Questions tagged [climate-change]
Questions about changes of the climate system, including questions about global warming.
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What is technically wrong with Wijngaarden & Happer's paper claiming to show that CO2's contribution to surface warming is saturated?
The paper, Dependence of Earth’s Thermal Radiation on Five Most
Abundant Greenhouse Gases1, has been reportedly rejected from several major journals. By analysing absorption spectra of greenhouse ...
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What arguments does Svante Arrhenius make in 1896 to prove the correlation between "carbonic acid" and ground temperature increase?
I tried reading Arrhenius' paper (https://www.rsc.org/images/Arrhenius1896_tcm18-173546.pdf), but having no background in natural sciences, it was too inaccessible to me. What is the high-level ...
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The hottest part of the day
I have lived nearly my entire life in the same home. It appears to me, the hottest part of the day is getting a bit latter in the day. I tired doing a google search, but I did not see any links that ...
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Curve number adjustment based on antecedent rainfall
Is there any equation I can use to determine curve number as a function of the antecedent precipitation? I am aware of three sets of curve numbers for dry, wet and normal conditions. I was looking at ...
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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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How much does overpopulation affect the carbon dioxide concentration in the air in terms of just breathing?
I'm not talking about other artificial human activities like fossil fuels or cars or cattle farming. I meant just in terms of breathing, how much did the CO2 level of the earth increase because of the ...
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Why would glaciers change its size? How to differenciate change in glacier size as a response to climate and its natural dynamics?
Glaciers flow as they deform under its own weight. But they also advance or retreat accordingly to the various climate factors.
How would I differentiate a glacier that is in motion flowing down the ...
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What was the impact of nuclear tests on climate change and ozone layer depletion?
Since 1945 2476 nuclear bombs were exploded on this planet during tests with a total yield of 545 megatons. The peak of testing took place in the late 50's and early 60's with 116 bombs exploded in ...
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Is it safe for me to move to the coast?
I live in Brazil, around 200 km from the nearest coast.
I'm looking to move to Rio de Janeiro (a coastal city) to study at the Federal University of Rio, which is basically on an island (Ilha do ...
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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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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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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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Simulating snow melt inundation in urban areas
I am trying to understand how melt water from snow in urban setting gets routed.
I understand that for routing rain water, one can create grid and then determine the flow direction for each cell by ...
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How dangerous is it that no global warming prevention measures are taken? What is the maximal warming, the limit?
This image in wikipedia shows that the temperature is going to increase 4.1-4.8 °C in 2100 if no policies are taken.
How much raise in temperature can be reached in later times?
Is there some ...
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What are the U.S. government's plans for dealing with the event of Lake Mead drying up in the near future?
I watched a documentary this morning about how the water level on Lake Mead keeps dropping due to a historical 20+ year long drought. The lake's water level has been dropping due to a decrease in ...
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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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Would the US East Coast rise if everyone living there moved away?
I watched a documentary about research on the coasts of Greenland where the sea level has fallen. According to the research, this is because a lot of the glaciers have melted, resulting in less weight ...
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Why does this resource give no insolation change since Roman times?
This grapher states that the Sun energy output in watts/m2 has not changed in 2200 years (0.0022 Ma ago until 0 Ma ago) .
Why is there an invariance as time approaches glacial minimum?
Years Ago
...
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What consequences of the global climate change are expected in the next 50 years?
It is known, that due to global warming, the average temperature on Earth over the past 100 years has increased by 1.2 degrees. At the same time, I heard that earlier the temperature of the Earth was ...
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Shorter Showers Effect on Environment
I was told that if I take a shorter shower it will impact the environment positively. That extra water saved could be used for struggling countries or other uses. As a result, I should take a 5min ...
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Climate Change Solutions - Pros and Cons
I am beginning my research on climate change and am not familiar with all of the problems that can occur. At the same time, I know there are potential solutions to react to climate change.
For example,...
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How can a single layer atmospheric model for the greenhouse effect be consistent with adiabatic temperature gradient and optical depth considerations?
I'm completely lost...In an elementary course on meteorology, we recently learned how to explain the greenhouse effect in terms of a simple single-layer atmosphere model.
Based on the image below ...
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Why is dependence of radiation forcing on CO2 concentration logarithmic?
As a newbie on climate science and meteorology I'm trying to understand the almost logarithmic behavior of CO2 concentration on radiation forcing
$$F(c) = A \cdot \ln \frac{c}{c_0}$$
and why there is ...
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Convert methane emissions calculated with GWP100 to GWP20
Given a figure of 1 tonne of CO2e methane emissions, where the CO2e figure is calculated using the 100-year global warming potential, is it possible to do a straight conversion back to tonnes of ...
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How can carbon flows be modeled mathematically?
In this video Earth's carbon cycle is investigated with a bit of maths.
https://www.youtube.com/watch?v=aIOrF0-R33o
It is in German, but the idea behind I can describe easily:
There are reservoirs of ...
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IPCC AR6 References
Does the IPCC publish its references (i.e. the references used in the report, not citations for the reports or chapters themselves) beyond what is in the PDFs of the reports themselves?
I'm looking ...
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How to simulate rainfall for a 1 in 100 year storm event?
I have information about total rainfall during a 24-hour, 1 in 100-year storm event for a location. (source: https://hdsc.nws.noaa.gov/hdsc/pfds/index.html). I would like to use this information and ...
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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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Where Do I FInd IPCC RCP Global Mean Temperature Predictions?
We have written a free textbook at (http://climate-change.world). Its main focus is on the social science side of changing emissions. We are not atmospheric scientists, so all we want to do is to ...
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What exactly does point-of-no-return for carbon emissions mean?
I think I have heard that if the carbon emission raises a small amount above the current, it would be "point of no return". I heard it a long time ago, so I just searched Google and the top ...
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How does dredging help the rivers that have gone dry?
How does dredging help the rivers that have gone dry? If you dig deeper, that small, and fixed, amount of water is just going to go lower, isn't it? That just what my layman's logic says, at least. ...
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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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How is sea level rise due to a glacier melting calculated?
There's news going around (e.g. link) that the melting of the Thwaites glacier may cause sea levels to rise by 10 feet. Is that true and not exaggerated? How is the calculation made? They said the ...
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What was the physical environment like in the Fertile Cresent between 10k BCE and 1 CE?
Mesopotamia was part of the Fertile Crescent, and Assur was an Assyrian city in Mesopotamia for roughly 1500 years, but it looks like this now (barely any vegetation, pure desert):
What was the ...
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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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Is there a relationship between pressure drop and sea level rise?
Climate Fresk is a NGO which publishes a card game aimed at educating people about climate change. Card 33 (page 16 of this pdf file) reads (emphasis mine):
Cyclones and atmospheric waves bring wind, ...
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How much carbon dioxide does war release?
I'm wondering how much damage the Russian invasion of Ukraine has done to the climate, in particular how many tons of carbon has been released into the atmosphere. I'd be surprised if it isn't ...
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Does visible light warm the earth?
I read that most radiation reaching us from the sun is visible light. Yet, heat can only be radiated away from earth as infrared.
Is this correct? If so, why can the oceans (say) absorb heat from ...
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Is ocean pasture restoration a real solution to quickly mitigate climate change?
In this youtube video American entrepreneur Russ George claims that - based on research of oceanographer John Martin and some experiments he made in British Columbia - pouring mineral dust into 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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Global change or climate change [closed]
I was just wondering whether it wouldn't make more sense to describe climate change as global change. After all, it is not only the air temperature that has been changing in recent years, but also ice ...
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Why is the global warming potential of methane and ozone so much higher than CO2?
When sources describe global warming potential of different gasses, such as in this paper on radiative forcing, methane and tropospheric ozone respectively are given GWP values of around 29 and 65. ...
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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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Change in vapour pressure due to climate change
I was just wondering how much the vapour pressure has changed due to climate change. Because with changing temperatures, the vapour pressure also changes; this is described by the Clausius-Clapeyron ...
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Why is the Northern Hemisphere warming faster than the Southern Hemisphere?
Hi I just found the NOAA table. It clearly shows that the N. hemisphere has warmed much more than the southern hemisphere since 1880!
https://www.ncei.noaa.gov/access/monitoring/monthly-report/global/...
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Why had climate change not been proven beyond doubt for so long?
I just read the IPCC's Fourth Assessment Report and noticed that this is the first (or first very significant) report to state that climate change exists and can no longer be scientifically disproved. ...
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What's the effect of space launches on climate?
Do space launches warm or cool the surface temperature (admittedly, for a little bit)? This BBC article presents it as an emerging climate problem but also says
If the amount of black carbon expelled ...
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Change in thermohaline circulation due to climate change
The melting of the North Polar ice masses removes a driving factor from the thermohaline circulation, known as the Gulf Stream in the North Atlantic. I wonder how much the thermohaline circulation has ...
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Empirical adjustment factors for generating sub-daily precipitation values (for IDF curves)
I am trying to generate an Intensity-Duration-Frequency (IDF) curve using 6-hourly precipitation data. These curves are used to estimate the return period for a rain event with a specific intensity (...
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