Articles tagged "arctic circle"

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An accelerating greening rate in the Arctic

Measurements show that temperatures have risen in the Arctic over the past three decades faster than anywhere else in the world. Plant communities in tundra and boreal ecosystems in the far north experienced major changes due the longer growing season. Satellite

March 14, 2013

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Scientists say shockwaves from melting icecaps are triggering earthquakes

High up inside the Arctic circle the melting of Greenland's ice sheet has accelerated so dramatically that it is triggering earthquakes.Scientists monitoring the glaciers have revealed that movements of gigantic pieces of ice are creating shockwaves that register up

May 27, 2012

John Dean Nome Aurora Seward Aurora Sept 17 2011 772_1316284667_med

Geomagnetic storm in progress

As predicted by analysts at the Goddard Space Weather Lab, a coronal mass ejection (CME) hit Earth's magnetic field at ~03:30 UT on Sept 17th. The impact sparked a moderate geomagnetic storm (in progress) and auroras around the Arctic Circle. High-latitude sky watch

September 17, 2011

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Incoming coronal mass ejection

As predicted by analysts at the Goddard Space Weather Lab, a coronal mass ejection (CME) hit Earth's magnetic field at ~03:30 UT on Sept 17th. The impact was not strong. Nevertheless, the arrival of the CME could spark geomagnetic activity around the Arctic Circle.

September 17, 2011

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A solar wind stream hit Earth's magnetic field

A solar wind stream hit Earth's magnetic field during the early hours of August 24th, sparking geomagnetic activity around the Arctic Circle. "Bright, fast-moving auroras lit up the sky just after midnight," reports Sean M. Scully, who sends this picture f

August 24, 2011