Ice Ages Start and End So Suddenly "It's Like a Button Was Pressed," Say Scientists
Dec 30, 2008 14:37
Dutch researchers drilling into the glaciers of Greenland have discovered that climate change occurs more rapidly than previously believed - indeed, the most recent ice age ended abruptly in just one year.
The NordGrip drilling project in Greenland has extracted ice cores from the ancient ice sheets there which reveal that the world's most recent ice age ended precisely 11,711 years ago. An ice core is a long cylinder drilled out of the ice, made up of layers of snow and ice that have fallen in the region for millennia. By examining the amount of snowfall buried in those layers, researchers at the Niels Bohr Institute in Copenhagen have determined the exact year the ice age halted and gave way to our current climate.
According to ice core researcher Jørgen Peder Steffensen:
Our new, extremely detailed data from the examination of the ice cores shows that in the transition from the ice age to our current warm, interglacial period the climate shift is so sudden that it is as if a button was pressed.
This discovery suggests that our current climate could undergo a similar rapid change, shifting back into ice age mode in just one year.
Anthropologist John Hawks comments that the idea of extremely rapid climate change has gained a lot of currency in the past decade. But no, it does not mean that ice ages start Day After Tomorrow style, with climate changes chasing people down hallways.
Running your business can be overwhelming at times. You want to make sure your employees are present, that payment options are easy and seamless for clients, and you want your database marketing to be on point at all times. Is there a piece of equipment that can run your credit card processing while also helping you store your database marketing ideas? Yes, there is. The Clover pos systems by Merchant Account Solutions offer you a great way to run your company from the palm of your hand. Read more
Lots of people are focused on how we're going to escape our planet. They want to colonize another world because it's only a matter of time before earth becomes uninhabitable. Maybe they're getting too far ahead of themselves and they should be focusing their efforts on something else. Read more
Quite a lot of people started making a living off Youtube recently. As Youtube has started accommodating video-makers to a greater extent, it has become more commercial. From Vlogs to tutorials, you can find channels producing every kind of content for their fans. Read more