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You are here: Home / Blog / CO2 Our Planet’s Thermostat

CO2 Our Planet’s Thermostat

November 19, 2014 by Rudy Sovinee 6 Comments

A Thermostat

Greenhouse gases were first recognized by “Joseph Fourier in 1824, first reliably experimented on by Eunice Foote in 1856, (NOT John Tyndall in 1858 as is usually credited) and first reported quantitatively by Svante Arrhenius in 1896.” What makes these gases significant is that they function like a thermostat that modifies the Earth’s temperature. Not enough and the planet is far enough from the sun to be a frozen ball. Too much, and the planet warms – potentially far more than our life forms can tolerate. They set Earth’s temperature by forming an insulating blanket shrouding the Earth. But unlike having too many blankets and choosing to remove one or two during the night, these molecular blankets can not be easily removed if it gets too hot.

This concept left the realm of abstract theory during the 1950s as the US Air Force developed heat seeking missiles and learned there were frequencies that were absorbed by something in the air.

So far, not too far beyond what I was learning in grade school, but it does get interesting as we see this next bit of detail.

NASA scientists provide a stunning new look at how carbon dioxide in the atmosphere travels around the globe. Plumes of carbon dioxide in the simulation swirl and shift as winds disperse the greenhouse gas away from its sources. The simulation illustrates differences in carbon dioxide levels in the northern and southern hemispheres and distinct swings in global carbon dioxide concentrations as the growth cycle of plants and trees changes with the seasons. ~ The carbon dioxide visualization was produced by a computer model called GEOS-5, created by scientists at NASA Goddard Space Flight Center’s Global Modeling and Assimilation Office. The visualization is a product of a simulation called a “Nature Run,” which ingests real data on atmospheric conditions and the emission of greenhouse gases and both natural and man-made particulates. The model is then left to run on its own and simulate the natural behavior of the Earth’s atmosphere. This Nature Run simulates January 2006 through December 2006.

Seeing that new NASA video inspired me to make this my first blog post. (admittedly a little strange for a site on leadership and peace building –  but it is what I’ve most researched since retiring, and it will certainly be the back story for much of what conflict lies ahead. Besides, maybe you are like me when I was working long days – too busy to dig through the many many pieces and try to assemble a coherent picture. If so, you’re welcome to ride along and experience what I’ve found.)

Tracking the CO2 concentrations by satellite, then converting those myriads of readings into a color code animation is a massive amount of data manipulation. The result though demonstrates how concentrations are varying across the planet – by latitude and by season. Importantly, previous climate predictions on the effect of:

  • less ice cover allowing more energy to reach into the Arctic waters,
  • overall warmer oceans leaking more warmth into the Arctic,
  • deposits of coal soot from China landing upon and reducing the reflectivity of energy off the ice there…

These already projected that the Arctic would be the region to first see significant warming. The NASA video graphically shows that during the Winter months the CO2 over the region will be a better thermal blanket than otherwise… heat that gets to the arctic will not radiate off as easily… so CO2 is now explicitly shown to be among the key factors that amplifies warming in the Arctic. Our thermostat is too high in the Arctic, and those consequences are showing.

What human activities add to greenhouse gases?
By what amounts?

Sources of our rise in thermostat ... CO2e / Greenhouse Gas Emissions 2005
Three greenhouse gases comprise the majority of human caused changes to the atmosphere. They are depicted based on their CO2 equivalence so as to highlight effect and not just counting molecules. While CO2 is the primary thermostat, other gases can and are counted in a term “CO2e” which includes them based on the equivalent amount of heating they cause.

The image shows relative percentages. CO2 is the leading change maker, the thermostat that sets the trends, but just how much CO2 is represented by that 77 percent? Looking ONLY at Crude Oil, the US oil use alone generates  2.31 Billion tons of CO2/yr.

Global petroleum is consumed at 90 Million barrels of oil per day => translating to 11.27 Gigatons (Billion tons) of CO2/yr. That is a huge amount, released continuously, and totaling far more than volcanic activity.  Can we be sure? Are Humans indeed the major cause of change to Atmospheric Carbon?

YES! and the proof of that is based upon an understanding of the sourcing and ratios of the 3 isotopic varieties of Carbon (C12 / C13 / C14) where C14 is most present in plants that have recently been doing photosynthesis. Long term C14 decays to standard C12 such as happens to fossilized plant material buried in the Earths’ crust. Lastly, C13 appears in carbon that has been in the thermal core of the planet, exposed to radiation there. The relative mix of these isotopic varieties have been shifting this century towards C12, not C13 or C14, meaning the added CO2 is primarily from burning fossil fuels.
This short video explains it more visually: “It’s Us”

OceanAcidification is the cost of absorbing atmospheric CO2, lowering the thermostat.
Carbonated water is more acidic than without the CO2. See the interactions above. Because the ocean is alkaline, the historical starting point for shelled creatures is not so bad. As CO2 concentrations get higher the resulting acids weaken shells, coral skeleton. and plankton… and these are at the base of much of the ocean’s food chain.

Look next at where it all goes. We find that about half this net increase goes into the atmosphere and raises the CO2 ppm. Another 24% of the added CO2 released each year is absorbed into the oceans. Adding CO2 to water is a 2-way process. As a gas, it both evaporates off and dissolves back into the water. The 2-way process is written as
CO2 + H2O is in equilibrium with H2CO3.   Some carbonic acid is always present, but as CO2 concentrations rise in the air, there is more carbonic acid. At much higher concentrations you have carbonated soda water. Even the shifts so far are showing the acid is corrosive to shells, coral skeleton. and plankton.

The remaining 26% annually is absorbed over land, primarily through photosynthesis. IF that carbon becomes part of large trees, later as furniture and timber, then the carbon stays sequestered out of the atmosphere. Most carbon cycles through various land organisms until it is released as animal respiration or as the lifeless remains decay. In the Arctic, while the lands remained brutally cold, dead plants didn’t decay, they just got frozen and buried. Now as those regions warm, the decay will begin in earnest. If underwater, the decomposition of thawing Permafrost releases Methane, while if exposed to air as the warmed tundra begins decay, it releases CO2. Either way, once the tundra begins to thaw, it releases more greenhouse gases and adds to the blanket effect. It accelerates further warming. Humans are on the verge of starting / maybe have already started processes that we will not be able to contain.

Normal Climate Change

Up until the industrial revolution dug out and burned the buried fossil fuel remains of photosynthesis long ago, the planet was in a stable balance for which CO2 vacillated between a thin 180 ppm (Ice Age) and a thick blanket of 280 ppm (warm and comfy for life as we know it.) Yes, Ice Ages seem extreme, but they advance and retreat at a pace linked to changes in the Earth’s periodic, regular shifts in the axial tilt and elliptical pattern of its orbit.

What does 800, 000 years of history for CO2 look like? This short (1½ min) animation is interesting for starting recently, moving to the present, then extending backwards. Pay particular attention to how the past decades compare to the total range of experience during our ice ages. What would a person expect to happen with so much added insulation? Cranking the thermostat so high?

Climate Modeling vs Observations. Yes, we have a thermostat.
Models that do not include CO2 as a driving factor in projecting temperatures (i.e. a thermostat) began failing to match reality in the late 60s/ early 70s

In the above, I summarized what I see as key evidence that CO2 acts as a Greenhouse Gas, that it is the Greenhouse Gas that is most rapidly changing in concentration, that where we already are (400 ppm CO2) has not been experienced in the past 800,000+ years, and that humans are the cause of the thickening of Earth’s blanket, the dialing up of our thermostat.

Does this appear in actual records? Look at the image to the right and see how models that do not include changes in CO2 concentrations began failing to agree with reality back in the 60s, and yet models tracking against, accounting for CO2 changes are proving to be more accurate forecasters of climate trends.

Looking Ahead – Human Induced Climate Change

So far the logical conclusions are that change is happening. What temperature is our thermostat now set for, and in how many generations – these questions deserve another blog post all for themselves. The truth will be playing out for all of us all too soon, but just exactly how soon? Are the IPCC and similar reports real, extreme, or playing it cautions?

Please let me know if this was helpful, and which portions / formats you liked or not. Which threads of the story would yo like to see expanded?

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Filed Under: Blog, Climate Change Updates, Conflict Triggers

Comments

  1. judi says

    November 20, 2014 at 8:36 am

    EXCELLENT RUDY

    I will share for sure…

    THANKS FRIEND..
    Judi

    Reply
  2. Hank says

    November 21, 2014 at 12:53 pm

    Rudy, what a great vehicle by which you can impart your knowledge and wisdom. Don’t stop and congratulations!

    Reply
  3. El Fraser says

    December 2, 2014 at 8:38 pm

    Excellent. I have already shared this page with Eben Rose and Rob Sellin – Eben being the brain trust who did most of the technical analyses for our various presentations regarding the tar sands fight: Rob being one of the founders of the core group and his wife having written the 1st draft of an ordinance to stop tar sands. Both are on my FB page (just a FYI). Best wishes, El

    Reply
  4. Rudy Sovinee says

    September 3, 2016 at 5:41 pm

    Give credit to the woman!
    “It is clear that Eunice Foote deserves credit for being an innovator on the topic of CO2 and its potential impact on global climate warming.”

    Though John Tyndall is generally given credit, a recently digitized copy of The American Journal of Science and Arts suggests a woman beat him to it.

    “It includes a presentation by Eunice Foote to a top US science conference in 1856. She describes filling glass jars with water vapour, carbon dioxide and air, and comparing how much they heated up in the sun. “The highest effect of the sun’s rays I have found to be in carbonic acid gas,” she writes, using the contemporary term for carbon dioxide.”

    http://www.climatechangenews.com/2016/09/02/the-woman-who-identified-the-greenhouse-effect-years-before-tyndall/

    Reply
  5. Rudy Sovinee says

    May 2, 2017 at 6:13 pm

    Very short clips – showing what we knew BEFORE the oil companies began funding the climate change denial propaganda.
    https://www.carbonbrief.org/warming-warning-1981-tv-documentary-warned-climate-change

    “On the evening of Tuesday, 8 December, 1981, the UK’s only commercial TV channel, ITV, broadcast an hour-long documentary called “Warming Warning”. It was among the earliest occasions – possibly the earliest – anywhere in the world where a major broadcaster aired a documentary dedicated solely to the topic of human-caused climate change.”

    What we’ve done in the 36 years since has been to document and fight that propaganda… and dig humanity far deeper into the hole that our usage of fossil fuels creates for the climatic balances of the planet.

    “The documentary, which was made by the now-defunct Thames Television, has sat in the archives largely unseen ever since. Until now. Carbon Brief has tracked down the copyright holder, FremantleMedia Ltd, and persuaded it to release into the public domain a selection of key clips from the documentary.
    “The clips provide a poignant, historical insight from a 1981 documentary shown in England into what scientists knew about climate change almost four decades ago – and how the world was beginning to react in terms of the resulting geopolitical, technological and societal ramifications. Many of themes still resonate strongly today.
    “To put it in context, the documentary was broadcast seven years before Dr James Hansen’s famous “it is already happening now” Senate testimony in 1988, nine years before the first Intergovernmental Panel on Climate Change (IPCC) assessment report was published, and 25 years before Al Gore’s An Inconvenient Truth was released. After it first aired in 1981, Warming Warning went on to be broadcast in the US (in 1990 on PBS), Greece, Japan and Israel, according to FremantleMedia.”

    Reply
  6. Rudy Sovinee says

    October 15, 2017 at 9:34 am

    News from NASA:
    “NASA’s latest carbon dioxide-mapping satellite has detected a dramatic spike in the amount of the greenhouse gas in the atmosphere, measuring the largest annual increase Earth has seen in at least 2,000 years. The cause? Overheating of three major tropical forest regions across the globe.”

    https://www.space.com/38465-carbon-dioxide-from-overheated-tropical-forests.html

    Reply

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Our Planetary Energy Surplus this Millennium


90% of the accumulated heat is stored in the oceans, raising the humidity, powering stronger hurricanes and typhoons, making more torrential the rains that happen as well as warmth intensifying the dryness where rains are not occurring. We see it as "Extreme Weather."

Stability is Step #1, Can we remove CO2 before consequences lock in?

Atmospheric CO2
Earth has gained 80ppm in 50 years. EVERY increase means the insulation blanket of our atmosphere has increased. The energy of the sun will warm us more quickly, and the eventual equilibrium temperature will be higher.

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