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Global Warming / Climate Changes Pt. 21

Re: Global Warming / Climate Changes Pt. 21

Unread postby Keith_McClary » Tue 02 Apr 2019, 22:40:34

Using a set of satellite images from the Google Earth Engine Timelapse dataset, Professor Lewkowicz and his co-author Robert Way recorded an astounding sixty-fold increase in the number retrogressive thaw slumps—landslides caused by the melting of the ice in the permafrost—on Banks Island over the past three decades. In 1984, there were about 60 active thaw slumps on the island. In 2013, there were more than 4,000

3 min. video with timelapse of slump (18 days in 13 seconds).
https://phys.org/news/2019-04-slippery- ... rctic.html
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Re: Global Warming / Climate Changes Pt. 21

Unread postby Newfie » Wed 03 Apr 2019, 06:48:45

Thanks, I did not know that was going on.
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Re: Global Warming / Climate Changes Pt. 21

Unread postby dohboi » Wed 03 Apr 2019, 20:49:49

Yeah, good catch, Keith!

Meanwhile, a sobering article at Cat6:

Global CO2 Emissions Hit an All-Time High in 2018; is a Hothouse Earth in our Future?

https://www.wunderground.com/cat6/Globa ... at6-widget
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Re: Global Warming / Climate Changes Pt. 21

Unread postby Cog » Thu 04 Apr 2019, 00:15:16

Or a prelude to another ice age. Its happened before.
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Re: Global Warming / Climate Changes Pt. 21

Unread postby dohboi » Mon 08 Apr 2019, 20:45:05


Earth’s Glaciers Melting Much Faster Than Previously Thought: Study
Glacier melt is accelerating due to global warming, and adding more water to already rising seas, the study found.


https://www.huffpost.com/entry/earth-gl ... 7a705be906
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Re: Global Warming / Climate Changes Pt. 21

Unread postby dissident » Tue 09 Apr 2019, 11:26:20

dohboi wrote:
Earth’s Glaciers Melting Much Faster Than Previously Thought: Study
Glacier melt is accelerating due to global warming, and adding more water to already rising seas, the study found.


https://www.huffpost.com/entry/earth-gl ... 7a705be906


Oh my, yet another non-surprise surprise. We already saw this with the Greenland ice sheet. As of the year 2000, understanding of ice sheet dynamics was sadly lacking. It seems that 19 years later, "unexpected" findings are rolling in.

It seems that there is some resistance to the idea that ice sheets are meta-stable systems that exhibit self-organized criticality. Instead the old and brain-dead ice cube analogy is still afflicting the minds of researchers and lay people. An ice sheet resembles an ice cube only at the smallest scale. On larger scales it is basically a slurry with a low creep rate. And all those cracks that permeate its volume are a great conduit for water which does not freeze before reaching the base. Thanks to increasing pressure with depth the water is actually prevented from freezing. And the tight contact of the fracture interfaces results in capillary action so that water still penetrates to the base even though the pressure increases.

Being a self-organized critical system, ice sheets can exhibit nonlinear responses to heating. Instead of ablating over centuries, they experience surges in flow and catastrophic ice loss.

Be prepared for a crescendo of surprises in the future.
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Re: Global Warming / Climate Changes Pt. 21

Unread postby dohboi » Tue 16 Apr 2019, 09:12:07

How Trump’s border crisis is driven by climate change

For months, President Trump has tweeted and raged about the ongoing migration crisis along the U.S. southern border.

What Trump has spent far less time discussing are the driving forces of this current wave of migration — at least not the one whose very existence the president still disputes. But it’s become increasingly clear that climate change has played a significant part in deepening the extreme poverty and insecurity that compels many to head north. According to the World Bank, climate change could lead to at least 1.4 million people leaving their homes in Mexico and Central America over the next three decades.

A recent lengthy exposé by the New Yorker’s Jonathan Blitzer focused on the expanding “dry corridor” — a region in Central America marred by drought that stretches from Panama to the southern reaches of Mexico. Conditions are particularly acute in the highlands that link central Honduras to western Guatemala, where millions of subsistence farmers have seen their livelihoods ravaged not just by lack of rain, but also its excess — floods, landslides and hurricanes. Their plight has been compounded by woeful agricultural infrastructure and national governments that have few resources to help them.


http://www.washingtonpost.com/world/201 ... 18a34655ce
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Re: Global Warming / Climate Changes Pt. 21

Unread postby dohboi » Thu 18 Apr 2019, 10:21:49

For a laugh:

"You better get down on your hands and knees and kiss Jimmy Carter's rosy-red Georgia-peach-picking ass and beg me to run your fucking country again"

"But who comes to me, huh? Fucking nobody. Why ask old Jimmy anything? What the fuck could he know about peace in the Middle East? It's not like he fucking won the Nobel Peace Prize for that shit. "

"Cocksuckers."

"Oh, what's that I hear? The weather's all screwy? You got a global warming problem? Boo-fucking-hoo! I was telling you morons to turn off your lights and unplug all your shit at night to conserve energy in 19-fuckin'-75, for chrissake. "

"You had your chance with Jimmy Carter, and you fucking blew it. "

https://politics.theonion.com/i-got-wha ... 1819584452
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Re: Global Warming / Climate Changes Pt. 21

Unread postby Newfie » Thu 18 Apr 2019, 15:03:47

LOL! About right. As I recall I was the other guy to vote for his second term.
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Re: Global Warming / Climate Changes Pt. 21

Unread postby Newfie » Sat 20 Apr 2019, 18:51:29

Here’s an interesting bit of good news.

Swiss billionaire gives away 1 billion to protect ecosystem.

https://www.livekindly.co/83-year-old-s ... bwkX4PQx64
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Re: Global Warming / Climate Changes Pt. 21

Unread postby dohboi » Mon 22 Apr 2019, 20:20:11

Climate change exacerbates inequality:

the impact of warming on annual economic growth, which over the course of decades has accumulated robust and substantial declines in economic output in hotter, poorer countries—and increases in many cooler, wealthier countries

...per capita gross domestic product (GDP) has been reduced 17–31% at the poorest four deciles of the population-weighted country-level per capita GDP distribution, yielding a ratio between the top and bottom deciles that is 25% larger than in a world without global warming. As a result, although between-country inequality has decreased over the past half century, there is ∼90% likelihood that global warming has slowed that decrease


https://www.pnas.org/content/early/2019 ... 1816020116
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