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EARTH ON A FRYING PAN - HOTTEST IN 11000 YEARS |
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by Neha Swaminathan | 11-03-2013 01:57
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A new study published in the journal "Science", 3 days ago, has revealed that the Earth is on track to becoming the hottest it has been over the past 11,000 years. Scientists collected fossil samples and other data from 73 sites across the world and reconstructed the history of the planet's temperature from the end of the last Ice Age to the present. This period of 11000 years is known as the Holocene and includes all of recorded human civilization.
The process of estimating Earth's ancient climate is known as paleoclimatology. Measurements were taken from marine fossils, pollen records from lakes and ice cores from Greenland.
Global mean temperature varied within a range of one degree Celsius during the Holocene. It was mainly caused by a slow shift in Earth's orbit, which changed the amount of sunlight falling on different parts of the globe. The first half of the Holocene period was warm. Then there was a cooling trend that lasted approximately 5,000 years. About 200 years ago, temperatures began to rise steadily.
Hold your breath, they have said that the past 10 years have been hotter than 80 per cent of the past 11,300 years. The research shows that a one-degree temperature variation that took 11,300 years to occur since the end of the last major ice age has been repeated in the last 150 years from the start of the Industrial Revolution. If the scientists' forecasts are correct, the planet will be warmer in 2100 than it has been for 11,300 years.
"What's different is the rate of change," said Shaun Marcott, a paleoclimatologist at Oregon State and lead author of the paper. "What we've seen over the past 150 years is much greater than anything we saw in the past 11,000 years."
The study says all the climate models evaluated by the United Nations Intergovernmental Panel on Climate Change (IPCC) predict that irrespective of the greenhouse gas emission scenario, the Earth will be hotter in the coming decades than at any time since the end of the Ice Age.
Studies have concluded that human activities, not natural causes, have been responsible for the warming experienced. |
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22 Comments
Thank you for sharing.
Posted 28-08-2013 19:23
Nice report
Posted 30-03-2013 01:24
Thanks Firas, Pratap and Meika
Posted 14-03-2013 01:39
Thanks Christy, You are kind hearted indeed
Posted 14-03-2013 01:38
I feel the same. The Sun seems to burn us everyday...Very hot..
Posted 13-03-2013 16:36
very good report...thank you for sharing..
Posted 13-03-2013 11:06
@Neha Kids studying in OM Foundation School. I took the picture when I visited India last year. The girls are really lovely!
Posted 13-03-2013 10:06
thanks for the report .
Posted 13-03-2013 02:00
Thank you Amba and thanks for nil8635 (who is this hidden friend?)
Posted 13-03-2013 01:09
Thank you Unmesh for your motivating comment
Posted 13-03-2013 01:08
Thank you Christie, who is the person with you in the photos?
Posted 13-03-2013 01:07
Thank you Januka
Posted 13-03-2013 01:06
thanks for the report.
Posted 12-03-2013 23:10
good job
Posted 12-03-2013 20:36
Nice drawing Neha...thx for sharing the report...
Posted 12-03-2013 20:04
It is a very well known story. But we don't think it through.
It's a nice work of you to remind us this important matter, Neha :)
Posted 12-03-2013 09:45
neha it's really nice article for the information thanks for sharing
Posted 11-03-2013 17:08
Thank you Laxmi and Anjana
Posted 11-03-2013 12:43
Thank you Eco generation
Posted 11-03-2013 12:42
thanks for information.............
Posted 11-03-2013 11:04
thanks for the nice report...........
Posted 11-03-2013 10:52
Thanks for the good report. :)
Posted 11-03-2013 08:30