Fire Histories May Be Written on Grains of Sand
Tiny bits of quartz record the intensity of fires from hundreds or even thousands of years ago, potentially offering new ways to study historic fires and how heat affects soil.
Source: eos.org
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UVM Scientists Unearth Bad News for Our Climate Future Beneath the Greenland Ice Sheet
Halley Mastro slid a petri dish of liquid speckled with floating debris under a microscope. After adjusting the focus, she let a journalist visiting her...
Source: sevendaysvt.com
Greenland Ice Sheet Melted Significantly in Recent Geologic Past, Study Warns
A large portion of Greenland was an ice-free tundra landscape — perhaps covered by trees and roaming wooly mammoths — in the recent geologic past (about 416,000 years ago), according to a new study in the journal Science.
Source: azocleantech.com
Greenland Was Much Greener 416,000 Years Ago
A fresh analysis of a historic ice core has revealed evidence of a much smaller ice cap.
Source: eos.org
Greenland melted recently, says study that raises future sea level threat
WASHINGTON — A mile-thick ice sheet in Greenland vanished around 416,000 years ago during a period of moderate natural warming, driving global sea rise to levels that would spell catastrophe for coastal regions today, a study recently said.The results overturn a long-held view that the world’s largest island was an impregnable fortress of ice over the past 2.5 million years,
Source: jordantimes.com