Questions tagged [climate-change]
Questions about changes of the climate system, including questions about global warming.
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Shouldn't we encourage consumption of single-use plastics? Plastic is a good way to sequester carbon [closed]
I've heard a bunch of impractical proposals for ways to sequester carbon: pump CO2 gas into the ground, grow trees for the sole purpose of burying them underground where they won't decompose... and ...
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What are the farthest Time Zone locations? [closed]
What place in the world has the farthest time zone? I heard it was Kiribati but then I found that Apia (Samoa) is further. So, is there anyplace that is the farthest in time than these two? What about ...
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A guide to how climate change will affect different countries [closed]
Let's assume that the climate change won't be prevented. I'm looking for a guide to show how the climate change will affect different countries.
Specifically, I'm interested in comparing following ...
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What does 5,000,000 tonnes of CO2 look like?
Reading a news article Probe after Gorgon releases millions of tonnes of greenhouse gas, I am confused. CO2 is a gas, right? Gases are not very dense, right? So what does 5MT of the stuff look like?...
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Hypothetically, would digging a big trench from the ocean and flooding desert areas be a bad solution to combatting sea level rise? [duplicate]
My question is basically the title. Ignoring most of the feasibility of the enormous engineering and earthmoving requirements (I guess I mean to say, given an unlimited budget) in very hot areas, ...
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What does this diagram mean?
What does the bottom picture represent when it says Lower Emissions (B1) and Higher Emissions (B2)?
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Why is bush encroachement a bad thing?
From what I've read about bush encroachment, it is most often made to sound as a bad thing, potentially as a symptom of land degradation. This sounds counterintuitive to me because bush encroachment ...
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How to demonstrate the warming effect of CO2 at home?
Is there any simple experiment which can be done to show empirical evidence that carbon dioxide causes the greenhouse effect?
I'm imagining something simple like two sealed fish tanks, one filled with ...
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How do melting glaciers dry rivers?
How do melting glaciers dry rivers? Unless there's less precipitation during winter, I don't see how it affects the volume of water of the rivers that glaciers feed into. If it's cold, water ...
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Doesn't increased human activity add to heating the atmosphere directly?
My question relates to the fact that 1- the human population is continually increasing, and 2- everybody is constantly 'doing more stuff' (or causing more to be done). So doesn't 'more people doing ...
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Where oil is used for [closed]
I am trying to study climate change and lately, I am realizing that oil companies were/are drilling for oils at Alaska, Arctic, Antarctica.
Where oil (which oil company drills) is used maximum for?
I ...
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Which are the mechanisms of the correlation between atmospheric carbon dioxid and global warming/cooling?
In the end of glacial periods there seems to be an increasing release of carbon dioxide as the global warming increase and at the end of these global warming periods the content of carbon dioxide in ...
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If ocean water was pumped into a desert would it help cool the planet?
Water pumped into a desert would evaporate and increase formation of clouds which would in turn increase the albedo of the Earth. Would this help to cool the planet more efficiently than trying to ...
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Book Introduction to Climate Change
The question might be in an opinion-based grey zone. If it is, I apologize.
My wife and I want to get informed about climate change.
We want to read a book (no online course etc.) and it should be ...
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How do we apply CO2 sensitivity (3C ± 1.5C for every doubling) to current CO2 levels
https://en.wikipedia.org/wiki/Climate_sensitivity#Estimating_climate_sensitivity
This indicates that current $\small\mathsf{CO_2}$ levels have a temperature equilibrium of 2.2 $\small\mathsf{^oC}$ ...
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Is there any natural phenomenon that can account for the 100 fold faster CO2 rate increase?
"Based on the best historical data that we have available CO2 is probably increasing at a rate at of least 100 times faster than at any time in the last 800,000 years." Pieter Tans lead scientist of ...
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Will carbon tax be applicable to other emissions? [closed]
Will Carbon tax be applied to other emissions or only carbon emissions like Carbon dioxide & Carbon monoxide ? Can non-warming pollutant emissions like Chaff(Chemtrail) also be taxed under the ...
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Aerosol injections to manage European heatwaves?
The heatwave that hit Europe in July was not only highly unpleasant (40°C), but has been predicted to be an exceptionally onerous medical, agricultural and economic burden. As someone outside of the ...
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Is New York bound to go underwater?
The latest IPCC report basically says that whatever we do, NY is a doomed city with no hope to remain above water due to climate change (among many other settlements) (TS-54). Why is the media not ...
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Is anthropogenic global warming unavoidable under modern civilisation? [closed]
Which are the reasons to believe that the climate crisis can be solved within our type of civilisation, that is, without putting in jeopardy the important advances of humanity that have been achieved ...
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Yearly changes of solar irradiation and atmospheric feedback
I think I understand the mechanism of water vapor feedback in climate change pretty well: a (theoretical) temperature increase due to some isolated factor (e.g. increase in $CO_2$ concentration) ...
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Over which surface will the albedo changes due to clear and overcast skies have the greatest impact?
With respect to climate change, will the changes in albedos due to clear skies and overcast skies have the greatest impact on incoming solar radiation over ocean, sea ice, or land?
My thoughts:
On a ...
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Calculating exoatmosphereic flux and figuring out amount of SW Earth will absorb at an albedo of 0.3?
Am working through two problems which I am not sure if I am handling correctly. Here they are:
a. If the Earth decreases its distance from the sun by 0.03
Astronomical Units (AU), what will be ...
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On what authority are carbon credits issued? [closed]
Carbon Credits are a weird thing. Businesses can buy and sell them, and having enough carbon credits to offset your CO2 output suddenly makes you a Green Business. That being said, who issues Carbon ...
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What determines and confirms sensitivity of glaciers to climate change/ climate forcing?
Consider two groups of glaciers, say Group A and Group B. For simplicity, let's consider the group to fall in one size class (say 1-5 sq km), both located in the same kind of climate. We DO NOT know ...
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Planetary surface temperature from first principles
How can you calculate planetary surface temperatures from first principles? The obvious application is for Earth, with a surface temperature of $288$K. I want a calculation with no fudge factors (i.e.,...
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IPCC 6 - What's the background of possible marine species loss?
The Figure "Projected risks and impacts of climate change on natural and human systems at different global warming levels" has this to say on species loss (only part of the image):
I can't ...
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Does climate change generate more cold waves?
I answered to this question some time ago:
Who are winners from the global warming? Are there any?
The user asked if Russia would benefit from climate change.
I found a paper that asserts:
Our ...
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Why Climate Change (CC) or Global Warming (GW) does not take into account the actual heat from human combustion processes? [duplicate]
Are there any papers or calculations of how much we could be warming the atmosphere by these processes?. Please also share any clues to find those numbers if you have. The volume of a car engine ...
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Maximum Air Temperature Decrease Over Time
Based on the maximum air temperature Time series plot plot below. What could be a possible reason(s) for Maximum Temperature to ...
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Alternative natural explanations for rise in atmospheric CO2? [duplicate]
I am in no way a climate-change skeptic, nor a denier. Motivated by this question and some articles I read online:
Are there any known natural processes beside human activities that are able to ...
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Are there climatic projections for past conditions in Northern Europe?
I'm looking for projections of past climatic conditions during the last two millennia for northern Europe. I know there are initiatives studying tree rings, but I want to know whether there are ...
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Are events like the Siberian heat wave factored into models of sea ice decline?
I've been looking at a lot of charts of Arctic Sea Ice lately, wondering when it will be gone, and whether the more extreme predictions are credible.
When scientists come up with a chart that points ...
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South Georgia Island and Settlement
I know there were settlements in South Georgia in the past, but they were all abandoned. Is there any environmental reason why a new settlement could not be made? Especially with global warming, the ...
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Providing Edgar emission using prep_chem_source for tracers (CO2-CH4)
I am working on CO2 and CH4 by WRF-CHEM, for providing my anthropogenic emission from Edgar data base, I'm going to use the Prep_chem_source App.
I would like to use Edgar data emission (as my ...
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Reflected radiation from increased CO2 : how was this calculated
The IPCC claims that the reflected radiation from incresaed CO2 heats the Earth at a rate of 5 W m-2. How did the contributing researchers came out with that result?
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Can any natural process explain this rate of CO2 increase? [duplicate]
Can any natural process explain this rate of CO2 increase?
[![1000 years of CO2][1]][1]
[1]: https://i.stack.imgur.com/MO0mK.png
The prior similar question used different data as its basis.
This ...
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Does anyone have any data indicating a faster rate of CO2 increase?
Pieter Tans 2019-10-07(lead scientist of NOAA's Global Greenhouse Gas Reference Network):
Based on the best historical data that we have available CO2 is probably increasing at a rate at of least ...
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Can we predict the rising temperature of Earth?
Where can I find a model of Earth's past climates and future projections from combined possibilities like magnetic pole movement and other forms of global warming as a map? Without a reference it has ...
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Milankovitch cycles and what?
Observe the vertical green lines in this diagram:
Those events shows when temperature starts to sink when radiance is at top or even before that. If there was a simple connection between radiance and ...
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Can extratropical cyclones force global cooling?
We are living in a historical period of global warming since about 20,000 years ago. This global warming period is one of about ten in human history. Those periods may very well be forced to start by ...
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How does one analyze this graph on atmospheric C02 data obtained from the Mauna Loa observatory?
Graph I am analyzing:
What I am trying to figure out from the graph is:
What is the range for CO2 over the record (approximation)
What are the major forcings for the overall trend in this record
...
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Why Do Carbon Dioxide Levels Vary Seasonally? [duplicate]
I was reading this article today, and I saw this chart of atmospheric carbon dioxide levels for the past year:
The chart shows a decline in atmospheric carbon dioxide levels from roughly June-October,...
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In terms of the greenhouse effect, what is the Earth's heat capacity?
(Question moved from physics to earth science)
Has the earth’s atmosphere reached an equilibrium at which the input radiation energy roughly equals its output, or is the output significantly lower ...
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Climate change research and policy [closed]
How impactful is climate change scientific research on climate change policy?
Are there any statistics which help to visualise the effectiveness of new scientific findings or new technology innovation ...
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Will life still be sustainable on earth when solar eclipses stop?
Estimates put the last solar eclipse at 600 million years.
The question then becomes how much time is left on Earth? Stephen Hawking believes we have less then a 100 years left on Earth but that ...
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Global warming caused by direct energy release [duplicate]
We know that global warming has a component caused by greenhouse gases, but I was wondering how much of the heat is caused directly by burning fuel.
I made this classification to explain what i am ...
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Global warming versus nuclear half-lives [closed]
What is (roughly) the half-life of the materials used/generated in a nuclear plant, if that plant goes into meltdown? Could the world bounce back from global warming in a shorter time period than that ...
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Has irreversible global warming already begun? [duplicate]
Climate is a high order nonlinear dynamic system and as such:
is complex to study
is not controllable via linear input as in we pollute less -> temperature drops...
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Could the recent temperature anomalies in the arctic be used as a proxy measure of global heating?
Because the arctic temperature record would probably not require any of the climategate urban heat island adjustments it would seem to definitively sustain that global temperatures are significantly ...
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