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Author Topic: Global Warming is WITH US  (Read 27902 times)

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AGelbert

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    • Agelbert Truth AND Consequences
Re: Global Warming is WITH US
« Reply #1185 on: December 18, 2017, 08:59:49 pm »

Let it go - the arctic will never be frozen again
Last week, at a New Orleans conference center that once doubled as a storm shelter for thousands during Hurricane Katrina, a group of polar scientists made a startling declaration: The Arctic as we once knew it is no more.

The region is now definitively trending toward an ice-free state, the scientists said, with wide-ranging ramifications for ecosystems, national security, and the stability of the global climate system. It was a fitting venue for an eye-opening reminder that, on its current path, civilization is engaged in an existential g a m b l e with the planet’s life-support system.

In an accompanying annual report on the Arctic’s health — titled “Arctic shows no sign of returning to reliably frozen region of recent past decades” — the National Oceanic and Atmospheric Administration, which oversees all official U.S. research in the region, coined a term: “New Arctic.”

Until roughly a decade or so ago, the region was holding up relatively well, despite warming at roughly twice the rate of the planet as a whole. But in recent years, it’s undergone an abrupt change, which now defines it. The Arctic is our glimpse of an Earth in flux, transforming into something that’s radically different from today.

At a press conference announcing the new assessment, acting NOAA Administrator Timothy Gallaudet emphasizes the “huge impact” these changes were having on everything from tourism to fisheries to worldwide weather patterns.

“What happens in the Arctic doesn’t stay in the Arctic — it affects the rest of the planet,” Gallaudet said.

 Zack Labe‏Verified account @ZLabe

Monthly #Arctic temperature ranks (1=warmest , 39=coldest ) over the satellite era - including November 2017

Available a http://sites.uci.edu/zlabe/arctic-temperatures/




 8:04 AM - 4 Dec 2017

In an interview with NPR, marine scientist Jeremy Mathis, director of NOAA’s Arctic Program, went a step further. When it comes to the Arctic, Mathis said “there is no normal” anymore: “The environment is changing so quickly in such a short amount of time that we can’t quite get a handle on what this new state is going to look like.”

Using 1,500 years of natural records compiled from lake sediments, ice cores, and tree rings as context, the NOAA report says the Arctic is changing at a rate far beyond what’s occurred in the region for millennia.

“The rate of change is unprecedented in at least the last 1,500 years and probably going back even further than that,” Mathis said. “Not only are we seeing big changes, we’re seeing the pace of that change begin to increase.”

In the NOAA report, Arctic scientists lay out their best ideas of what this shift could mean for the world. Their depictions are sobering.

Take, for instance, the hypothesis of University of Alaska-Fairbanks permafrost scientist Vladimir Romanovsky: So far, 2017 has seen the highest permafrost temperatures in Alaska on record. If that warming continues at the current rate, widespread thawing could begin in as few as 10 years. The impact of such defrosting “will be very very severe,” Romanovsky says, and could include destruction of local infrastructure — like roads and buildings — throughout the Northern Hemisphere and the release of additional greenhouse gases that have been locked for generations in the ice.

The loss of sea ice is already having profound changes all the way down at the base of the Arctic food web. As more sunlight hits darkly-colored open water, more heat energy is retained, and temperatures are rising further. That’s kicking off what Mathis, of NOAA’s Arctic Program characterizes as “an almost runaway effect,” involving a lengthening of the growing season, a greening of the tundra, a surge in wildfires, and a boom in plankton growth. All that adds up to a wide-ranging disruption to patterns that Arctic natives have relied on for millennia.

The effects are being felt further afield, too. “We’re fairly confident now,” Mathis said, that the warming Arctic is “creating conditions where more extreme weather events are beginning to show up in North America.” For example, separate research published earlier this month found a robust link between dwindling Arctic sea ice and an expanding risk of California drought.

The report’s urgent language begs the question: What concrete actions will a science-denying White House take as a result of this new information?

Acting NOAA Administrator Gallaudet said he personally presented the report at the White House last month, adding that Trump administration officials are “addressing it and acknowledging it and factoring it into their agenda.”

That the Arctic is now a relic of a time gone by — the first major part of the planet on a countdown clock — should shock us. It’s one of those facts that those of us who closely follow climate change knew was coming. And with its arrival, it is devastating in its totality.

The loss of the Old Arctic is as close as humanity has come so far to irreversibly transforming its planet into something fundamentally different than what has given rise to civilization over the past 10,000 years. This is a terrifying transition, and one worth mourning. But it’s also a reminder that our path as individuals and as a society is not fixed.


If the Arctic can change this quickly, then so must we.

http://grist.org/article/let-it-go-the-arctic-will-never-be-frozen-again


How come it melted and froze again so many times before?  ???   


RE

Because the amount of Carbon Dioxide in the atmosphere would vary up and down (from volcanic activity or the lack of it), although the rates of increase and decrease and back were MUCH slower than the breakneck, planet ruining speed at which HOMO SAPS are stuffing the atmosphere with CO2.

The 6th Mass Extinction Event is here * Geologic History shows why CO2 caused Global Warming before
Marc Haneburght


Published on Jun 1, 2017

Runaway Climate Change is causing exponential major flooding (happening now) due to more heavy rainfall on Earth, and are taking too much nutrients by rivers into the oceans, creating anoxia events. A deadly purple sulfur bacteria. Too much is never a good thing. It's what made oil deposits happen in the past.

In the past the dinosaurs roamed the planet during the start of an extinction event, now it will be us. The next clever beings might learn in time what we did wrong, maybe not.

The planet might turn into Mars because of nobody being at the controls of nuclear power plants that will destroy the ozone with massive amounts of radiation.

Oceanic anoxic events or anoxic events (anoxia conditions) refer to intervals in the Earth's past where portions of oceans become depleted in oxygen (O2) at depths over a large geographic area. During some of these events, euxinia, waters that contained H2S hydrogen sulfide, developed. Although anoxic events have not happened for millions of years, the geological record shows that they happened many times in the past.

Anoxic events coincided with several mass extinctions and may have contributed to them. These mass extinctions include some that geobiologists use as time markers in biostratigraphic dating. Many geologists believe oceanic anoxic events are strongly linked to slowing of ocean circulation, climatic warming, and elevated levels of greenhouse gases.

Global warming. The biggest story ever. Too big for the general public.  >:(

Agelbert NOTE: MUST SEE video! To skip ancient history, begin at the 32 minute mark.

This video is tremendously educational and instructive because it demonstrates exactly how our scientists accurately determined CO2 levels in the distant past, as long ago as 200 million years, when today's oil deposits are believed to have been formed.

How did they do it? ??? They found 200 million year old fossils of a plant called a Ginko, that did NOT "evolve" AT ALL  ;D, all the way to the present (leaf structure is identical to modern Ginko leaves).

Permian Ginko leaf fossil on left  - Modern Ginko Leaf on right

The Ginko has pores in the underside of the leaves. The number of pores it forms is a function, as has been determined by empirical evidence, of the available atmospheric CO2. IOW, the more  CO2, the more pores.

The fossilized Ginkos leaf pore totals, exactly as the leaf pore totals of modern Ginko test plants grown in increasingly higher CO2 containing atmospheres, evidence 4 times the CO2 level of pre-industrial human civilization. THAT was an ice free world.

HOWEVER, that was NOT a "tropical paradise", as the fossil fuel fascist propagandist crooks and liars want you to believe.

Once the ice is GONE, some death dealing chemical processes begin until just about every macroscopic oxygen breathing life form is dead. It begins with the death of most of the species populating the Marine Trophic Pyramid. HOW? ???

When the ice is gone, the ocean currents that circulate oxygen throughout the oceanic depths in a 500 year cycle come to a HALT. This makes more and more parts of the ocean anoxic, so all the oxygen breathers die or flee closer to the still oxygenated shallows.

Meanwhile, the high CO2 levels acidify the oceans, killing off the Oxygen producing phytoplankton (can't make their Calcium Carbonate structure - like mollusks also can't - despite having more CO2 "food" available) that had become widespread with the early initial increase of CO2 levels (see massive algae blooms going on as we speak).

The dead Phytoplankton begin to sink through the shallows, triggering bacterial feeding frenzy activity of a type of purple bacteria that decomposes phytoplankton, hates oxygen, but needs sunlight (it uses the sun but excretes H2S - Hydrogen sulfide poisonous gas, not  oxygen).

So THEN the shallows become anoxic too. Then what is left of the oxygen breathers die. This not "just evolution", as the idiots who compare our fossil fuel based civilization's stupid and suicidal greedy activity to massive volcanic eruptions, as if  humans have as little free will as a volcano, ridiculously claim. But the imbeciles who wish to perpetuate the fossil fuel burning status quo frequently resort to this craven attempt to avoid responsibility for the harm being done.

Allowing the CO2 to get so high that it triggers the death of most marine life is Genocidal Criminal Negligence.



What just happened in the death of the Great Barrier reef is just the beginning of the heating process resulting from too much CO2. There is still a lot of ice. There is still oceanic circulation and oxygenation.

But ALREADY, JUST THE HEAT is killing the most important marine life nurseries in the oceans.


SO WHAT, you might ask. The dinosaurs were around for millions of years. Don't we have lots of time too?   

WHY? ???

Because the RATE we are putting CO2 in the atmosphere is THOUSANDS of TIMES FASTER than when the massive volcanic eruptions caused CO2 triggered extinctions!

When the  ice is gone and that rotten egg  smell from ubiquitous  Hydrogen sulfide poisonous gas reaches your nostrils, expect a VERY brief growth industry in canned oxygen.  But don't expect the Fossil Fuel Fascist "industry"   to admit they destroyed the biosphere for short term profit.

Coming soon to your home: DOOM WEEK ON PLANET EARTH


The Fossil Fuelers   DID THE Climate Trashing, human health depleting CRIME,   but since they have ALWAYS BEEN liars and conscience free crooks, they are trying to AVOID   DOING THE TIME or     PAYING THE FINE!     Don't let them get away with it! Pass it on!   
Leges         Sine    Moribus     Vanae   
Faith,
if it has not works, is dead, being alone.

 

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