Questions tagged [solar-terrestrial-physics]

8 questions with no upvoted or accepted answers
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2answers
317 views

Which part of solar radiation (VIS, NIR) keeps Earth warm?

Which part of solar radiation (visible light vs. infrared radiation) plays main part in keeping Earth's surface warm?
4
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0answers
69 views

How could the solar wind cause strange magnetic pulses on Mars at midnight?

24-Feb-2020 NASA News item A Year of Surprising Science From NASA's InSight Mars Mission says: A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander ...
4
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0answers
50 views

Mars' strange magnetic pulses at midnight; besides the solar wind what are other possible causes?

24-Feb-2020 NASA News item A Year of Surprising Science From NASA's InSight Mars Mission says: A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander ...
2
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0answers
35 views

Do greenhouse gases absorb and re-emit photons or reflect them diffusely? Or both? (CO2, CH4, H2O, N20, HFC-134a, etc.)

Also, would it matter if a particular type of greenhouse gas molecule reflected rather than absorbed and then re-emitted light? Would its GWP be higher or lower? Perhaps this is more of a pure ...
1
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0answers
13 views

Does an increase in SR lead to an increase in strength and intensity of ionospheric lightning?

As explained in the following document: ELF Electromagnetic Waves from Lightning: The Schumann Resonances Upper-Atmosphere phenomena like Sprites and Elves can be recorded with extremely low frequency ...
1
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0answers
57 views

Fresnel equations & emissivity of water

If you want to know what the actual emissivity of water is (which is terribly important to even get an idea what size the GHE has!), you can google. Regrettably you will get all kinds of results, so ...
1
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0answers
159 views

Mass balance for calculating mantle composition

I've seen some problem sets given without answers / solutions regarding how to calculate the composition of the mantle given solar composition (and assuming the same would apply to the Earth). For ...
0
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0answers
99 views

What is the relationship between net primary productivity and emergy?

Looking at the Earth system as a whole and considering ecological economics, net primary productivity and emergy are two concepts that strike me as fundamental and likely related. I'm not sure what ...