that will make the Arctic warm up even faster.
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The IPCC AR5 report concluded that "it is very likely" that annual mean Antarctic sea ice extent increased 1.2 to 1.8% per decade, which is 0.13 to 0.20 million km2 per decade, during the period 1979 to 2012.
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An ice sheet is a mass of glacial ice more than 50,000 square kilometers (19,000 square miles). ... A mass of glacial ice covering less area than an ice sheet is called an ice cap. A series of connected ice caps is called an ice field.
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Ice enters the sheet through precipitation as snow. ... The general trend shows that a warming climate in the southern hemisphere would transport more moisture to Antarctica, causing the interior ice sheets to grow, while calving events along the coast will increase, causing these areas to shrink.
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Global warming isn't happening on Mars, so face up to it on Earth. That's the conclusion of an analysis of the Red Planet's melting polar ice cap, which shows that Swiss-cheese-like pits forming in the ice are part of a natural cycle, not unusual warming.
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The Global Volcanism Program does not see any evidence that volcanic activity is actually increasing. ... The apparent increase in activity reflects increases in populations living near volcanoes to observe eruptions and improvements in communication technologies to report those eruptions.
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Since 1960 atmospheric carbon-dioxide levels have increased from 313 ppm to 381 ppm (a 22 percent increase), according to measurements from Mauna Loa observatory, and research into Antarctic ice cores published last November indicated that carbon dioxide levels are presently 27 percent higher than at any point in the ...