Questions tagged [atmosphere]
The gaseous envelope surrounding the *Earth*, and retained by the Earth's gravitational field. If your question is about the atmosphere on another celestial body or is more astronomy related, please ask on Astronomy.SE.
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How does plasma form in the open/natural atmosphere? And what variables might influence its visible luminosity, colour and longevity?
How does plasma form in the open/natural atmosphere?
And what variables might influence its formation, visible luminosity, colour and longevity?
Interest stems from suggested possibility of ...
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Is the appearance of certain kinds of clouds at altitude of > 30000 feet a recent phenomenon?
Image source
I am not a frequent flyer, but I remember some years ago, that skies used to be absolutely clear as your flight goes beyond 15000/20000 feet. Which does not seem to be a case anymore. ...
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Can there be wind and/or liquid currents driven by a planet's rotation?
Can the rotation of a planet alone provoke any kind of wind or liquid current?
Can the atmosphere, at least in some cases, have wind currents driven by the planet's rotation?
And can liquids also move ...
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How many miles up until air liquifies?
Pressure Conditions: Air liquefies at pressures above 1 atmosphere (atm) when cooled to around -320°F (-196°C) for nitrogen, the main component of air.
Practical Considerations: In the atmosphere, ...
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Is the current atmospheric oxygen concentration lower than that reported?
Oxygen levels in the atmosphere are decreasing due to fossil fuel burning. This decrease is minimal compared to the sheer amount of oxygen in the air. However, I've found some inconsistency from my ...
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Greenhouse effect and saturated atmosphere
Encouraged by How could I calculate greenhouse effect?
I remember that some years ago I searched the net for the wavelength (~temperature) where $CO_2$ has its maximum absorption, looking at if there ...
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Why high gradient height countours or sharp curvature trough are associated with stronger divergence?
All,
The chart below from https://www.weather.gov/source/zhu/ZHU_Training_Page/Miscellaneous/Divergence/divergence.html suggests that divergence increases with the gradient of the height contours and ...
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Ar/He and Xe/He ratio as a function of altitude from 0 to 100 km? At what temperature would the Xe start to settle to lower altitudes?
In a discussion below this answer to Can there be an atmosphere in a cave on an atmosphere-less planet? there's a debate whether all atmospheric gases will have the same scale height in the range of 1 ...
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How could I calculate greenhouse effect?
I know how to calculate a planet's temperature using the bond albedo, star luminosity and greenhouse effect, and I made a calc that does that, but I think greenhouse effect shouldn't be a constant ...
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How to compare the ERA5 hourly wind speed wind observed values?
I aim to compare ERA5's hourly wind speed data at a height of 10 meters with observational data. However, the observed wind speed represents a 10-minute average value. My question is: can these two ...
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What is relationship between weather front and cyclone/anticyclone?
I read about weather front on Wiki.
As I understood, weather front is the cause of cyclone and anticyclone.
Is it right?
And what else is relationship between weather front and cyclone/anticyclone?
...
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What percentage of our oxygen comes from mineral sources?
There was an article in Science News, In a seafloor surprise, metal-rich chunks may generate deep-sea oxygen, a few months ago about metal nodules on the ocean floor producing oxygen.
I am concerned ...
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Mean of temperature over two regions versus the sum of the mean temperatrue over each seperate region
All,
Let x and y are the temperatures over two different regions/countries (from the shapefile), and I have been asked to report the mean of the temperature over the whole region x and y; should I sum ...
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Categorized satellite images of occlusions
I've been studying different types of system occlusions recently. However, I still struggle to spot them and tell the difference between their structures on satellite images (I use Eumetrain).
I was ...
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If carbon sequestration is the way forward, will this not reduce the oxygen content of the earth's atmosphere as it will bypass photosynthesis?
The issue I raise in the title is my main concern relating to the sequestration of CO2, which, if we continue to use synthetic carbon based, fuels, will over time lead to a reduction in the oxygen ...
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