Questions tagged [climate-change]

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

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2answers
2k views

What is the difference between climate change and global warming?

1. Question: In the article, Global Warming vs. Climate Change is an example of the confusion regarding these terms. What are the "official" definitions of "Climate Change" and "Global Warming"? ...
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624 views

Relationship between natural disaster and global warming, in the media

Sorry in advance if this is too broad a question. Feel free to let me know if it is off-topic. I don't know more than the next person around about climate change, but I am really not a climato-...
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48 views

What regions of the US will have *improved* climate given current predictions of climate change?

This is really a two part question: 1) Is there a good model for mapping climate conditions in a particular location to pleasantness or livability or something like that? 2) If there is such a model,...
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Could we plant enough trees to offset greenhouse gas emissions? [duplicate]

In 2014, the world emitted 10 billion metric tonnes of carbon dioxide. A 50 year old oak tree forest sequesters 30,000 pounds of CO2 per acre. At that rate of sequestration per acre, offsetting all ...
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1answer
1k views

Simple Climate Models that Predict Climate Change

I have a physics/maths background, and to me the most convincing evidence of a scientific fact is often a very simple model that gives reasonable results. A simplified model, which you can fully ...
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Why is the temperature *still* rising?

2015 is the hottest year on record, and the average temperature continues to rise. I don't understand why this continues, as (over the past twenty years) so much work was put into reducing Global ...
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2answers
88 views

Is the impact of carbon emision dependent on the location on the earth?

While I was reading how the EU taxes aviation companies based on carbon emissions it occurred to me that the effect of carbon emissions on global temperature etc. may depend on where the carbon is ...
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1answer
351 views

Effects of global warming on drought in India

Is there an intuitive explanation for non-specialists why India is projected to experience a decrease in drought (= increase in PDSI) due to global warming, unlike most areas at the same latitude(s), ...
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1answer
99 views

Is the Arctic ice dissapearing faster than IPCC models say?

Are observations of Arctic sea ice in accord with what the IPCC forecasts says they should be? And as such is the ice reducing in an exponential or linear way? For instance, from https://www....
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50 views

What will happen to the tropical rainforest when climate increases by 5°C?

Today's most likely outcome regarding climate change is between +3°C and +6°C. My guess is at least +5°C. Has anybody found some papers indicating the average increase at the equator and a prognosis ...
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1answer
90 views

Building massive seawall around endangered Islands like Mauritius to save from climate change [closed]

Would it be possible to build a massive seawall, say maybe even made from metal that could rise as the sea level rises to prevent being erased? I am not considering costs here, nor beauty, only if ...
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3answers
333 views

Did climate cool down when underground hydrocarbons stocks formed?

As far as I understand, the dominant theory of modern climate change says that recent warming is mainly caused by the massive burning of hydrocarbons that used to be stored in solid form mostly ...
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1answer
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Why is carbon pollution given more importance than Sulfur pollution or Nitrogen pollution?

Nitrous oxide ($N_2O$) - primary greenhouse gas Carbon dioxide ($CO_2$) - primary greenhouse gas Methane ($CH_4$) - primary greenhouse gas, explosive Nitrogen monoxide ($NO$) - secondary greenhouse ...
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Next Ice age may be unavoidable

During the warm period before the most recent ice age, 120,000 years ago, roughly half of the Greenland ice sheet melted.This is thought to have been the cause of the last ice age. Question: If this ...
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Axial Obliquity and Climate Change

The Wikipedia page for Earth's Axial tilt says: Earth's obliquity oscillates between 22.1 and 24.5 degrees on a 41,000-year cycle. It is currently 23.44 degrees and decreasing. My Questions are: ...
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1answer
76 views

Which CMIP5 models give the highest and lowest warming for RCP8.5?

Question is in the title. I'm doing impacts research and need to pick a couple of scenarios before downloading GCM runs. Want to pick a low one and a high one and one in the middle of the road. I'm ...
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3answers
376 views

Do solar panels reduce the amount of suns rays reflected back into the atmosphere ? Therefore reducing global warming

The way I understand the basics of global warming is we are putting to much Co2 into the atmosphere which increases the size / density of atmosphere shell, sun rays enter the atmosphere then there is ...
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1answer
770 views

Is it possible to forecast ocean salinity 100 years into the future?

Paleosalinity is measured by chloricity of pore fluids (Adkins 2002). Current data are provided by the CORA dataset. In addition to answers to the main question, there are a few more points I'd like ...
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In which ways is soot the perfect absober of infrared and the absorber of ultraviolet?

In other question we've been discussing factors of the nuclear winter effect, soot among them. In this one I'd like to narrow the list down to soot, more precisely to ask about its ability to absorb ...
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1answer
63 views

Were there any plans or proposals for “unilateral geoengineering deployments” before this paper was publsihed?

I saw the catchy Phys.org news title Artificially cooling planet 'risky strategy,' new research shows and then looked at the open access article, in Nature Communications (14-Nov-2017 online) Impacts ...
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1answer
137 views

Can Volcanic Eruptions Help Combat Global Warming in the Long Run?

I've been reading about volcanic eruptions on wikipedia, and I've found that very big eruptions cause the earth's temperature to drop by a small fraction of a degrees Celsius due to the ash it ...
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635 views

Will global warming lead to agriculture in the Arctic?

From what I understand, global warming will make growing food a lot harder in areas like the American Midwest because temperatures will become too high for most crops. At the same time, Arctic (and ...
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1answer
106 views

Educational book on science of climate change with action items?

I originally posted this over on Sustainability.SE and someone suggested I try asking over here. Can anyone recommend a book or books, intended for a non-scientific audience, which covers some (or ...
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1answer
97 views

Is evapotransporation accounted for in climate models?

Is evapotransporation accounted for in climate models, or is it considered so insignificant that it's not considered? Could additional crops being planted within the last 100 to 50 years account ...
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87 views

What are the arguments FOR Climate Change influenced by the drifting of Geomagnetic Poles? [duplicate]

*Over some years I was hovering over the developments of the ESA SWARM mission and probing random magnetometers from the Russian-Ukrainian observatories as a private researcher and a non-scientist. I'...
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Can volcanos change the climate?

I have heard politicians claiming that volcanoes are the sole cause of global warming and using so called "NASA data" to show that the Earth is actually cooling instead of warming. While the nature ...
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Is there any experiment to prove that CO2 with the atmosphere concentration can have greenhouse effect?

All gas molecules have the capability to absorb radiation energy. $\rm{CO}_2$ has much less capability to absorb radiation energy, comparing with water vapor. In Earth's atmosphere currently $\rm{CO}...
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1answer
43 views

'Forcing' in PDSI Calculation

I'm new to climate science - starting to get familiar with the field by reading some published articles. Terminology is always hard when starting into a new domain. In this paper, Dai - Increasing ...
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Do surface temperatures at lower latitudes continue to correlate with frequency of noctilucent clouds in the arctic stratosphere?

I saw this image in this answer to the question Noctilucent clouds and anthropogenic climate change which was listed as related to the question “New” cloud types: Can they be used as markers for ...
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1answer
100 views

Cooling film area to undo global warming

It is estimated that only 100 square miles of solar panels could completely satisfy the United States demand for energy. This got me thinking: A cooling film developed at UC Boulder claims it can ...
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1answer
129 views

Is the Mauna Loa CO$_\mathsf{2}$ record affected by the nearby mantle plume?

How is it possible that Mauna Loa Observatory is the International Reference Observatory for CO2 Global Measurements if it is placed above the most important earth thermal plume that is heating the ...
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1answer
72 views

Are Earth´s interannual global climate variations affected by other bodies in the solar system and their evolution?

Are fluctuations like El Niño and La Niña entirely independent of outside influences such as the gravitational effects from other planets, variation in solar output, etc?
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Why has the average low for the hottest months in Clearwater Florida about 5 degrees higher than the historical average?

Look up Clearwater Florida on Wikipedia and it gives you the average low for the Months of July and August as being 74.2F. About 3-4 years ago I picked up running as a main hobby and the temperature ...
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How is OLR power of the atmosphere distributed with altitude?

The OLR (outgoing longwave radiation) from the top of the atmosphere to space is composed of radiative energy emitted by the atmosphere at all altitudes, as well as the surface. How is the radiative ...
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3answers
4k views

How will sea level rise be distributed across the globe?

Sea level rise from melting glaciers will not be uniformly distributed across the globe. However, it isn't clear to me what places will have the most and least extreme changes in sea level rise. I ...
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2answers
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Are greenhouse effect and ozone depletion correlated?

I have read that these phenomena do not have an interaction. However, I would think if CFCs cause the ozone layer to thin, and more UV radiation enters the Earth system, the Greenhouse Effect would ...
3
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1answer
194 views

Making sense of the math of climate change

Let me state upfront, I'm not arguing the existence of climate change, just trying to clarify my own understanding of something that doesn't make sense to me yet. With apologies for the layman's ...
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1answer
592 views

Hypothetically, would digging a big trench from the ocean and flooding desert areas be a bad solution to combatting sea level rise? [duplicate]

My question is basically the title. Ignoring most of the feasibility of the enormous engineering and earthmoving requirements (I guess I mean to say, given an unlimited budget) in very hot areas, ...
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285 views

Is non-randomly-sampled historical data representative?

I'm a global warming skeptic, and one of my concerns is the accuracy of historical global temperatures. Since these temperatures weren't sampled at random locations or gridded points, can they be ...
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Could this study “totally dismantle” Global Warming claims?

Could this study "totally dismantle" Global Warming claims? That's the assertion made in the article ‘Bombshell’ climate-change study could totally dismantle the claim humans are causing global ...
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858 views

Why are CO2 sensors so expensive when CO sensors aren't?

Please excuse me if Earth Science is not the correct place to ask this question. I read a New York Times article about increasing CO2 levels in the atmosphere: "Carbon in Atmosphere Is Rising, Even ...
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Is there a formula to calculate shoreline length or water position from ocean?

Assuming in the past the water of the oceans were lower does it also mean that the water was not where it is right now?
 If yes, then how do we calculate approximately where the water would have been ...
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Good practices and pitfalls when fitting models $y = f(weather)$ and predicting $\hat{y} = \hat{f}(GCM)$

I've got a phenomenon of interest, $y$. It is determined in large part by the weather. Naturally, one becomes interested in what climate change may do to $y$, so one fits a model of the form $y = f(\...
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What is the “global mean surface temperature change estimate” an estimate of?

NASA publishes what it calls an "estimate" of the Earth's global mean surface temperature. Digging through papers I've been able to find some documentation of how these numbers are computed, but I ...
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5answers
1k views

Academic but accessible defense of the scientific understanding of anthropogenic climate change?

I'm an intelligent and well-educated guy, but all of my schooling has been in economics, statistics, and public policy. I'm interested in reading a thorough explanation/defense of the scientific ...
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1answer
112 views

Are there datasets like the global land-ocean temperature index for land surface temperature only?

I have no background in climate science, but I've become interested in explanations of the so-called "global warming hiatus" from 1998-2013. One explanation that people seem to think is convincing ...
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Why is it good scientific practice to 'build' a 'control Earth' from models, and where else do we 'build' controls?

Usually, when data is collected in an experiment, scientists have a control. Experiments are seen as flawed without controls. I am just curious as to where else scientists have 'built' controls using ...
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0answers
105 views

Are there any energy budget diagram showing separate day/night and summer/winter values?

I particularly like the classical energy budget diagrams like that produced by Trenberth et al in 2009. They are simple to understand and show all the various heat transfer mechanisms operating on the ...
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What would be the effect of bringing seawater pipes to the Sahara desert?

This is a childhood dream. What would happen if pipes were installed (similar in principle to the Great Man-Made River, but for seawater) to continuously pump seawater into the Sahara desert. Let'...
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2answers
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Are there anti-greenhouse gases?

The Greenhouse Effect can be described semi-formally as follows: With no atmosphere, virtually all of the heat received by the Sun would be radiated back into space at night. This can be seen on the ...