Questions tagged [climate-change]

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

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96 views

Why is starting a minor nuclear winter considered an implausible way to combat global warming?

At a superficial level, it seems like we could exploit nuclear winter (the long-term aftermath of a nuclear war) to counterbalance climate change via global warming, and there are a few articles about ...
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2answers
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Would the climate still rise when we reduce our carbon footprint down to zero?

Every electrical device consumes electric energy and almost every one of them I can think of produces heat as a byproduct. This also applies on every kind of machine powered vehicle. Even our bodies ...
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What happens to all the shards of broken glass that get recycled? [migrated]

I searched for recycling glass and there are no results. https://www.chestercountyswa.org/DocumentCenter/View/1646/New-Mixed-Paper-Guidelines?bidId= What happens with the broken glass in the recycling?...
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30 views

How much of the Earth's surface was covered with water during the Mesozoic?

When the Earth was at its warmest, and there were no ice caps at all, not even during the winter, and thermal expansion meant a certain amount of water took up more space, what ratio of Earth's ...
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1answer
82 views

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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Forest fuel biochar burial

Record fires are blazing in the west coast, huge even compared to California's notorious summers. Dead plants and debris are crucial to get a fire started. This debris could be collected, carbonized, ...
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67 views

Dynamic of glacier retreat? (here: in Greenland)

During the last years I have taken many pictures of obviously retreating glaciers and empty moraines in Greenland - just like this one. Looks devastating, actually. In my understanding, the current ...
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8answers
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Could an icy/extremely-cold asteroid/comet ever strike and cool the Earth?

This is obviously an imaginary question, but it seems like something computable (which I don't have the mathematical ability to do so unfortunately). P.S. I do not have in-depth knowledge about comet/...
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39 views

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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47 views

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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60 views

Thunderstorm Frequency Depending on the Year [closed]

Why is it that some years have significantly more thunderstorms than others while other years have significantly less? For example, in 2008, there were 15 thunderstorm days in Asheville but above 40 ...
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3answers
56 views

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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2answers
202 views

Why is the creation of water from the combustion of hydrocarbons not listed as a cause for rising sea levels?

https://iopscience.iop.org/article/10.1088/1748-9326/aa8390 According to this paper, water is created by burning hydrocarbon fuels. It seems like a major thing to exclude from "reasons the sea ...
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4answers
189 views

Review of calculation of CO$_2$ contribution to warming

In a Swedish Facebook group for "climate change skeptics" Erik Larsen has shared his calculation of how big part of temperature change can be attributed to human emissions of carbon dioxide. ...
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2answers
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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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Using Enhanced Rock Weathering in the Sahel Region of Africa

A recent Guardian article "Spreading rock dust on fields could remove vast amounts of CO2 from air" has gotten some attention in the nongovernmental and UN organizations working in the Sahel ...
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1answer
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How does the act of producing animal feed from the leftovers of a process result in a negative carbon footprint? [closed]

According to this source, it is claimed that (emphasis is mine) At Arbikie Distillery in Angus, scientists claim to have developed the world's first "climate positive" gin. By using garden ...
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67 views

Why don't they use balloons in ocean as battery? [closed]

We need more batteries, to store renewable. But why don't they just pull down big balloons in the ocean and let them go up when they need the power?
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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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Raised Dew Point from global warming: will cool weather burning off (for fuel load reduction) get harder?

Dew appears to be a factor in fire behavior and management, slowing and extinguishing fires in cool conditions. Higher temperatures mean less dew. Given the importance of fuel reduction fires during ...
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1answer
70 views

Is there any animation to demonstrate if the sea level rise up?

I found a very cool video here: Draining Earth's oceans, revealing the two-thirds of Earth's surface we don't get to see https://www.youtube.com/watch?v=-uOwv_Krqk8&feature=emb_logo However, I ...
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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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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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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 ...
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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....
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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 ...
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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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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 ...
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216 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 ...
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1answer
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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 ...
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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?
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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 ...
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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: ...
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1answer
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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 ...
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1answer
111 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 ...
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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 ...
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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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4answers
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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 ...
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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 ...
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1answer
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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 ...
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1answer
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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 18.3°C, made on the Espezanza peninsula. This was subsequently reported by many other sources. ...
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1answer
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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-...
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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 ...
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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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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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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 ...
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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 ...
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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 ...
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987 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 ...
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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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