Questions tagged [climate-change]
Questions about changes of the climate system, including questions about global warming.
476
questions
0
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0answers
9 views
Is the north pole melting faster than the south? Why?
Climate change and armed conflicts hot and cold war: " a new Tension Belt, roughly located around the Polar Circles, will arise. In the short term, this will focus more on the northern hemisphere.
...
1
vote
1answer
80 views
How would I simulate the effects of the Antarctic ice sheet being deleted on Earth's climate?
This is a follow-up to my question If its ice sheet were removed under modern atmospheric conditions, what climatic and ice-sheet equilibrium would be re-established over Antarctica?. As it has ...
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0answers
32 views
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 ...
2
votes
2answers
45 views
Has recent drop in airline flights over the US had a measurable warming effect as was found after 9/11?
I recall that after 9/11, when all US flights were canceled, there was a statistically detectable bump in average temperature. Something about jet contrails disappearing for 4 days. Has anything like ...
2
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0answers
25 views
Correlation of Global Stratospheric AOD with Global Mean Temperature Anomaly
I'm trying to understand at a high level the relationship of aerosols to the global temperature and I'm new to these concepts.
I have Stratoshperic mean global AOD data from:
https://data.giss.nasa....
4
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0answers
56 views
What is the radiative forcing change associated with the Chinese 2020 COVID lockdown, and how does this affect the circulation?
The lockdown imposed in China and other countries in response to the COVID 19 pandemic has resulted in a dramatic change in air quality. Factories and transport systems have shut or continue at ...
4
votes
1answer
60 views
Is lower tropospheric temperature relevant to measure global warming?
So according to this,
Global temperature update
Last month, the lower tropospheric temperature dropped 0.28 $\sf^\circ$C from February to March, which seems like a huge drop even if it's due to ...
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2answers
173 views
USA and UK government report on plane emissions: 200% difference… which is right?
The report's respective ratio of 1 passenger car vs one long haul plane are 40% versus 110%:
Image 1 (DEFRA):
car = 171 plane = 195 (110%)
Image 2 (EPA):
car = 4096 plane = 1760 (40%)
If the ...
-2
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2answers
206 views
How has the increase in global CO2 been attributed to an anthropogenic cause?
How has the increase in global CO2 been attributed to an anthropogenic cause?
It would seem to me that this could be definitively determined on the basis of placing gas spectrometers on the exhausts ...
4
votes
1answer
97 views
Would pollution really take a lot of years to disappear from the atmosphere once people stop producing them?
From a comment in another question here,
Oh, and a third factor: the added atmospheric CO2 does not magically
go away once all the fossil fuels are burned. It will stay in the
atmosphere for ...
4
votes
2answers
88 views
How do the slow and fast carbon cycles influence climate change?
I understand that the slow and fast carbon cycles are involved in the transport and storing of carbon, but how much of an influence do each of these cycles have on climate change, and how?
19
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1answer
6k views
Debunking scientific paper “Has global warming already arrived?”
I read the IPCC reports, I know global warming is happening and is man-made.
But as any skeptic should do periodically, I went to a few climate deniers websites and stumbled upon this peer-reviewed ...
3
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2answers
499 views
Is sea erosion the opposite of sea level rising (or rather, an adjacent phenomenon)?
Because I understand the mechanism of sea erosion as to take earth away from shorelines (and scatter it deep into the sea floor) and also to derive from climate crisis, I ask the following question:
...
4
votes
1answer
65 views
What would the average temperature be if there were no greenhouse effect from water vapor? [closed]
CO2, methane and other gases contribute to the greenhouse effect.
But most of the greenhouse effect is caused by water vapour in the atmosphere. There is always a lot average moisture present, but it ...
5
votes
1answer
108 views
Why does climate change generate desertification?
According to IPCC:
Climate change can be a significant driver of desertification and land
degradation and can affect food production, thereby, influencing food
security.
Source: IPCC
My ...
1
vote
0answers
68 views
How can we best objectively quantify climate change mitigation urgency? [closed]
Quantifying climate change mitigation urgency seems to have three aspects:
(1) Green House Gas reduction targets required to meet a specific goal such as 2C.
The first guesstimate seems to be zero ...
1
vote
0answers
37 views
Help in understanding this. Is this just an empirical observation on climate sensitivity?
I was reading this on realclimate.org.
My question on the below is this. Physics can tell you the radiative forcing of CO2, which is $\small\mathsf{5.35ln(Cnew/Cpreindustrial)}$. This tells you how ...
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vote
4answers
200 views
What exactly is a published climatologist?
I am trying to get Gallup to do a scientific poll of published climatologists to greatly strengthen the credibility of the 97% consensus.
This must start with very excellent formal definitions of ...
7
votes
2answers
193 views
How much heat was released from the 2019-2020 Australian bush fires?
How much heat was released from the 2019-2020 Australian bush fires? And is that likely to have a measurable impact on global atmospheric heat content?
Maybe as a secondary question: How much impact ...
4
votes
1answer
71 views
Which method is used to calculate tonnes carbon from tonnes CO$_2$ equivalents of GHGs?
It appears that all GHGs are first translated into Carbon Dioxide Equivalents (CDEs) and that calculation is fairly straight forward.
Many report in tonnes of Carbon instead of tonnes CDE. I am ...
0
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0answers
88 views
Has there been a record low temperature in Greeland in 2020?
According to this article ,
Greenland just set a new all time record low temperature
Adding to the list of temperature measurements those alarmists will
likely ignore āor wonāt even get to hear ...
4
votes
1answer
91 views
What is the second thermometer in the image from the Esperanza Antarctic temperature record?
Today, the Argentinian meteorological service tweeted about a new temperature record for Antarctica of 18.3Ā°C, made on the Espezanza peninsula. This was subsequently reported by many other sources.
...
2
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1answer
95 views
What are the affirmations regarding the effects of climate change that have a high degree of consensus amongst climate scientists?
I have seen ample consensus amongst reputable scientists that the earth is getting warmer, and this fact is due to human activity (e.g https://climate.nasa.gov/faq/17/do-scientists-agree-on-climate-...
7
votes
2answers
112 views
Hydro-meteorological hazards vs climate extremes
I always saw the definitions of "hydro-meteorological hazards" and "climate extremes" as almost interchangeable in the climate change and natural hazards literature. The other day I was discussing ...
4
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0answers
37 views
Climate modelling: statistical downscaling or dynamical?
I would like to assess climate change impacts on Protected Areas (e.g. natural reserves, national parks) for Mediterranean countries. I found easily future data from several Global Circulation Models ...
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3answers
192 views
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 ...
1
vote
0answers
74 views
Author's Name Of A Book On Bill Maher's Shelf [closed]
Could any of you, please, tell me who is the author of this book on Bill Maher's shelf? The book name is "Climate Science" and the cover color seems to be green. I looked for it on the Amazon website ...
13
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3answers
3k views
Why have “ozone-depleting substances” led to a third of all global warming and half of arctic sea ice loss?
According to the Phys.org article "Ozone-depleting substances caused half of late 20th-century Arctic warming, says study" (emphasis added):
A study published today in Nature Climate Change by ...
2
votes
0answers
55 views
Median earth temperature development in 20th century
Are there graphs with the median temperature development in the 20th century and if not, is there readily accessible data that can be used to calculate it?
Median is statistically more stable, at the ...
13
votes
3answers
978 views
How is global greenhouse gas emission calculated?
I am sure there are different methodologies to arrive at such a number. Can someone in layman terms describe some of the most widely used and trusted methods and what data are used? Sorry I am outside ...
1
vote
1answer
45 views
What is the global warming potential (GWP) of any gas over a 1 day time frame?
Since in 100 years, the global warming potential (GWP) of methane is 28-36, what will be the GWP in 1 day time frame?
Can it be calculated that way?
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0answers
77 views
Climate change: Human vs Natural [duplicate]
The planet has been warming for thousands of years. Human activity has accelerated the warming, but by how much? At some point in the future, without human intervention, the climate will have ...
1
vote
4answers
395 views
Can anyone explain the reason why CO$_2$ increases global temperatures (not the simplistic greenhouse analogy provided for public consumption)?
The greenhouse effect analogy of global warming is that atmospheric carbon dioxide CO$_2$ absorbs some of the infrared radiation emitted by the Earth, and redirects a portion of that radiation back ...
36
votes
6answers
10k views
Is climate change a vicious circle?
My question refers to the current process of climate change. CO2 is rising, which leads to the greenhouse effect, which raises temperatures. This leads to more wildfires, which reduces number of trees,...
0
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0answers
57 views
Time for water vapor to generate more greenhouse effect than latent heat?
I have an argument with a climate change denier.
He says the raise of water vapor in atmosphere causes a "much larger" cooling effet by taking vaporisation heat from the ground than the heat ...
1
vote
2answers
120 views
Could we control the weather with a disk in space?
There is recorded evidence from solar eclipses that the moon's shadow has a detectable weather effect.
If we placed a disk in space we could project a cold spot onto the planet and control it's ...
28
votes
11answers
10k views
Global warming - why doesn´t mankind collect heat (thermal energy) and turn it into electricity or send it to space?
Why doesnt mankind "collect" thermal energy (there has to be some way: thermal couplings, detour over chemical energy, whatever) and after it has been concentrated at one point, turn it to electrical ...
2
votes
2answers
294 views
Could pumping ocean water into desert areas help reduce sea level rise?
I have been reading the discussion about pumping sea water into the desert for purposes of irrigation and changing the dry climate of that area, but what about to just purely offset the rising sea ...
5
votes
4answers
334 views
Why are most effects of the predicted climate change negative?
Most of the commonly mentioned effects of the ongoing and predicted climate change are negative: more extreme weather effects, more destructive weather, more diseases, rapid extinctions, etc.
Why is ...
6
votes
2answers
459 views
Could Australia's bushfires aerosols actually decrease global temperature?
Given the vastness and intensity of the bushfires that have been going on in Australia for weeks now, to the point they are generating their own weather and having an impact thousands kilometers away ...
1
vote
1answer
146 views
How likely is Earth to naturally reverse climate change in the next 2 decades?
A new decade question: given that the āmini ice agesā were triggered by volcanic activity, how likely is it that we will experience similar levels of volcanic activity over the next 20 years?
In ...
1
vote
0answers
138 views
Equatorial Bulge and its implications on the climate
How much of the variance in the climate is due to the equatorial bulge and how much sun radiation do we lose due to the equatorial bulge?
I am interested in the variance both through time and ...
1
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0answers
72 views
Climate Change - finding solutions [closed]
My questions are: is there a significant, joint, worldwide, inter-disciplinary, scientific effort to study (brainstorm) possible solutions to climate-change?
If it does exist, in whatever form, does ...
2
votes
2answers
68 views
How much pollution would it take to stop global warming?
The global cooling hypothesis of the 1970s included the theory that aerosols lead to global dimming. That is, that pollutants reduces the amount that the Sun warms the Earth, causing the Earth's ...
0
votes
1answer
79 views
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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0answers
130 views
About climate sensitivity of carbon dioxide: today compared with PETM
Due to IPCC the climate sensitivity of COā very likely is 3.0 Ā± 1.5 ā for each doubling of the concentration of atmospheric COā.
Counting on earlier global warming using the Arrhenius formula [ĪT=Ī»Ā·...
9
votes
3answers
1k views
High albedo vs low albedo
Albedo is a measure of the amount of light reflected back by an object that is incident on it.
So, high albedo means that a greater portion of light falling on something is reflected back. This also ...
1
vote
4answers
197 views
In a zero carbon future but with increasing energy requirements would Earths oceans continue heating?
Weāve completely obliterated our reliance on carbon based fuels. All our energy comes from renewal resources or even fusion. Our energy requirements continue to rise. Taking this to a deliberately ...
15
votes
2answers
4k views
Why was there a negative temperature anomaly between 1950 to 1980?
If I understand the information from this link correctly,
Instrumental temperature record
between 1950 to 1980 there were negative temperature anomalies in the years of those decades.
(1950ā1959 ...
1
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2answers
119 views
Trends in atmospheric CO2
I plotted the atmospheric CO2-concentrations to see trends and wondered especially about the phase around 1600 in the plot which I find very interesting. Etienne Godin already told me some facts in ...
