Questions tagged [climate-change]
Questions about changes of the climate system, including questions about global warming.
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Could the recent temperature anomalies in the arctic be used as a proxy measure of global heating?
Because the arctic temperature record would probably not require any of the climategate urban heat island adjustments it would seem to definitively sustain that global temperatures are significantly ...
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1answer
164 views
By what objectively correct process could we determine the truth about the actual severity of anthropogenic climate change?
I began to do the best that I could to boil the key facts down to the most basic essence of proving significant anthropogenic climate change:
(1) It is a verified fact that since 1959 CO2 increased ...
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0answers
40 views
download NASA Earth Exchange Global Daily Downscaled Projections for single lat lon
I have a lat lon - 23.14, 83.14 and I need to download the NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) data from the below website only for this lat lon.
https://dataserver....
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0answers
83 views
Is there any climate science explanation for this graph besides severe anthropogenic heating? [duplicate]
Since 1950 surface temperatures have risen significantly even though the total radiant energy from the Sun has been decreasing over this same period. To the best of my current understanding as long as ...
4
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0answers
57 views
Is this description of the effects of global warming supported by scientific research?
I found the following web-page which contains a dramatic degree-by-degree account of how climate change could play out in the future: http://globalwarming.berrens.nl/globalwarming.htm. It is more ...
3
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2answers
163 views
How reliable would measuring global heating from satellite be?
Some anthropogenic global heating (AGH) skeptics deny that any global heating is occurring. I figured out a way that could be used to refute them. A weighted average of all of the thermal points on ...
6
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2answers
98 views
What caused peak CO2 to rise, starting about 400,000 years ago?
This question assumes the accuracy of this (and similar) charts.
Source of image.
From the image, CO2 peaked at about 260, perhaps 265 ppm during the interglacial periods between 800,000 years ago ...
3
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1answer
58 views
In the 800 kyr $\ce{CO_2}$ record, how detectable would a short-term peak be?
It is stated in https://cdiac.ess-dive.lbl.gov/trends/co2/ice_core_co2.html that the temporal uncertainty for the glacier $\ce{CO_2}$ records is less than $5~\%$ at any given moment. That means ‒ for ...
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1answer
43 views
How to better understand the RIP-nomenclature used in the CMIP5 project?
I am a statistician working on a climatological downscaling project in the Caribbean Sea.
I am just starting to learn about the CMIP5 GCM data project. I plan to download CMIP5 data from 6 climate ...
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0answers
42 views
The climate effect of the Russian industrial collapse in the early 90's
In 1982 ExxonMobil made this diagram with a slightly excess of the concentration of atmospheric carbon dioxide and global warming. Can this error be explained by the Russian industrial collapse in the ...
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7answers
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CO₂ level is high enough that it reduces cognitive ability. Isn't that a reason to worry?
I think the level of carbon dioxide in the air is high enough to reduce the intelligence of humans. This has nothing to do with climate change.
Except that both mean we should reduce CO₂.
I never ...
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0answers
24 views
What are the ranges of CO2 levels for inner cities and should CO2 be added to the air quality index?
I have a indoor CO2 monitor and putting it on my balcony it indicates values of 1400-2200 ppm for different days ? Is this even possible and what are the ranges of CO2 levels for the outside air of ...
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3answers
140 views
Does extrapolating current CO2 trends indicate 7632 PPM CO2 and 14C temperature anomaly within 200 years?
Does extrapolating current CO2 trends indicate 7632 PPM CO2 and 14C temperature anomaly within 200 years?
It looks like simply extrapolating the current trends of increasing atmospheric CO2 would ...
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2answers
184 views
What could possibly be a rational basis for rejecting climate science? [closed]
Here is my logic (thus not opinion) if the anthropogenic global heating AGH deniers actually do not have any rational climate science basis for rejecting anthropogenic global heating then everyone ...
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1answer
37 views
How do we apply CO2 sensitivity (3C ± 1.5C for every doubling) to current CO2 levels
https://en.wikipedia.org/wiki/Climate_sensitivity#Estimating_climate_sensitivity
This indicates that current CO2 levels have a temperature equilibrium of 2.2C disagreeing with statements that we are ...
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2answers
228 views
How can we accurately quantify the degree of scientific certainty that global heating is caused by humans?
How can we accurately quantify the degree of scientific certainty that global heating is caused by humans?
It seem virtually certain that the huge 100 PPM spike in CO2 since 1950 can only be caused ...
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0answers
31 views
How large were CFC emissions per year before the Montreal Protocol came into practice?
This article The China CFC dilemma states CFC emissions now might be 67,000 tonnes per year. I tried to look for how large were the emissions of it before the Montreal Protocol but I couldnt find it. ...
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1answer
76 views
How do we allocate partial CO2 doublings for Empirical Climate Sensitivity?
How do we allocate partial CO2 doublings for Empirical Climate Sensitivity? I applied partial doublings on a linear basis, is this correct?
Climate Threat to the Planet:Implications for Energy Policy ...
2
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0answers
37 views
Vehicles Emissions
What is the suitable handheld device to measure the CO2, CH4 and N2O emissions from the tailpipe of cars? and what the steps to convert the emissions that will measure by the handheld device in unit ...
3
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2answers
62 views
Could burning all fossile fuels (available on earth) render the atmosphere unbreathable?
What if humanity burns all fossil fuels it can find, putting the negative effects of climate change aside, would the enormous amount of CO2 in the atmosphere eventually make it unbreathable?
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25 views
Can any natural process explain this rate of CO2 increase? [duplicate]
Can any natural process explain this rate of CO2 increase?
[![1000 years of CO2][1]][1]
[1]: https://i.stack.imgur.com/MO0mK.png
The prior similar question used different data as its basis.
This ...
2
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0answers
41 views
How does extra carbon dioxide in the atmosphere contribute to radiative forcing?
The CO2 absorption spectrum taken at 200 mmHg partial pressure, beam path length = 10 cm, resolution = 4 cm^-1 shows that light can only travel a couple hundred meters before being completely absorbed ...
7
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1answer
71 views
Does clearing snow contribute to climate change?
I've been reflecting on climate change and pondering how much of it is truly man-made. Anyone who's shoveled a walkway know that the snow melts faster beside the walkway than it does in the middle of ...
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5answers
137 views
Why is smoke considered a factor of global cooling when analyzing nuclear winter scenarios, but arent when analyzing global warming scenarios?
In many articles on the internet (I'll cite a couple for the sake of the question), smoke from the fires (composed mainly of CO2 and CO) following a nuclear war would cool the atmosphere and would ...
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0answers
63 views
Does anyone have any data indicating a faster rate of CO2 increase?
Pieter Tans 2019-10-07(lead scientist of NOAA's Global Greenhouse Gas Reference Network):
Based on the best historical data that we have available CO2 is probably increasing at a rate at of least ...
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1answer
125 views
Is there any natural phenomenon that can account for the 100 fold faster CO2 rate increase?
"Based on the best historical data that we have available CO2 is probably increasing at a rate at of least 100 times faster than at any time in the last 800,000 years." Pieter Tans lead scientist of ...
10
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2answers
171 views
With so many positive feedbacks accelerating global warming, how did the earth ever re-enter ice ages after it came out of one?
We hear a lot about positive feedbacks when it comes to global warming. For example: ice reflects solar radiation, so as the ice melts more solar radiation is absorbed which accelerates warming; ...
5
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2answers
82 views
How is climate change today different than the climate change that ended the ice age(s)?
Someone I know posted a question about climate change that I do not know how to answer. While I do believe (for lack of better word) in climate change, I do not know how to answer this persons ...
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1answer
37 views
Will carbon tax be applicable to other emissions? [closed]
Will Carbon tax be applied to other emissions or only carbon emissions like Carbon dioxide & Carbon monoxide ? Can non-warming pollutant emissions like Chaff(Chemtrail) also be taxed under the ...
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0answers
17 views
Are there models of mortality due to sea level increases (via climate change)?
In a self-answer of mine on Skeptics, one of the comments rightly pointed out that the model in question (from Impact Lab) does not explicitly account for mortality due to sea level changes. Are there ...
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0answers
84 views
On what basics, can scientists predict the effects of climate change?
I don't know much about the topic of climate change to be honest. However, I've been attending a number of talks recently on the topic. As someone who studies mathematical models and uncertainty ...
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2answers
152 views
What is the most cost-effective solution to climate change based on scientific evidence? [closed]
Please don't answer without citing scientific research which has a general consensus or article from a reputable source based on verifiable research citations.
I recently read this article about a ...
2
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2answers
115 views
Why rely on climate models as opposed to paleoclimate data?
Something I hear often from climate scientists, and indeed even politicians, is that we "don't understand climate change very well". And, I'm sure this is true since the climate is a complex adaptive ...
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4answers
191 views
If planting trees is ineffective to tackle climate change, why do people plant them?
I've read answers that outline how if we afforested large (continental-scale) masses of land, it would do little in the way of tackling climate change. While it would sequester CO2 for about a century ...
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1answer
129 views
Could someone please validate the Holmes equation [closed]
Dr. Robert Holmes has converted the ideal gas law to T = P M / (ρ R) in this paper: (Molar Mass Version of the Ideal Gas Law Points to a Very Low Climate Sensitivity) with T = temperature P = near-...
4
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2answers
85 views
Is it normal for a cyclonic storm to form at the latitude of New York, USA?
I am following climate activist Greta Thunberg's sail to N America from Europe on https://tracker.borisherrmannracing.com/. The model shows a cyclonic storm forming south of Nova Scotia, east of New ...
2
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1answer
38 views
What is the total mass of organic carbon on Earth?
What is the estimated total mass of organic carbon plus elemental carbon (defined here as all carbon in any chemical form, minus carbon dioxide, inorganic carbonates, and other fully oxidized carbon ...
2
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0answers
148 views
Cooling effect from the oceans in global warming
The ocean soaks up about 90 percent of the heat of climate change, because of ocean heating. When using the formula of Svante Arrhenius to calculate forcing due to atmospheric $CO_2$
$\Delta F=\alpha\...
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2answers
84 views
Climate change research and policy [closed]
How impactful is climate change scientific research on climate change policy?
Are there any statistics which help to visualise the effectiveness of new scientific findings or new technology innovation ...
5
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3answers
129 views
Has the present rise of CO2 ppm been proved to be caused by human activity?
The level of CO2 in the atmosphere has risen roughly from 300 to 400ppm over the last 60 years.
What are the reliable calculations showing that such a rise has been caused by human activity? I am ...
0
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1answer
66 views
Can aerostats be used for fine-grained control of the weather
Most of the discussed geoengineering ideas aim to change the average temperature of the earth instead of trying to control local weather.
Aerostats can be used to change the local temperature in ...
6
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3answers
79 views
Impacts of high-altitude emission of greenhouse gases (GHG) compared to sea level GHG emissions
I often hear that the emission of greenhouse gases (GHGs) by planes is particularly concerning because the emission of GHGs at high altitudes has an even higher impact on global warming than the ...
2
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2answers
57 views
Is there evidence to suggest that the release of methane clathrates in permafrost regions will impact climate change?
We can see that there are large buildups of methane clathrates in permafrost regions.
Climate scientist James Hansen has predicted that the release of the permafrost methane clathrates could cause ...
3
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1answer
101 views
If today's Earth becomes warmer, how will it compare to the Earth of the Cretaceous period?
Most pessimistic scenarios about climate change predicts a global rise of temperature of several Celsius degrees over the course of the 21st century if no action is taken. While such a shift in ...
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1answer
98 views
Could we sequester co2 by dumping forests in deep oceans?
We know that trees are the most efficient "tool" we have to get CO2 out of the air, but the problem is that most of their fixated CO2 will naturally reenter the carbon cycle through decomposition.
...
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1answer
92 views
Origin of Serious Wildfires
At a very rough estimate, what proportion of wildfires are caused by natural events like lightning? I am absolutely sure that in Europe, where there are often wildfires, the sun is never hot enough to ...
2
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1answer
79 views
Does depletion of Planck radiation intensity in the upper atmosphere mean that “CO2 has no impact on climate change”?
In his recent book, Rex J. Fleming asserts that "CO2 has no impact on climate change", or, as he summarizes on his website:
There are now over a dozen books available on Amazon.com that point out ...
4
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1answer
88 views
Why did “Glaciologist Princess Elsa” have to leave the glacier because it was too warm?
This tweet shows "Glaciologist Princess Elsa" is actually Caltech geophysics PhD student and cryoseismologist Celeste Labedz.
The BBC News article What's a 'Science Princess' doing in an ice field in ...
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4answers
145 views
Isn't a warmer climate better for energy generation?
Nowadays, everyone talks about it: climate change, and more importantly, how to stop it from happening. Although there's a lot of debate around the topic, the conscensus is that by inventing a way of ...
2
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0answers
50 views
is it better to take minimum measure of all measures or the mean of minimum measures as a minimum measure
We have taken the measurments of temperature, humidity, net radiation and pressure in our lab so we can calculate the potential reference EvapoTranspiration. So to find out the potential reference ET ...
