Questions tagged [climate-change]

Questions about changes of the climate system, including questions about global warming.

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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 ...
5 votes
0 answers
87 views

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 ...
2 votes
1 answer
92 views

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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3 votes
1 answer
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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 ...
8 votes
2 answers
5k views

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 ...
2 votes
1 answer
89 views

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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0 votes
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79 views

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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1 vote
1 answer
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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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2 votes
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47 views

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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2 votes
1 answer
96 views

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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1 vote
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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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2 votes
0 answers
42 views

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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1 vote
1 answer
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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 ...
0 votes
1 answer
78 views

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 ...
1 vote
0 answers
32 views

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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2 votes
1 answer
53 views

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 ...
2 votes
1 answer
56 views

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. ...
0 votes
1 answer
51 views

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 ...
2 votes
0 answers
49 views

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 ...
2 votes
0 answers
21 views

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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2 votes
2 answers
62 views

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, ...
7 votes
2 answers
195 views

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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1 vote
2 answers
217 views

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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3 votes
1 answer
257 views

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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1 answer
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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 ...
1 vote
1 answer
105 views

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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4 votes
0 answers
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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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3 votes
0 answers
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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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7 votes
1 answer
354 views

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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11 votes
5 answers
8k views

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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2 votes
0 answers
74 views

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 ...
3 votes
1 answer
63 views

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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2 votes
0 answers
13 views

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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1 vote
0 answers
48 views

Describe changes in atmosphere data - mathematical solutions

I interpolated isotopic data (2H or 18O) from 1970 and plotted it on a map. I did the same with data from 2010. The interpolated data are gridded data which have changed over time. Up to now I have ...
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3 votes
1 answer
144 views

Countering climate change skeptics that point to previous warming episodes

If the question is a bit confusing, what I'm asking is if there is scientific evidence to counter an argument against climate change that I had come across. The person said that climate change is not ...
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1 vote
0 answers
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Change in evaporation in the North Atlantic since 1890

Hi I was wondering if there are any good open Access models of the oceans from the 1890's to, lets say 2100! I have already found the site but I am looking for more alternatives: https://esgf-node....
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1 vote
1 answer
70 views

Milancovich analysis

I would like to show the change in temperatures since 1960 until today. I have thought about creating two time blocks, e.g. from 1960-1970 and from 2010-2020! Then I want to average the data of these ...
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3 votes
0 answers
80 views

How quickly climate zones are shifting due to climate change!

Hi I was wondering how fast the climate zones (according to W. Köppen) have shifted in the last 22 years. It is well known that the zones shift about 100-200 km to the north or south for each degree ...
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2 votes
0 answers
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Are natural or artificial pools of water (like ponds) carbon positive, negative or neutral?

Are natural or artificial pools of water (like ponds) carbon positive, negative or neutral? They store carbon, but anaerobes release methane, don't they?
1 vote
1 answer
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Would the Climate change in Southern Africa by Filling Lake Makgadikgadi Evaporation Pans with water from the Zambezi and Chobe Rivers?

I have Macro question, and have enquired and discussed this topic with numerous people. My background is more in Economics and Finance, and read a very interesting article if I am not mistaken 10-15 ...
2 votes
0 answers
18 views

What is the connection between climate change and phosphorus and positive feedback loop?

So what is the connection between climate change and phosphorus and what are some examples of potential feedback loops of this connection. I think a very common response is probably the leakage of ...
3 votes
2 answers
146 views

How does the increase in CO2 concentration model explain the extreme lower colder temperatures

With burning of fossil fuels resulting in increased CO2 concentration, I get how increase in CO2 leads to a hotter planet and global warming because Earth's heat balance has been affected by CO2 ...
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3 votes
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How quickly can global means surface temperatures react to changes in CO2?

I am interested in whether short term (approximately decadal) variations in atmospheric CO2 would be observable in the consequent variability in Global Mean Surface Temperatures (GMSTs) as a result of ...
2 votes
0 answers
34 views

Universal or Ordinary Kriging?

Hi I am creating an isoscape model in which I am plotting 2H and 18O of precipitation. Until now I have always used ordinary kriging for the interpolation, but I am somewhat dissatisfied with the ...
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4 votes
2 answers
114 views

How does water vapor cool the troposphere?

I have read about the Fixed Anvil Temperature (FAT) hypothesis and wonder why radiative cooling decreases with decreasing water vapor mixing ratio. Doesn't this stand in contrast with the fact, that ...
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