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Looking to the clouds (Read 211 times)
Jovial Monk
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Looking to the clouds
Aug 16th, 2022 at 4:53pm
 
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lee
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Re: Looking to the clouds
Reply #1 - Aug 16th, 2022 at 6:42pm
 
Yes well the models do need all the help they can get. Grin Grin Grin Grin Grin
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Frank
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Re: Looking to the clouds
Reply #2 - Sep 28th, 2022 at 1:10pm
 
As I sit in my study at the end of the day listening to the heavy rain and wondering when I should open a bottle of red fluid that contains 85.5 per cent water, my mind strayed to that weird molecule we all take for granted. Water.

As soon as liquid water was on the planet’s surface some 4 billion years ago, life appeared. I suspect the same happened on Mars. Water dissolves more substances and in greater quantity than any other liquid. This allows cells to function. Water’s high light transparency allows photosynthetic life to live in deeper water.

Except for ammonia, water has the highest heat capacity of all solids and liquids. This prevents extreme ranges in temperature on Earth and allows a heat transfer in the oceans from the equator to the poles thereby giving us zoned climates. Heat transfer from the oceans to the atmosphere drives climate. If water did not have atoms held together by hydrogen bonding, it would boil at -30 degrees C and ice would be denser than liquid water. If ice was denser than water, oceans would freeze from the bottom up during ice ages and there would be no warm water currents. This would produce ice oceans that would reflect radiation producing a permanent iceball.

If ice is at 0 degrees C, it needs a lot of heat to convert it to water at 0 degrees C. If your choice of drink is whiskey, which contains 60 per cent water, when ice blocks are added the whiskey cools down by giving up heat to melt the ice. It’s far better to drink quality whiskey with no ice and two drops of that weird molecule to draw out the flavour. Evaporation and precipitation of water provide an upper limit to air temperature. It is evaporation and precipitation that buffer temperature on Earth because both involve an exchange of heat. It is the properties of weird water that stop a runaway greenhouse or permanent freezing of the Earth because the atmosphere operates like an evaporative air conditioner.

Townsville and Mount Isa are almost at the same latitude, the air in both places has the same carbon dioxide content and yet The Isa is far colder in winter and far hotter in summer than Townsville. This is because the air in the humid tropics at Townsville contains up to 4 per cent dissolved water in contrast to the drier air of Mount Isa. Forget carbon dioxide, water vapour accounts for at least 80 per cent of the planet’s greenhouse warming. Water vapour is the third-most abundant gas in the atmosphere whereas carbon dioxide is a trace gas with unremarkable properties.

The Earth’s climate system attempts to attain equilibrium but it is never exactly at equilibrium. The Earth’s surface has two turbulent fluids, the oceans and the atmosphere, interacting with each other on a rotating planet that is unevenly heated by the Sun and adsorbs solar radiation unevenly. This uneven heating drives atmospheric and oceanic circulation with heat in ocean waters transported from the equator to the poles. The atmosphere interacts with the irregular land surface distorting the airflow and heat-carrying ocean currents are diverted by the topography of the sea floor and the irregular shape of land masses.

Water as solid, liquid and gas changes from one state to another and this affects the heat balance. Each state of water affects incoming and outgoing radiation differently on time scales from seconds to thousands of years. If water was not weird, there would be no heat held in the atmosphere and oceans and the air temperature would be a balmy -18 degrees C. If the water cycle did not have positive feedback involving water vapour, clouds and precipitation, then there would have been no dynamic equilibrium of the Earth’s climate for billions of years.

The atmospheric carbon dioxide content has varied from 0.02 per cent to over 20 per cent yet all six ice ages over billions of years commenced when the atmosphere contained far more carbon dioxide than at present. Carbon dioxide had nothing to do with past climate changes and there is no reason to think that because we are alive today, then the physics and chemistry of carbon dioxide has changed.

Climate activists ignore the past, the states of water, clouds and heat transfer and claim that a trace gas emitted by Western industrialised countries controls global climate and that humans can change climate and the amount of this trace gas with taxation.

The only weird thing about carbon dioxide is that it has an inverse solubility in water. Cold water dissolves more carbon dioxide than warm water. Polar ice drill cores show that when past polar air temperature increased, some 650 to 6,000 years later the atmospheric carbon dioxide content increased. This is in accord with a law of chemistry and opposite to the popular belief that an increase in atmospheric carbon dioxide drives in an increase in atmospheric temperature. An increase in atmospheric carbon dioxide does not lead to global warming. It is the inverse.

Pour a champagne or beer and watch the carbon dioxide bubbles continue to rise as the drink warms up. This is exactly what happens in the oceans.
https://www.spectator.com.au/2022/09/aussie-life-88/
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Estragon: I can’t go on like this.
Vladimir: That’s what you think.
 
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Jovial Monk
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Re: Looking to the clouds
Reply #3 - Sep 28th, 2022 at 1:23pm
 
The stratosphere, where radiation is emitted to space, is intensely cold and therefore dry—magical water vapor having magically condensed out.

CO2 and the other GHGs emit IR that reaches space. Hard to emit IR when the molecule to do the radiating is so intensely cold.

Here is the IR spectrum at top of atmosphere, note the gaps!

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AusGeoff
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Re: Looking to the clouds
Reply #4 - Sep 28th, 2022 at 1:28pm
 
Good link Frank.

Here's another one...

Ocean acidification.

In the 200-plus years since the industrial revolution began, the concentration
of carbon dioxide (CO2) in the atmosphere has increased due to
human actions. During this time, the pH of surface ocean waters has fallen
by 0.1 pH units. This might not sound like much, but the pH scale is logarithmic,
so this change represents approximately a 30 percent increase in acidity.

Because sustained efforts to monitor ocean acidification worldwide are only
beginning, it is currently impossible to predict exactly how ocean acidification
impacts will cascade throughout the marine food web and affect the overall
structure of marine ecosystems.

With the pace of ocean acidification accelerating, scientists, resource managers,
and policymakers recognize the urgent need to strengthen the science as a
basis for sound decision making and action.

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Jovial Monk
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Re: Looking to the clouds
Reply #5 - Sep 28th, 2022 at 1:40pm
 
Water, however, is indeed a magical fluid.

Two ions of hydrogen, protons almost, bound to an oxygen molecule that grabs the two electrons from the hydrogen ions most of the time.

Negative attracts positive, the hydrogen atoms in the water molecule are attracted to the negative of the oxygen molecule.

Ice takes up less space than water, yet before it becomes ice the water actually increases in volume, bursting water pipes in really cold areas.

In the period table the next element in column 6A is sulphur and there is a substance combining 1 atom of sulphur with two atoms of hydrogen. Apart from stinking really badly there is nothing striking about H2S. It exists only as a gas* and oxidises quickly.

Unlike H2O and CO2 H2s plays no role in climate or AGW.

There is a group of sulphur compounds that DO affect climate, the sulphites and sulphates. Emitted as SO2—which is terribly pungent—by industry and some volcanoes it oxidises to sulphate, SO3 or dissolved sulphurous acid, H2SO3 oxidises to sulphuric acid, H2SO4.

What do these sulphites/sulphates do?

They counteract AGW by reflecting sunlight that hits these molecules back into space. This explains the slight mid last century cooling, ended by Clean Air Acts (sulphates create acid rain.)

But increasing CO2 is the endless ratcheting of AGW.
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lee
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Re: Looking to the clouds
Reply #6 - Sep 28th, 2022 at 5:40pm
 
AusGeoff wrote on Sep 28th, 2022 at 1:28pm:
In the 200-plus years since the industrial revolution began, the concentration
of carbon dioxide (CO2) in the atmosphere has increased due to
human actions. During this time, the pH of surface ocean waters has fallen
by 0.1 pH units.


So seeing as water is neutral at 7 and the current ocean pH is between 8.0 and 8.2 (it varies with location and time of reading) it should only take 200*10 years to get to neutral.  With the proviso all other things remaining equal, which they do not. Roll Eyes

Warm water outgasses more CO2. More outgassing less pH drop.
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Jovial Monk
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Re: Looking to the clouds
Reply #7 - Sep 28th, 2022 at 6:27pm
 
Higher partial pressure of CO2 the more CO2 is absorbed by the oceans. Since the oceans do not warm by very much—massive oceans and the high specific heat of water—CO2 concentration in the oceans increases.

Not a case of getting to neutral—the ocean acidification will make it harder for marine critters to form calcareous shells.
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lee
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Re: Looking to the clouds
Reply #8 - Sep 28th, 2022 at 6:46pm
 
Jovial Monk wrote on Sep 28th, 2022 at 6:27pm:
Higher partial pressure of CO2 the more CO2 is absorbed by the oceans. Since the oceans do not warm by very much—massive oceans and the high specific heat of water—CO2 concentration in the oceans increases.



You mean Trenberth was lying about the heat hiding in the deep ocean? Grin Grin Grin Grin Grin

Jovial Monk wrote on Sep 28th, 2022 at 6:27pm:
Not a case of getting to neutral—the ocean acidification will make it harder for marine critters to form calcareous shells.



Supposition not backed up by facts. Unless you are talking about the virus hit shells in Canada. Corals and calcareous creatures when they die leave the shell behind. Giving more food to the calcium carbonate. Wink
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Jovial Monk
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Re: Looking to the clouds
Reply #9 - Sep 28th, 2022 at 7:55pm
 
The calcium in the old shells is locked up.

But it is the formation of new shells that is increasingly a problem due to acidification.
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lee
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Re: Looking to the clouds
Reply #10 - Sep 28th, 2022 at 8:04pm
 
Jovial Monk wrote on Sep 28th, 2022 at 7:55pm:
The calcium in the old shells is locked up.



No it breaks down.

Jovial Monk wrote on Sep 28th, 2022 at 7:55pm:
But it is the formation of new shells that is increasingly a problem due to acidification.


Rubbish.

"Here, we show that corals and molluscs transplanted along gradients of carbonate saturation state at Mediterranean CO2 vents are able to calcify and grow at even faster than normal rates when exposed to the high CO2 levels projected for the next 300 years."

https://www.nature.com/articles/nclimate1200

A 2011 paper.
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Setanta
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Re: Looking to the clouds
Reply #11 - Sep 28th, 2022 at 8:26pm
 
Quote:
Our combined field and laboratory results demonstrate that the adverse effects of global warming are exacerbated when high temperatures coincide with acidification.

https://www.nature.com/articles/nclimate1200

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lee
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Re: Looking to the clouds
Reply #12 - Sep 28th, 2022 at 9:23pm
 
Setanta wrote on Sep 28th, 2022 at 8:26pm:
Quote:
Our combined field and laboratory results demonstrate that the adverse effects of global warming are exacerbated when high temperatures coincide with acidification.

https://www.nature.com/articles/nclimate1200




Yes. Sometime after 300 years. And in 300 years there won't be fossil fuels. We haven't had high ocean temperatures.

From the paper -

"Effects of acidification on corals. Dead samples of both coral
species did not dissolve after three weeks in aquaria at constant
pHT 7.8, a value often projected for the year 2100. "


As noted previously pH varies by location and time of reading.
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