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Tag: antarctica
Why Antarctica isn't facing global warming threats
2016-05-31 07:36:00| Climate Ark Climate Change & Global Warming Newsfeed
Business Standard: Guess why Antarctica is not melting down even after such drastic human-driven climate change. New research finds that ocean currents explain why the seawater has stayed at roughly the same temperature in Antarctic Ocean, while most of the rest of the planet has warmed. The study resolves a scientific conundrum, and an inconsistent pattern of warming often seized on by climate deniers. Observations and climate models show that the unique currents around Antarctica continually pull deep, centuries-old...
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Antarctica may not be as isolated as we thought, and that's a worry
2016-05-27 15:07:53| Climate Ark Climate Change & Global Warming Newsfeed
Conservation: For a long time, we have thought of Antarctica as isolated from the rest of the world. The continent is entirely surrounded by the Southern Ocean, which heaves with giant waves whipped up by intense winds, and is home to the worlds strongest ocean current, the eastward-flowing Antarctic circumpolar current (ACC). The Southern Ocean is associated with several circumpolar oceanic fronts (see image below), where sharp transitions in ocean temperature and salinity occur. One of the most significant...
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The melting of Greenland and Antarctica is changing the Earth's rotation
2016-04-09 01:23:00| Climate Ark Climate Change & Global Warming Newsfeed
Wahingtonpost: The melting of Greenland and Antarctica is changing the Earth's rotation Even as the Earth spins on its axis in a west to east direction, that axis itself is also moving This means that the physical North and South poles are actually shifting every 24 hours Researchers observed this using NASA's GRACE satellites, which measure gravitational change An iceberg floats in the sea near Qeqertarsuaq, Disko Island, Greenland, on July 21, 2011. Global warming is shifting the way the Earth wobbles...
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Antarctica in the year 2500
2016-04-07 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Los Angeles Times: The predictions only get worse. In 2007, a United Nations panel of scientists studying the rise of sea level related to climate change predicted that, if nothing was done to reduce greenhouse gas emissions, seas could rise by about 2 feet by 2100. By 2013, the panel had increased its forecast to more than 3 feet, which would put major cities at risk of flooding and storm surge. Yet all along, the panel emphasized what it did not know. It expressed particular uncertainty about what could happen...
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Uh oh: Antarctica might melt much faster than we thought
2016-04-02 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Slate: Sea level rise--perhaps the most consequential effect of climate change--just got a whole lot more urgent. If you live near the coast, this is your wakeup call. In a study released Wednesday, a new estimate of how much Antarctic ice would melt in a warmer world nearly doubles previous projections of sea level rise by the end of the century. And it might be even worse than that: The study did not explore the true worst-case scenario, and its lead author said the work is still incomplete. Taken...
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