Interesting/promising measurements at CERN

Mar 23, 2021 Last reply: 5 years ago 185 Replies
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"Concentrations of CO2 in the atmosphere were as high as 4,000 parts per million (ppm, on a molar basis) during the Cambrian period about 500 million years ago..."

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"Although diverse life forms prospered in the oceans, the land is thought to have been comparatively barren — with nothing more complex than a microbial soil crust[13] and a few molluscs that emerged to browse on the microbial biofilm.[14] Most of the continents were probably dry and rocky due to a lack of vegetation."

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"Currently about half of the carbon dioxide released from the burning of fossil fuels is not absorbed by vegetation and the oceans and remains in the atmosphere.[92]

Excess CO2 emitted since the pre-industrial era is projected to remain in the atmosphere for centuries to millennia,[93] even after emissions stop.

Even if human carbon dioxide emissions were to completely cease, atmospheric temperatures are not expected to decrease significantly for thousands of years.[94]"

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Burning fossil fuels is a bad idea. Ignoring scientific evidence is an even worse idea.

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March 19, 2021 CBS News

Climate change returns to EPA's website

By Li Cohen

Climate change once again has a dedicated page on the Environmental Protection Agency's website. The agency relaunched the page on Thursday after the Trump administration removed the page, and all other references to global warming and climate change, when he went into office four years ago.

"Climate facts are back on the EPA's website where they should be," EPA Administrator Michael Regan said in a statement. "Considering the urgency of this crisis, it's critical that Americans have access to information and resources so that we can all play a role in protecting our environment, our health, and vulnerable communities.

Trustworthy, science-based information is at the foundation of strong, achievable solutions."

The EPA announces climate science is back on its website after being removed during the previous administration.

- Ben Tracy (@benstracy) March 18, 2021

The relaunched site has two simple messages on an image carousel on the home page: The climate crisis is an EPA priority and public understanding of the implications of the crisis are essential to addressing it.

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Thre's certainly no shortage of science.

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The real climate crisis will be the next ice age.

None of which you seems to understand.

Which seems to be a long way off. Once the climate scientists started to get a decent grip on the way that the earth flips from an ice age to an interglacial it became obvious that it wasn't going to flip out of an interglacial if the atmospheric CO2 level was above about 400 ppm.

A bit more digging suggested that this interglacial would probably have been one of the longer ones, even if we hadn't started digging up fossil carbon and burning it as fuel.

We probably should lay off doing that now, so we've still got some left to burn the next time we need it.

The fossil carbon extraction industry - who pay for the climate change denial propaganda that gullible twits like you seem to fall for - wouldn't like that. They want to keep on getting their dividends right now.

Their antinuclear propaganda is a lot more efficient and likely has already had a much larger impact on being unable to stop the rise of CO2 concentration, the first derivative is the really worrying part. I don't know if we can get that one to 0 or negative if we stop burning stuff altogether; but having some petrol supply left intact is a good idea.

Dimiter

From your link:

"While rising carbon dioxide concentrations in the air can be beneficial for plants, it is also the chief culprit of climate change. The gas, which traps heat in Earth’s atmosphere, has been increasing since the industrial age due to the burning of oil, gas, coal and wood for energy and is continuing to reach concentrations not seen in at least 500,000 years. The impacts of climate change include global warming, rising sea levels, melting glaciers and sea ice as well as more severe weather events.

The beneficial impacts of carbon dioxide on plants may also be limited, said co-author Dr. Philippe Ciais, associate director of the Laboratory of Climate and Environmental Sciences, Gif-suv-Yvette, France. “Studies have shown that plants acclimatize, or adjust, to rising carbon dioxide concentration and the fertilization effect diminishes over time.”

From your link:

"Studies led by Trevor Keenan from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) show that, from 2002 to 2014, plants appear to have gone into overdrive, starting to pull more carbon dioxide out of the air than they have done before. The result was that the rate at which carbon dioxide accumulates in the atmosphere did not increase during this time period, although previously, it had grown considerably in concert with growing greenhouse gas emissions. Keenan concluded “Unfortunately, this increase is nowhere near enough to stop climate change.”[8]"

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Long-term warming trend continued in 2017: NASA, NOAA

Earth’s global surface temperatures in 2017 ranked as the second warmest since 1880, according to an analysis by NASA.

Continuing the planet's long-term warming trend, globally averaged temperatures in 2017 were 1.62 degrees Fahrenheit (0.90 degrees Celsius) warmer than the 1951 to 1980 mean, according to scientists at NASA’s Goddard Institute for Space Studies (GISS) in New York. That is second only to global temperatures in 2016.

In a separate, independent analysis, scientists at the National Oceanic and Atmospheric Administration (NOAA) concluded that 2017 was the third-warmest year in their record. The minor difference in rankings is due to the different methods used by the two agencies to analyze global temperatures, although over the long-term the agencies’ records remain in strong agreement. Both analyses show that the five warmest years on record all have taken place since 2010.

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There is no mention of oncoming ice age. Previous links I posted here suggest high temperatures will continue for thousands of years. This is not conducive for an ice age:

I know SSRL folks from back then. One of my study partners did his degree with Piero Pianetta over there. He's currently the beam time czar at Brookhaven, iirc.

But that has squat to do with litho (see above).

Cheers

Phil Hobbs

6000ppm by weight is close enough to 4000ppm molar to be probably the same data in different units. [...]

I have trouble believing that. CO2 is reactive! It's not going to hang around! Also, *if* CO2 would be stable enough to hang around for centuries, we wouldn't be seeing yearly periodic variations. The bandwidth wouldn't be there.

Jeroen Belleman

Not really, maybe it's slightly more reactive than water. It's not reactive like oxygen gas. It doesn't react with much in nature, it will react with some metals but they aren't natural.

Where's it going?

Huh? Are you saying that because we can measure it accurately it's not changing?

CO2 will readily dissolve in water. It's acidic and will form carbonates from oxides and hydroxides. Plants and algae use it for photosynthesis and animals use it to make shells.

No, if you look at the CO2 concentration from the Mauna Loa Observatory, for example, there are yearly variations of about 8 ppm superimposed on a trend of about +3ppm/year. If the concentration can drop by 8ppm in just 6 months, something must be consuming that CO2 at a fair rate! Yes, of course the rate of production is higher still.

The time constant for consumption of CO2 is clearly shorter than a century.

Jeroen Belleman

Northern hemisphere photosynthesis during the northern hemisphere summer. There's currently quite a lot more land surface north of the equator than there is south of it, and land plants soak up CO2 in summer.

The ice core data suggests that the time constant is about 800 years. When the planet flips between an ice age and interglacial you get a lag between CO2 levels and average temperature (which you can get from the deuterium content of the ice in the ice core) and it seems to be about 800 years.

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is less specific, so my 800 year figure may have been corrected since I ran into it.

It's weakly acidic, and will react with alkaline substances if there are any around, mostly there aren't, the oceans can't hold an infinite amount. dissolving it in water does not make it go away, it's a reversable reaction.

These are forced reactions not spontaneous, because it's mostly inert. This is why it's used in fire-extinguishers.

Are you claiming that the Mauna Loa Observatory is somehow instantaneously sampling the whole atmosphere?

Could it not just be that seasonal variations are caused by the seasons. The Mauna Loa Observatory is not sampling all points on the globe, just what the winds bring it.

Determined how?

Berlinsky suggests that the number of fundamental particles is limited only by the funding available to discover them.

What should we pursue, elegance or truth?

He would think that , and you'd be silly enough - and ignorant enough - to take him seriously.

There's an excellent reason for wanting your theory to be beautiful - it makes it easier to sell - but it is merely an incidental advantage.

That's where presentation skills come into it.

Both, obviously, but truth is a lot more important, as should be obvious even to John Larkin.

See T. Dorigo here

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1% chance of being true, is his guess. GH

Oh I know the data are shaky and may well turn out to be just a fluke at these stats. The spectra I have been looking at waiting for the peak of interest (mainly to see what resolution my MCA has achieved after this or that) are countless. If I could have a look at their spectrum (never checked if I could get it) I would know at a glance how convincing the result is. Nonetheless the article talked of something interesting so I posted it, time (and work on the collider...) will tell. At least they are just waiting for the stats, not like the guys who had "measured" neutrinos at speeds faster than light... before they discovered a dangling cable from the NIM bin or something.

Dimiter

So he's an expert on evolutionary biology *and* particle physics. Damn! How many Noble Prizes does this guy have in his attic, anyway?

-- john, KE5FX

Yes. But he mostly asks awkward questions.

It is possible that there are an unlimited number of fundamental particles, which is one of his points. Being a philosopher, he seldom makes a single point.

Damn!

Lots of books at least. Contrarians don't get Nobel prizes.

They do, but only after they have convinced other people.

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