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Climate Change

Proposed Q&A site for climatologists, meteorologists, statisticians, and other scientists including students that study the science of climate change or work on atmospheric and oceanic global climate models.
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17
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6
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Merge the various geoscience proposals?

may 15 at 19:53 InquilineKea 446
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2
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Proposed scope change to Climate Change and Decarbonisation

may 6 at 17:56 Flimzy 578

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26 Example Questions (2 closed)

active oldest votes
up vote 11 down vote
How does global dimming work? How does it interact with global warming?
added by CrazyJugglerDrummer May 13 '11 at 12:32
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up vote 11 down vote
Which places on Earth are becoming colder due to climate change and why?
added by CrazyJugglerDrummer May 13 '11 at 12:32
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up vote 11 down vote
What are the major anthropogenic sources of greenhouse gases?
added by EnergyNumbers Jun 25 '11 at 13:32
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up vote 10 down vote
Are humans responsible for global warming?
added by Henry May 11 '11 at 16:12
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1  
I'm curious to know why this would be off topic. If it's because of the ethical interpretation of the word responsible, then it's definitely off topic. But if it's because "there is no answer", then that would shut out many climate change questions, including non-controversial ones. Or maybe there's another reason. – Deditos Jun 1 '11 at 12:05
4  
I'd say that a question phrased a bit different would be on topic, but this is too simplistic a question as stated. If it was 'What are the links between human activity and global warming' that might be more appropriate. – rsg Jun 1 '11 at 14:01
1  
Yes, it's very broad, so would require a (too) long answer. – Deditos Jun 2 '11 at 12:24
2  
How on earth can this possibly be considered "not constructive" or off topic. The question is simply about the the identity of the agent behind recent global warming, which is the subject of (very active and high quality) scientific investigation that has produced a richly documented answer. – raxacoricofallapatorius Oct 28 '11 at 15:12
1  
Surely such a question would have more detail in a real site, and if not, clarification could be asked for? – naught101 Feb 6 at 7:16
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up vote 10 down vote
Is there an open source atmospheric GCM with Python bindings or scripting, or a C interface that could be used with Python ctypes?
added by Henry May 11 '11 at 22:23
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I don't know about the license, but clearclimatecode.org might be a good place to start – naught101 Feb 6 at 12:33
up vote 10 down vote
Is sequestering carbon on the bottom of the ocean using controlled algae bloom an effective solution to global warming?
added by CrazyJugglerDrummer May 13 '11 at 12:35
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up vote 10 down vote
How do changes in solar output influence the global climate?
added by rsg Jun 1 '11 at 13:59
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up vote 9 down vote
What regulatory mechanisms exist or are proposed that could reduce carbon emissions internationally?
added by rsg May 26 '11 at 16:27
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Surely this is a politicial economy question, and thus outside the current (physical science-based) site definition? Perhaps "Climate Change" is a bit ambiguous? "Climate Science" would better fit the current definition, and would also fit better with the proposals to merge with other geoscience sites, however, this might contradict the proposal to merge with green energy – naught101 Feb 6 at 7:22
up vote 8 down vote
Is there any evidence that the climate sensitivity is greater than 5°C?
added by Deditos Jun 2 '11 at 12:36
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1  
I'm interested to ask a variety of questions related to deviations from the IPCC scenarios. The is lots in journals about potential major system shifts due to events, like large ice sheets breaking off. – AlanSE Feb 8 at 16:28
Probably a better wording for this question is something like "what's the predicted likelihood that climate sensitivity is greater than 5°C?" – naught101 Mar 7 at 1:02
up vote 7 down vote
What is the average person's biggest contribution to climate change?
added by rsg May 27 '11 at 11:22
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up vote 7 down vote
How does the IPCC calculate that CO2 has a residence time of 5-200 years in the atmosphere, and why is the range so large?
added by Abe Oct 5 '11 at 23:10
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2  
This is my favorite question out of all that I've read. – AlanSE Feb 6 at 20:57
Good question, it is something that is often misunderstood. The answer of course is that it doesn't! – Dikran Marsupial Mar 2 at 12:47
@Dikran it does, for example a range of ~2-175 is used in note (a) under table TS2 – David Mar 3 at 1:34
2  
No, that note refers to the adjustment time, not the residence (turnover) time, see the definition of "lifetime" in the glossary (page 948), where they give a turnover/residence time of 4 years and approx 100 years for the adjustment time. See also dx.doi.org/10.1021/ef200914u – Dikran Marsupial Mar 3 at 18:36
up vote 6 down vote
Approximately what percentage of global warming in the last century is attributed to human influence? What other sources are attributed?
added by naught101 Feb 6 at 12:30
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1  
Good alternative to the other one that simply asked if climate change was man-made. – AlanSE Feb 6 at 20:58
up vote 3 down vote
The Stefan–Boltzmann law says that warming will shift earth's blackbody radiation spectrum. How big is this effect?
added by Abe Oct 5 '11 at 23:17
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up vote 2 down vote
What's the difference between climatology and meteorology?
added by CrazyJugglerDrummer May 13 '11 at 12:33
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1  
I think that's a general-reference question, which SE sites generally discourage / close / delete – EnergyNumbers Oct 11 '11 at 9:48
3  
This is an critical and highly relevant question. Many people seem confused about this difference and about how to weigh claims of meteorologists in discussions about climate change. – raxacoricofallapatorius Oct 28 '11 at 15:09
up vote 2 down vote
How does climate model resolution affect predictions (eg. mean prediction, uncertainty, specific outputs)
added by naught101 Feb 6 at 7:32
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Huh. Would be interested to know the reason for the downvote here.. – naught101 Feb 9 at 7:58
1  
I agree. This is a very relevant question, and this has been answered for specific models but I am not aware of a general solution. – David Mar 3 at 1:38
1  
+1 I agree this is a perfectly reasonable and potentially interesting question. As this is not the only one of naught101's reasonable questions that has been downvoted, I suspect that someone has been votong on a basis other than the scientific merits of the question. Sadly this kind of thing is rife in discussions of climate change. – Dikran Marsupial Mar 3 at 17:35
up vote 2 down vote
What was the highest reliably recorded temperature on Earth? What statistical nature of future record temperatures can we expect?
added by AlanSE Feb 16 at 18:57
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up vote 1 down vote
How do political considerations manage to over shadow actual scientific results? [closed]
added by Larian LeQuella Aug 26 '11 at 15:26
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closed as not constructive by EnergyNumbers, Dori Oct 11 '11 at 5:40

This question is not a good fit to our Q&A format. We expect answers to generally involve facts, references, or specific expertise; this question will likely solicit opinion, debate, arguments, polling, or extended discussion.

3  
This is meant to be an example of a question that could be considered argumentative. – Larian LeQuella Oct 7 '11 at 13:11
1  
However, real science is affected by politics, and it's a valid question (even if it's not worded in the best way). Where would a question like this belong? on a philosophy of science SE? – naught101 Feb 6 at 7:26
up vote 1 down vote
What is the sea level rise contribution from water vapor from combustion reactions?
added by AlanSE Feb 8 at 16:25
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up vote 1 down vote
What satellites/datasets are the most useful for studying the effect of sea ice change on climate change?
added by Jennifer Davis Apr 25 at 4:43
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Interesting question. Do you mean studying the effects of climate change on sea ice, or something like albedo feedback effects? Or are there drivers of sea ice change other than climate change? – naught101 May 17 at 9:34
up vote 0 down vote
I want to become a meteorologist, what topics should I study in high school? [closed]
added by CrazyJugglerDrummer May 13 '11 at 12:34
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closed as off topic by EnergyNumbers, Dori Oct 11 '11 at 5:42

This question does not relate to the topic of the proposal.

Why is this off-topic? Seems like a great question. If it's because it's meteorology and not climate science, that's a bit harsh in this case, since you'd study more or less the same things (Also for the first couple of years of University!) – naught101 Feb 6 at 7:28
Of course, it might fit better in the meteorology proposal – naught101 Feb 6 at 12:19
up vote 0 down vote
What's the best way to counter those who would spread FUD about manmade climate change for their own benefit (eg. oil companies)?
added by clupert May 29 '11 at 17:12
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This would only fit if the scope were widened significantly. Can also see potential for this causing massive arguments. I think it would be better to stick to the physical sciences, and leave politics out of it. (climate/environmental politics might be a good separate site) – naught101 Feb 6 at 7:24
1  
I agree about sticking to the science; introducing politics and motivation into the discussions is a recipe for ill tempered partisan squabbling, and there is already too much of that in the debate on climate. It is a reasonable question, but probably better suited to another venue. – Dikran Marsupial Mar 3 at 17:38
up vote 0 down vote
What's the difference between a climate model and a climate impact assessment model?
added by EnergyNumbers Oct 11 '11 at 9:45
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up vote 0 down vote
Are there viable geo-engineering methods to sequester seawater to combat sea level rise?
added by AlanSE Feb 6 at 21:02
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2  
that is amusing! – naught101 Feb 7 at 6:27
Interesting question though. And, with the onset of space-mining, perhaps lugging water into space to balance out the total mass would be a solution to two issues =) – mkoistinen Apr 26 at 18:10
haha, energetically, I think it would be fairly easy to show that lifting sand from the bottom of the ocean and dumping it in Canada would require a lot less work. – AlanSE Apr 26 at 20:16
up vote 0 down vote
Do climate model-based predictions include the effects of stochastic events, like volcanic eruptions? if so, how?
added by naught101 Feb 7 at 6:21
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1  
I don't know why this was downvoted, it is a perfectly reasonable question regarding the operation of GCMs – Dikran Marsupial Mar 2 at 12:50
Considering 5 of my questions on this proposal, and some on other proposals, all got down voted within a few minutes of each other, I think it's because I annoyed someone :D – naught101 Mar 2 at 14:12
up vote 0 down vote
Are there GCMs that are coupled with social models? eg. models of urbanisation, fossil fuel use (eg. transport, efficiency), land use change, etc?
added by naught101 Feb 7 at 6:24
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1  
I would upvote this if I had any votes left. It isn't an unreasonable question. – Dikran Marsupial Mar 3 at 17:48
up vote 0 down vote
I'm trying to compile [climate model], but I'm getting [error]. Help!
added by naught101 Mar 14 at 4:54
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