Month: March 2019

Methane production and emissions in trees and forests

Lots and lots of implications for climate models and GHG budgets. From New Phytologist Kristofer R. Covey J. Patrick Megonigal First published: 06 December 2018   https://ift.tt/2uzQmcZ Summary Forest ecosystem methane (CH4) research has focused on soils, but trees are also important sources and sinks in forest CH4 budgets. Living and dead trees transport and emit…

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March 26, 2019 at 10:03PM

AOC’s Green New Deal goes down in flames, taunted with cartoons on Senate floor

This is hilarious! 57-0 unanimous rejection! By Molly Prince Mike Lee Uses Velociraptors, Tauntauns And Aquaman To Dismantle The Green New Deal Republican Utah Sen. Mike Lee delivered a speech on the Senate floor arguing against the Green New Deal. Lee displayed a picture of President Ronald Reagan firing a machine gun while riding on…

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March 26, 2019 at 07:05PM

Claim: Climate Denial is “Malign and Evil”

Guest essay by Eric Worrall According to “The Elders” Chair Mary Robinson, anyone who disagrees with her views on climate change is evil. Climate change denial is evil, says Mary Robinson Damian Carrington, Environment editorTue 26 Mar 2019 17.30 AEDT Exclusive: chair of Elders group also says fossil fuel firms have lost their social licence The…

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March 26, 2019 at 04:07PM

Most important glacier in northern hemisphere growing rapidly, NASA study shows

Greenland’s Jakobshavn glacier began advancing rapidly (almost 26 feet (7.93 m) per day!) in 2016. (Includes video)

Airborne altimetry and satellite imagery show that the glacier is advancing about 1.8 miles and thickening nearly 130 feet annually, according to a study published  in Nature Geoscience.

Location of Jakobshavn Glacier

The study’s authors link these changes to concurrent cooling of ocean waters in Disko Bay, where Jakobshavn hits the ocean. Temperatures in the upper levels of those waters have dropped to levels not seen in years, and now stand 3.6 degrees cooler than in the mid 1980s.

“That was kind of a surprise,” said Geological Survey of Denmark and Greenland ice and climate scientist Jason Box, who was not part of the study.

Jakobshavn is “arguably the most important Greenland glacier because it discharges the most ice in the northern hemisphere,” said Box. “For all of Greenland, it is king.”

You’d think this would be wonderful news, but the authors try to downplay the glacier’s advance by saying it is likely a temporary phenomenon caused by “a natural cyclical cooling of North Atlantic waters.”

They maintain that the advance coincides with a flip of the North Atlantic Oscillation — a natural and temporary cooling and warming of parts of the ocean that is like a distant cousin to El Nino in the Pacific, but that in the long run, man-made climate change will prevail.

Funny, isn’t it, how glacial retreat is a catastrophe caused by humans, but glacial advance is caused by “natural cyclical cooling”?

https://www.nbcnews.com/mach/science/key-greenland-glacier-growing-again-after-shrinking-years-nasa-study-ncna987116

https://www.nature.com/articles/s41561-019-0329-3

Thanks to James Stoffaire and Benjamin Napier for these links

The post Most important glacier in northern hemisphere growing rapidly, NASA study shows appeared first on Ice Age Now.

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March 26, 2019 at 03:27PM