Tag

Ancient Soil

All articles tagged with #ancient soil

climate-change3 years ago•6 min saved

"Unearthing Greenland's Ancient Soil: A Dire Warning for the Future"

Scientists have determined that Greenland was mostly ice-free about 416,000 years ago, with ice-free conditions lasting for as much as 14,000 years. This period, known as MIS 11, provides important insights into the Earth's past climate and offers warnings for the future. The study, based on frozen soil extracted during the Cold War from beneath the Greenland ice sheet, reveals that the ice sheet must have significantly shrunk during that time, causing global sea levels to rise by at least 5 feet. With current carbon dioxide levels in the atmosphere 1.5 times higher than during MIS 11, the findings highlight the urgent need to reduce carbon emissions and mitigate the effects of climate change to prevent a largely ice-free future for Greenland and the associated consequences of rising sea levels.

via IFLScience|

#ancient-soil #climate-change #global-warming

environment3 years ago•7 min saved

"Unveiling Greenland's Ancient Soil: A Dire Warning for the Future"

Ancient soil samples extracted from beneath a mile-thick section of the Greenland ice sheet have revealed that about 400,000 years ago, large parts of Greenland were ice-free, with scrubby tundra and forests of spruce trees. This period, known as MIS 11, lasted for as much as 14,000 years and offers important insights into the Earth's natural warming and its potential implications for the future. The study warns that unless carbon dioxide levels in the atmosphere are dramatically reduced, Greenland could face a largely ice-free future, leading to rising sea levels and the inundation of coastal areas.

via Phys.org|

#ancient-soil #climate-change #environment

climate-change3 years ago•3 min saved

Unearthing Greenland's Ancient Soil: A Warning for Future Sea Level Rise

Ancient soil found in a freezer in Greenland has revealed that the island was ice-free around 416,000 years ago during a period of natural warming, leading to significant global sea level rise. This challenges the long-held belief that Greenland has always been covered in ice and highlights its vulnerability to human-induced climate change. The discovery, made possible by recent dating techniques, provides valuable insights into the past and suggests that coastal regions worldwide are at risk of submersion in the coming centuries. The study emphasizes the urgent need to address climate change and its potential consequences.

via ScienceAlert|

#ancient-soil #climate-change #greenland

climate-change3 years ago•6 min saved

Greenland's Ancient Ice-Free Past Raises Concerns for Future Melting

Ancient soil samples extracted from beneath the Greenland ice sheet reveal that a tundra ecosystem once thrived in the region around 416,000 years ago, during a period with similar temperatures to the present day. The findings suggest that Greenland lost a significant amount of ice under climate conditions resembling the current human-induced warming. If greenhouse gas emissions continue unchecked, coastlines could be submerged under several feet of sea level rise. The study highlights the vulnerability of Greenland's ice sheet and emphasizes the urgent need to reduce emissions to prevent irreversible damage to the planet and its population. The samples were obtained from a Cold War military facility, Camp Century, which inadvertently preserved the sediments.

via The Washington Post|

#ancient-soil #climate-change #greenland