Questions tagged [energy-balance]

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6
votes
2answers
505 views

Why are solar longwave and terrestrial shortwave radiations neglected in radiation balance models?

For an assignment I was given the question: Explain why solar radiation is neglected in atmospheric “long wave” calculations and Earth radiation is neglected in atmospheric “short wave” calculations. ...
6
votes
1answer
697 views

Is Bowen ratio an absolute indicator of land surface type based on the amount of heat transfer from the surface?

Bowen ratio (BR) is the ratio of sensible heat flux to latent heat flux, i.e., $$Q=Q_{s}/Q_{l}$$ where $Q_{s}$ is the sensible heat flux and $Q_{l}$ is the latent heat flux. It is an indicator of ...
5
votes
2answers
291 views

Sensible and Latent Heat. how to separate them

I need help with latent and sensible heat. P.S: I have been through all Wikipedia and other pages that say phase change and temperature change. My Question is: if there is convection, it will take ...
5
votes
0answers
53 views

Direct and Diffused component of shortwave radiation in ERA5 data

I am following the paper to calculate UTCI using ERA5 meteorological variables. https://link.springer.com/article/10.1007/s00484-020-01900-5?shared-article-renderer In the paper, the authors have ...
4
votes
2answers
162 views

How CO$_2$ warming effect stays overnight?

Water vapor looses it energy at night (no sun, no UV) and this is deposited as dew. Change of state requires a massive energy change, in general. Is the greenhouse effect of CO$_2$ not lost when it ...
4
votes
1answer
451 views

What will be the temperature on Earth when Sun finishes its main sequence?

We know that presently Sun is 4.5 billion years into its main sequence. It has another 5 billion years before it enters the Red Giant phase. We also know that Sun's luminosity increases by 10% every ...
3
votes
1answer
176 views

How much energy does Earth surface radiate at night per square meter?

I am finding lots of information about Earth's energy budget, about how objects emit infrared radiation based on heat, and lots of related things, but nothing helping me figure out how much energy is ...
3
votes
1answer
58 views

Can Horizontal Radiation Fluxes Contribute to Net Column Heating?

I've noticed that in many papers it's common to assume the (daily or longer averaged) vertically integrated radiative heating can be expressed $F_z(\text{TOA})-F_z(\text{SURF})$, where $F_z$ is the ...
2
votes
0answers
42 views

FLUXNET15 - how to convert latent heat flux to actual evapotranspiration?

Can we convert latent heat flux to actual evapotranspiration using simply this conversion rate: 2.45 MJ m-2 day-1 = 1 mm day-1 (Allen, 1998)?
1
vote
0answers
84 views

Plotting moist static energy fluxes

I'm trying to plot Moist static energy fluxes (vectors) and their divergence like the attached Figure. I have monthly means of u, v, temperature, specific humidity and geopotential from(1000-100 hPa) ...
0
votes
0answers
96 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 ...