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Questions tagged [climate-change]

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

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Effect of carbon dioxide on past ice ages

If anthropogenically produced carbon dioxide has prevented the earth from entering a new ice age, why were past ice ages not prevented from occuring since carbon dioxide levels were much higher in the ...
Daniel J Rice's user avatar
1 vote
2 answers
56 views

Extracting CO2 from the atmosphere and injecting it into fracking wells

Assuming you could extract CO2 from the atmosphere, could you inject it in fracking wells to store it? Would CO2 likely escape? What would the effect of this be on ground stability etc. and on the oil ...
Aaron's user avatar
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0 answers
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CMIP6 ts versus tos for Pontential Intensity calculation

As per the title, I am interested in computing the potential intensity (PI) and wondering what the difference between surface temperature (ts) over the ocean and sea surface temperature (tos) in CMIP6 ...
Giuniper's user avatar
1 vote
0 answers
45 views

How the salinity of the North Atlantic is changing

The Arctic has lost 3.6 million km^2 of sea ice due to climate change. This is also referred to as freshening. Are there any studies focussing on the development of the salinity of the North Atlantic?
Weiss's user avatar
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Since when are there global air temperature measurements?

I keep reading that global air temperature has been recorded since 1880, but considering that it wasn't until 1911 that Amundsen became the first person to reach the South Pole, it cannot be assumed ...
Weiss's user avatar
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2 votes
3 answers
87 views

What are the state-of-art techniques in capturing carbon dioxide and/or converting it to oxygen and their challenges?

It seems there are multiple chemical reactions (from this question and internet in general) where $CO_2$ can be converted to $O_2$. If this is the case, can someone please explain the challenges (...
RajaKrishnappa's user avatar
0 votes
1 answer
91 views

Controlled studies of CO2 as a greenhouse gas

Since climate change is such a big topic and the world is investing billions of dollars each year. Are there any controlled studies of CO2 as a greenhouse gas? It's quite simple: build two 3mx3mx3m ...
mikewen's user avatar
2 votes
0 answers
26 views

Is increased erosion due to flooding part of a negative feedback mechanism for global warming?

I have read that alkaline rock dust added to the sea can increase algal growth and sequestration of CO2. Is this part of a natural negative feedback for global warming because a typical scenario for ...
user36093's user avatar
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0 answers
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Do military conflicts have tangible effects on climate change? [duplicate]

Surely wars cause emission of a huge amount of CO2, but does that have a tangible effect in the short-term? For example, can someone claim that while currently there are 2 active wars (in Ukraine and ...
Amir reza Riahi's user avatar
0 votes
0 answers
38 views

Question about calculating cloud raditiave feedback by adjusted cloud radiative forcing

from https://link.springer.com/article/10.1007/s00382-022-06369-z from https://link.springer.com/article/10.1007/s00382-022-06577-7 These two formulas aim to calculate cloud radiative feedback by ...
Wang1111's user avatar
2 votes
0 answers
45 views

Need help to understand definitions in Box 7.1 (Forcing and Response) in IPCC 2021

I'm trying to understand Box 7.1 "The Energy Budget Framework: Forcing and Response" in the IPCC 2021 document. The link is https://www.ipcc.ch/report/ar6/wg1/chapter/chapter-7/ . $N(x_{1},...
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2 votes
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91 views

How much cooler would the Earth’s surface be if there was no contribution from radiogenic heating?

According to Earth's internal heat budget (Wikipedia) “About 50% of the Earth's internal heat originates from radioactive decay”. However, this makes up only a small portion of the Earth’s heat budget ...
Woody's user avatar
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2 votes
1 answer
51 views

Estimated surface average temperature rise when forest is replaced by solar panels

In some places in the world it can be observed that spots which used to be forest (or with the potential to become a forest) were changed to fields of solar panels. I've been close to solar panels on ...
us3r's user avatar
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1 vote
0 answers
51 views

Water on our planet, where did it come from? [closed]

Water on our planet, where did it come from? A water molecule is created when two atoms of hydrogen combine with one atom of oxygen. W The volume of all water (on our planet) is about 332.5 million ...
farsideofourmoon's user avatar
3 votes
1 answer
124 views

What 18O indicators are there besides foraminifera?

It is now standard practice to use foraminifera to represent paleo 18O signatures from a marine system. However, there are some problems if you want to show 18O variations in the last 100 years using ...
Weiss's user avatar
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3 votes
1 answer
81 views

Effective Radiative Forcing of Aviation Soot: Time Period Considered

I am trying to understand how athmospheric scientists are quantifying effective radiative forcing of different aviation-related warming/cooling effects as a function of total emissions over time. For ...
Wasserwaage's user avatar
3 votes
0 answers
46 views

Since the upwelling of calcium carbonate reduces surface pCO2, why is its dissolution in the CCD below the lysocline of concern?

Why is so much of the literature I run across regarding global warming concerned with precipitating $\ce{CaCO3}$ to the ocean floor? In areas of relatively lower pH, such as the eastern equatorial ...
James Bowery's user avatar
2 votes
0 answers
56 views

What is the role of stratospheric water vapor emissions in climate change?

Water vapor is the most significant greenhouse gas in the Earth's atmosphere. However, tropospheric water vapor has a short atmospheric half-life. Therefore, anthropogenic surface-level water vapor ...
ntoskrnl's user avatar
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1 vote
0 answers
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Why are REGOs are so bad?

Firstly, a REGO is a Renewable Energy Guarantee of Origin. We have these in the UK, and they are probably quite self-explanatory: a windfarm (for example) generates a certain amount of kWh which are ...
mike rodent's user avatar
1 vote
0 answers
110 views

Estimate warming caused by the current sea ice anomaly in Antarctica

I’ve read about the Ice Albedo Feedback effect on global warming. Antarctica has had a large sea ice anomaly from late 2021 until now. What is the average change in energy flux over the period 21 June ...
Will Stevens's user avatar
1 vote
0 answers
70 views

Climate change impact on the geography

Wildfires seem to be more frequent in the southern Europe, meantime as the Arctic melts, there are speculations that the Gulf Stream might collapse, would lower the temperature 10-15 degrees in Europe....
user29428's user avatar
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4 votes
1 answer
122 views

Can a collapse of the AMOC lead to suboxic conditions?

For a couple of years The Atlantic meridional overturning circulation AMOC has been under observation. There have been examples in the past, when sudden state changes of it lead to short term and ...
user avatar
5 votes
1 answer
514 views

How is this global temperature chart compiled?

In this BBC News article, there is a chart labelled "Hottest day on record globally - Daily average air temperature, 1940-2023". It shows temperatures that are higher in summer and lower in ...
user29329's user avatar
2 votes
0 answers
56 views

Why does OISST trend for this year appear to be increasingly diverging from the mean since early March?

With recent news about hottest global daily temps on record, I came across climatereanalyzer.org from the University of Maine. I ended up looking at their data for daily sea surface temperature and ...
Kylos's user avatar
  • 121
5 votes
2 answers
293 views

Why do cow burps and farts harm the planet?

It is often said that meat is among the most damaging foods from a climate change perspective. However, I don't quite understand why that is true, in the long run. Disclaimer: I am a vegan for animal ...
Isaac D. Cohen's user avatar
1 vote
0 answers
33 views

Temperature Data Software

I'm looking to create a map of the U.S. that depicts mean winter and summer temperatures. Is there a software suitable for this? I found CSVs of data here: https://www.ncei.noaa.gov/data/normals-daily/...
Test's user avatar
  • 111
1 vote
0 answers
67 views

How is the "hottest day ever on Earth" determined?

The news is reporting a global climate event: The hottest day ever on Earth since records began happened on July 3, 2023. Earth's hottest day ever recorded was on July 3, 2023 Turns out, the record ...
Rebecca J. Stones's user avatar
3 votes
1 answer
61 views

Difference between downwasting and dynamic glacier response to climate change

The acceleration of glacier shrinkage after 1985 indicates a transition toward rapid down- wasting rather than a dynamic glacier response to a changed climate I am unable to distinguish between ...
kc_nul's user avatar
  • 529
17 votes
10 answers
9k views

Why is global warming bad? [closed]

I had a discussion about this with my coworker. It appears that global warming (even up to +6K) has advantages: increased plant growth: increase in photosynthesis efficiency more water evaporation ...
avi9526's user avatar
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3 votes
4 answers
2k views

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 ...
SLD's user avatar
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2 votes
0 answers
47 views

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 ...
Tomasz Garbus's user avatar
1 vote
1 answer
191 views

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 ...
Bob's user avatar
  • 113
1 vote
0 answers
32 views

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 ...
user1889930's user avatar
1 vote
0 answers
15 views

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 ...
kc_nul's user avatar
  • 529
1 vote
0 answers
151 views

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.,...
Sebby's user avatar
  • 111
4 votes
2 answers
351 views

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 ...
DavidNyan10's user avatar
3 votes
1 answer
77 views

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 ...
kc_nul's user avatar
  • 529
4 votes
0 answers
214 views

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 ...
holmes's user avatar
  • 160
3 votes
1 answer
150 views

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 ...
Nobody's user avatar
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1 vote
0 answers
31 views

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 ...
mart's user avatar
  • 1,244
1 vote
2 answers
73 views

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 ...
Tfovid's user avatar
  • 111
0 votes
1 answer
110 views

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 ...
LatinSuD's user avatar
  • 109
5 votes
0 answers
99 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 ...
user1889930's user avatar
4 votes
1 answer
214 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 ...
qdinar's user avatar
  • 199
3 votes
1 answer
562 views

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 ...
user57467's user avatar
  • 401
1 vote
0 answers
46 views

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 ...
user avatar
7 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 ...
Alexis Wilke's user avatar
3 votes
1 answer
94 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 ...
bandybabboon's user avatar
  • 1,349
2 votes
0 answers
95 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 ...
Linkey's user avatar
  • 121
2 votes
1 answer
176 views

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 ...
nak5120's user avatar
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