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Results tagged with greenhouse-gases
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user 11908
Greenhouse gases are gases that trap heat into the Earth's atmosphere these gases are Carbon dioxide (CO2), Methane (CH4), Nitrous oxide (N2O), Hydrofluorocarbons (HFCs) Perfluorocarbons (PFCs) Sulfur hexafluoride (SF6), Nitrogen trifluoride (NF3) and et cetera.
7
votes
The atmosphere and the dispersion of greenhouse gases
The short answer is that greenhouse gases occur at all levels in the atmosphere. However, the concentrations can vary with altitude. In the case of greenhouse gases that are always in a gaseous state …
- 17.7k
13
votes
How CO$_2$ warming effect stays overnight?
CO$_2$ doesn't significantly interact with solar radiation or UV, and doesn't store any significant amount of heat. What CO$_2$ effectively does is scattering infrared radiation emitted by the Earth, …
- 17.7k
4
votes
Why is ozone a greenhouse gas if it absorb UV radiation?
Ozone is indeed a greenhouse gas. But not due to its capacity to absorb/scatter UV radiation, but instead due to its capacity to absorb infrared radiation. In contrast with other greenhouse gases (Lik …
- 17.7k
7
votes
About the actual radiative impact of greenhouse gas emission over time
There is no doubt that the sooner the mitigation effort happens, the greater will be its impact.
In other words, the impact on year 2100 climate of the sequestration of 20 billion tons $\ce{CO2}$-eq …
- 17.7k
2
votes
Does the extension of the absorption line of $\text{CO}_2$ with temperature play a role in t...
No. Not in a significant way.
The full width at half maximum (FWHM) of a spectral line widened by thermal Doppler broadening is
$\Delta f_{\text{FWHM}}={\sqrt{\frac{8kT\ln(2)}{mc^{2}}}}f_{0}$
where …
- 17.7k