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Climate Change


— Science

Royal Navy subs provide insights for Arctic science

By - March 1, 2015 1 Picture
The National Oceanography Centre in the UK has used data on the Arctic Ocean gathered by Royal Navy submarines to study the effects of a possible future shrinking of the ice cap. This meeting of oceanography and military intelligence has seen declassified data from the 1990s analyzed to gain insights into how diminished ice cover affects turbulence in arctic waters. Read More
— Space

CryoSat and Sentinel-1A detect rapid ice loss in remote Arctic ice cap

By - January 26, 2015 2 Pictures
Both the ESA’s Sentinel-1A and CryoSat satellites have detected a significant degree of ice loss in the Austfonna ice cap, located on Norway’s Nordaustlandet island in the Svalbard archipelago. Parts of the ice cap have thinned by as much as 50 m (164 ft) since 2012 – around a sixth of its total thickness, and the speed of the outer glacier has increased to 3.8 km (2.4 miles) per year. Read More
— Environment

NASA takes climate change study to the air

By - January 8, 2015 1 Picture
With the goal of shedding more light on a number of Earth system processes whose effect on our climate is incompletely understood, NASA will this year launch five new airborne field campaigns. These studies will look at long-range air pollution, warming ocean waters, melting Greenland glaciers, greenhouse gas sources, fires in Africa and clouds over the Atlantic, with the captured data to complement satellite- and surface-based observations to help provide a better understanding of the interconnected systems that affect our climate and how it is changing. Read More
— Environment

New study finds parallels between past and present climate change

By - December 17, 2014 4 Pictures
There's an element of déjà vu in the most recent political news on climate change: UN-led talks, like the recent Lima summit, that end with disgruntled environmentalists and plans for yet another summit. At this point, our best hope is to mitigate the effects of global warming (which is occurring faster than previously thought) and, if possible, keep temperature rises to a maximum of 2° C (3.6° F). While the future of the planet looks uncertain with unpredictable climate patterns, U.S researchers looking to the past to gain a better understanding of modern climate change have found the rate of modern, human-caused global warming resembles that which occurred almost 56 million years ago much more closely than previously thought. Read More
— Science

Study finds early warning signals of global ocean conveyor belt collapse

By - December 9, 2014 1 Picture
We could see early warning signs of the collapse of a key component of the global climate up to 250 years in advance, a new study has shown – ample time to either prevent or prepare for the consequences of abrupt climate change. The University of Exeter study analyzed the Atlantic Meridional Overturning Circulation (AMOC), sometimes referred to as the global ocean conveyor belt, in a highly-complex and realistic simulation model, and identified the likely mechanisms that would drive such a collapse. Read More
— Science

Latest supercomputers run truer simulations of extreme weather

By - November 12, 2014 1 Picture
High-resolution simulations of the global climate can now perform much closer to actual observations, and they perform far better at reproducing extreme weather events, a new Berkeley Lab study has found. Lead author Michael Wehner heralds this news as evidence of a golden age in climate modeling, as not only did the simulation closer match reality but it also took a fraction as long to complete as it would have in recent history – just three months compared to several years. Read More
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