Questions tagged [climate-change]
Questions about changes of the climate system, including questions about global warming.
3
votes
1answer
58 views
When sea level rises, does the increased ocean area cause the earth to cool down somewhat?
When the sea level rises, more of the planet's area is watery and less of it is land. Does this change in surface condition result in a change in global warming, such as a decrease in the net ...
7
votes
2answers
10k views
Why do climate experts from the UN/IPCC rarely mention Grand Solar Minimum?
I've read many papers about Grand Solar Minimums and Glassberg Minimums, known to science for very long time, studied and monitored with much of our Public Funds. History shows solar activity is the ...
0
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0answers
20 views
How to plot the data only inside the polygon in matlab? [on hold]
We can plot data with polygon in matlab as
...
0
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0answers
21 views
Physics student looking for good modern literature reviews on global ecology [on hold]
I'm a nature-loving physics student looking to get into ecology. I'd like to understand as much as I can about modern problems in ecology such as the effect of climate change on atmospheric ...
4
votes
1answer
133 views
What are the ranges of natural (or pre-industrial era) levels of CO2 in the atmosphere in ppm and tons?
Are the levels of natural (before the industrial revolution) levels of CO2 and ppm known? Also as a related question, should the "natural" levels be considered before the industrial revolution or ...
-2
votes
1answer
83 views
Do HAARP-like programs have effects on climate? [closed]
Military powers like USA, Rusia and China have programs to heat through electromagnetic waves the Ionosphere. HAARP supposedly is a research program, but run by part of the military of US (Air Force ...
8
votes
1answer
124 views
Which percentage of $\text{CO}_2$ emissions are human made emissions?
I was watching a science/myth Youtube channel (science mixed with a lot of speculative/fantasy content) with 2M+ followers and the Youtuber said volcano made emissions were higher than human made ...
4
votes
1answer
38 views
Waterlevel increase calculation
So I tried to calculate the rise of waterlevel myself. But the results I have gotten seem to be pretty low:
Given the earths radius, I clalculated different Events:
1) If all landice melts there is ...
6
votes
1answer
102 views
How much could Earth's temperature increase by the time we run out of oil reserves?
According to this article How long will world's oil reserves last?:
At the current rate of extraction oil reserves will last 53 years.
And according to this another article, Global temperature - ...
3
votes
1answer
71 views
Is there consensus amongst climatologists that cold weather extremes are caused by global warming or human influence?
Is there consensus amongst climatologists that cold weather extremes are caused by global warming or human influence?
I hear the claim a lot that the recent cold weather extremes (such as the polar ...
5
votes
1answer
79 views
If US emissions went to zero how long until global emissions reach current levels
Given the current global CO2 emission trends, if the US overnight magically went to zero emissions (without affecting worldwide emissions), how many years until global CO2 emissions return to exactly ...
1
vote
1answer
78 views
Are we at the beginning of a Heinrich Event?
Does our current weather trend properly reflect a Heinrich Event? It seems like the drastic weather swings are what I would expect but I realize that is not definitive. I don't see the term bandied ...
4
votes
1answer
91 views
Would more or less land be usable if global temperatures rose?
I think a large portion of the earth's land is unusable from being too cold and land that is too hot does not have enough water and dries out which could be fixed by diverging water to those areas.
...
9
votes
1answer
232 views
Unstable North Polar Vortex?
What would cause a polar vortex to become unstable a split into 3 smaller ones? How rare is this and what long term effects could this cause if the vortex stays unstable?
http://www.severe-weather.eu/...
10
votes
1answer
3k views
Does this peer-reviewed study (referenced in Forbes) contradict the accepted position that climate change is real?
This Forbes article from 2013 (archive link here) with the headline "Majority Of Scientists Skeptical Of Global Warming Crisis" gets brandied around a lot. It states that
Only 36 percent of ...
34
votes
6answers
8k views
Is the sea level rise unusual?
I'm discussing climate change with a friend who is a climate change denier, basically the argument is that looking at this graph, is not clear that something unusual is going on, so the sea level rise ...
4
votes
1answer
36 views
Are there any consequences to carbon capture and storage that also sequesters oxygen?
A big argument for carbon capture and storage is true reversal; while switching to renewable energy and eliminating CO2 emissions is a must, it will not reverse the massive movement of carbon from ...
6
votes
1answer
61 views
What is the relevance of Arctic coastal erosion to the Earth's climate?
Due to global warming and Arctic amplification, Northern Hemispheric permafrost is thawing and becoming a source of carbon and many greenhouse gases, which then positively feedback to global warming ...
3
votes
1answer
47 views
Weather conditions to create significant glacier growth
I am fascinated at the rapid growth of Glacier Bay Glacier from 1600 to 1750, along with its rapid retreat from 1750 to 1900. I am interested in the local weather conditions during these times. What ...
1
vote
3answers
38 views
Where can I download recent precipitation data for Cape Town
I need data on monthly precipitation for Cape Town between 1970 and 2018. I found this page: http://cip.csag.uct.ac.za/webclient2/datasets/
But it only seems to offer information until 2000.
It's the ...
3
votes
1answer
83 views
Is it possible to create ice in poles? [closed]
Is it possible that human can built under the poles a controlled system to create again artificial icebergs? In order keep tight the melting ice and reduce the sea level? Can this system impact the ...
1
vote
2answers
127 views
Why is a future increase in solar luminosity by 10% supposed to have disastrous consequences for life on earth when the last 30% did not?
One remarkable thing about the climate history of earth is that despite the fact that solar luminosity was fully 30% lower in the beginning, temperatures were actually quite close to today. Since then ...
2
votes
2answers
39 views
where to download NASA-NEX daily downscaled datasets?
I'm looking to download a small geographic area of the CMIP5 models part of NASA-NEX dataset. Previously I relied on the Planet OS OpenNEX GDDP website which had a great tool for selecting geographic ...
5
votes
2answers
56 views
Are plastics a carbon sink and how much carbon is released to the atmosphere making them?
If we were to make some technical jump to renewable fuel and renewable energy, would making plastics from oil release green house gasses, how much, and would plastic function as a carbon sink?
Sorry ...
6
votes
3answers
93 views
Could the current climate change events cause long-term problems in the viability of Earth to sustain life?
There are a lot of reports on the consequences of climate change for the relative short term. From what I understand, in the next 100 years or so, we will face:
global floods of coastal areas, ...
1
vote
1answer
56 views
Does a climate change big data provider exist? [closed]
Does a big data provider (Like a Bloomberg, which is the world's leading financial data provider) exist which includes ALL the possible informations and parameters about climate change or in general ...
2
votes
0answers
62 views
Which software is easiest to use to create plots like these? [closed]
There seems to be many options for a single problem, but each with different approaches and complications, and that makes is confusing and time consuming for this beginner to work out which to use. I'...
1
vote
0answers
28 views
Seeking CMIP5 or CMIP6 globally in .nc format
Is there in some ftp storage, a pre-processing CMIP5 data for direct download in netcdf extention?
6
votes
1answer
185 views
Tipping point theory, historical examples
This article gives a wonderful overview of tipping point theory, where a large system can be brought into a different state by a small perturbation.
Searching online I have found mostly articles on ...
2
votes
1answer
46 views
How much net carbon can coral sequester?
So I am wondering how much carbon any given coral can sequester given that carbon dioxide dissolves in water and forms carbonic acid, and coral uses that carbonic acid in their own calcification ...
1
vote
0answers
75 views
What are the environmental effects of leaking hydrogen from large-scale energy storage mechanisms?
I recently have calculated the total cost of an energy system that is based on wind power as the primary power source and hydrogen as the energy storage mechanism. The total system costs are ...
5
votes
1answer
79 views
Technical term for percentage of CO2 remaining in the atmosphere
I have a theoretical exercise where I calculated the amount of CO2 that is released to the atmosphere per year (4.6 ppm). We assume that the relative increase of CO2 is 2 ppm, hence the percentage of ...
7
votes
1answer
77 views
How can half a degree of average temperature result in such devastating impact on coral reefs?
Yesterday I read a number of news stories about the new IPCC's (International Panel on Climate Change) report regarding the current state of global warming. It reported that we are on track for ...
6
votes
2answers
80 views
Will a country that cares for its environment be affected by climate change due to other countries' activities?
Let's say my country is very environment conscious, has lots of trees and animals, protects the forest, uses clean/green energy, and has all kinds of environment friendly policies you can imagine. ...
0
votes
1answer
138 views
Over which surface will the albedo changes due to clear and overcast skies have the greatest impact?
With respect to climate change, will the changes in albedos due to clear skies and overcast skies have the greatest impact on incoming solar radiation over ocean, sea ice, or land?
My thoughts:
On a ...
1
vote
0answers
20 views
Clarification: Effective temperature, emission temperature, and effective emission temperature
This terminology is quite confusing to me. Are effective temperature, emission temperature, and effective emission temperature the same thing? Where does this occur, at the surface, or at some ...
2
votes
0answers
58 views
Optical Thickness of the Atmosphere
Homework question:
Show that the absorption optical thickness of the atmosphere
at pressure $p$ (i.e., between $p$ and the top of the atmosphere) as a function of the mixing ratio
of the ...
4
votes
0answers
72 views
Do man-made machines take natural Nitrogen out of the atmosphere and in turn cause global warming?
I read in Wikipedia that, "Natural Nitrogen, Dinitrogen forms about 78% of Earth's atmosphere. Dinitrogen is the most abundant uncombined element in the atmosphere."
Do man-made machines destroy the ...
4
votes
0answers
36 views
How is the vertical distribution of water vapor changing?
In this publication about data assimilation and observations (paywall alert) in the chapter General Concepts in Meteorology and Dynamics (by Andrew Charlton-Perez, William Lahoz, Richard Swinbank, ...
3
votes
0answers
39 views
How Warm would the Earth have to get for any crops to grow in the Antarctic Peninsula/South Orkneys
I found some little silly speculation about settling Antarctica when it warms up, and I wanted to know the minimum amount the world would have to warm up in order for just the most equator-ward ...
7
votes
2answers
145 views
Does Earth risk losing its oceans to space due to global warming?
I read that we are facing the very real possibility of Earth's average temperature rising by more that 2 degrees Celsius by the end of the century.
As I understand our planet is constantly loosing ...
1
vote
1answer
79 views
Could glacial melt alter plate tectonic movement?
Let's say some event caused runaway glacial melt, and removed half of the ice currently locked away in specific areas of the planet. Would the significant weight changes on various plates and fault ...
6
votes
1answer
104 views
Geological evidence about climate change: has there ever been a period with a rate of climate change as great as it is today?
Most statistics about climate change are based on climate data over the last 150 year (as long as records have been kept). This seems irrelevant in terms of the geological time scale of temperature ...
5
votes
2answers
559 views
How would Earth map look like if all ice melts?
Is there somewhere a map which indicates which areas and cities become sea?
1
vote
1answer
85 views
Equations for Global Temperature Models
I'm a volunteer for 350, a grassroots organization that is fighting against climate change through education and advocacy. We're all volunteers, not climate scientists, and I'm looking for some ...
2
votes
1answer
64 views
What was the percentage of land mass in prehistoric times when temperatures were high enough that we had no ice caps?
I grew curious after watching a presentation about the large creatures of prehistoric times. One of the theories cited about why creatures were so big was the increased oxygen in the atmosphere due to ...
40
votes
3answers
8k views
How do 'greenhouse gases' let heat in, but not let it out?
That honestly doesn't make any sense to me. How could heat pass through a gas one way but not the other? Its not like our upper atmostphere has a bunch of doors that can only open one way. To me, that ...
4
votes
1answer
89 views
Was climate change inevitable anyway, or is there more to it?
Climate change is now one of the greatest challenges facing humanity, but it seems that we have been here before; if we look at the world's climate over a much longer period than 150 years.
During ...
1
vote
1answer
61 views
Intuition on overall effects from climate change under different levels of warming
I am not a climate scientist, but I have been reading climate literature lately for my own education. Much of it discusses various effects that could be expected with different levels of warming, ...
1
vote
0answers
26 views
Relationship between Earth's heat dispersion rate (average surface air temperature from summer to winter time) and greenhouse gases
What is the most effective way to study global warming and the role of greenhouse gases using a methodology based on analyzing the Earth's seasonal variations (summer-winter) of the temperature of ...
