Sentences with phrase «radiated at»

5) Thus the presence of water vapour and CO2 means that less energy is radiated into space from within their characteristic radiation bands so the temperature of the earth's surface has to increase in order for energy radiated at other wavelengths to increase to compensate.

Measuring with a spectrometer what is left from the radiation of a broadband infrared source (say a black body heated at 1000 °C) after crossing the equivalent of some tens or hundreds of meters of the air, shows that the main CO2 bands (4.3 µm and 15 µm) have been replaced by the emission spectrum of the CO2 which is radiated at the temperature of the trace - gas.

For a much more complete Earth energy budget — data on ocean heat, solar radiance and energy radiated at the top of the atmosphere is required.

The absorptivity / emissivity of surfaces may get more clearly less than one at the lower end of the LWIR region, i.e. around 4 - 5 um but that has very little influence on the energy radiated by Earth surface, because most of the energy is radiated at longer wavelengths anyway.

A player blessed with a natural ability to outrun a bullet but his accumulative inconsistent performances is so worrisome, he radiates at best a top player with too many average performances.

The article also says the material discussed radiates at wavelengths between eight and 13 nanometers; the correct measurement is eight to 13 microns.

But they did heat up the dust, causing it to radiate at infrared wavelengths.

Thus small black holes are very hot and radiate a lot, while large, astronomical black holes are extremely cold and barely radiate at all.

For a black hole of a given mass, Narayan says, there is a «switch» — a rate of matter flow above which the matter will be dense enough to radiate in the intense way conventional theory says it should, and below which it will radiate at a tiny fraction of that level.

The «colours» are due to differences in the surface temperature of starsw1: hotter stars emit most of their light in the visible blue or ultraviolet regions of the electromagnetic spectrum, whereas cooler stars radiate at longer wavelengths, in the visible red or infrared regions (see Mignone & Barnes, 2011a).

Astrochemistry & Molecular Spectroscopy: During its years of science observations, the 140 - foot telescope detected nearly one half of all known molecules that naturally radiate at centimeter wavelengths.

The smooth dotted lines in the diagram labeled with temperatures are the curves for a simple blackbody radiating at that temperature.

My podcast, The Highest Self Podcast, is my favorite medium and where I share deep spiritual wisdoms to understand your soul's archetypes, radiate at your highest frequency and find your purpose on this planet so you can live out their missions to serve this planet.

Unwind in graceful grandeur and contemporary elegance, where luxury radiates at every turn, and endless activities await.

There's also a number of interesting applications in the evolution of Earth's atmosphere that branch off from the runaway greenhouse physics, for example how fast a magma - ocean covered early Earth ends up cooling — you can't lose heat to space of more than about 310 W / m2 or so for an Earth - sized planet with an efficient water vapor feedback, so it takes much longer for an atmosphere - cloaked Earth to cool off from impact events than a body just radiating at sigmaT ^ 4.

CO2 absorbs between the 600 - 800 cm ** -1 region, a very important part of the spectrum for planets or moons which radiate at Earth - like temperatures, and so yes, this substantially reduces the outgoing radiation of the planet for a given temperature.

All the models, not just those of RealClimate, assume that CO2 (and H2O) are in local thermodynamic equilibrium (LTE) and radiate at the kinetic temperature of the air, in which case they would effectively emit all the radiation the absorb.

Not everything is a black body, and many things like these gases don't radiate at all in the thermal wavelengths.

Granted, any incremental increase in the temperature of air will cause all air molecules to radiate at a higher temperature, but by tamping down the temperature increase by spreading it out, the net radiation back to the surface gets diminished because radaition is propotional to the fourth power of temperature.

Funny thing about water, it ain't land:) about 70 % of the surface radiates at ~ 425Wm - 2 and has to release 334 Joules per gram to become not water:) The other model, about 30 %, has an average surface that radiates at 307 to 316 Wm - 2.

Did you get Lacis to confirm that he meant to say «N2 and 02» do not radiate at all?

@ VTG: Lacis said that N2 and O2 at temperatures above absolute zero do not radiate at all?

CO2 radiates at atmospheric temperature.

They want a surface that doesn't radiate at all — if they could get it.

Yet he has ignored the fact that energy from the sun is constantly being added to the system which does indeed make the Earth radiate at a higher temperature.

If a molecule that might radiate a photon is surrounded by more other molecules of ANY variety then collisions and even near passes at the time it is radiating will alter the exact quantum mechanics of what frequency it radiates at.

So while the energy was radiating at a colder temperature, it was radiating from a much larger area.

Furthermore, this well mixed gas has mixed its way into the stratosphere (the real hot spot) where instead of radiating at a lower temperature it radiates at temperatures approaching the surface.

Given that Body 2 is half the temperature of Body 1 it will radiate at a factor of 24 = 2 x 2 x 2 x 2 = 16 times less.

Also, about those balance equations, notice that they work also from the Earth's point of view: it is radiating at a rate 1.25 * Iin, but it is also receiving Iin (directly from the sun) plus the 20 % of Iup that is sent back to it by the «greenhouse glass», which is 0.2 * 1.25 * Iin = 0.25 * In.

Yes, the same amount of energy has to get out into space at the same rate, over the long term, but the absorption by greenhouse gases requires the surface temperature to be higher in order to radiate at a sufficiently higher rate (than would otherwise be the case) to make up for the fraction absorbed.

There is this idea that floats around the climate skeptic blogosphere that somehow a cold body does not radiate AT ALL to a warmer object, as if radiation from the cool atmosphere to the warm ground violates the 2nd Law.

These are rising and are radiating at a temperature far higher than other gases at their altitude.

But there's a lot of it — 10,000 kg — and it radiates at about 240 W / m ^ 2, and so given all the thermal energy it contains at a rough average for the column at -18 C, then it simply doesn't drop much in temperature in 12 hrs.

If the effective TOA is slightly cooler then the effective surface needs to radiate at a higher temperature.

Radiation comes in from the sun (solar radiation at short wavelengths), and every body radiates according to its temperature (proportional to the fourth power of absolute temperature), so that on Earth we, and the surface and atmosphere radiate at infrared wavelengths.

The trace gases absorb the radiation of the surface and radiate at the temperature of the air which is, at some height, most of the time slightly lower that of the surface.

And that frost, ice crystals with large surface area, will be radiating at some 300W / m ^ 2 up into the atmosphere.

The inner shell gets 235 W / m2 from the outer shell and 705 W / m2 from the surface for a total of 940 W / m2, so it radiates at 470 W / m2 (two times the source) up and down.

With one shell, you get a surface which radiates at twice the source radiation (not temperature but radiation).

- Doubly emphasize in the appendix that any surface with a temperature T will radiate at sigma * epsilon * T ^ 4.

>> Vincent (04:22:19): >> If you start with a ball radiating at 235 w / m2, then if you >> add the 235 w / m2 radiated back from the steel shell aren't >> you creating energy out of nothing?

If you start with a ball radiating at 235 w / m2, then if you add the 235 w / m2 radiated back from the steel shell aren't you creating energy out of nothing?

To do this, the steel shell must warm until it is radiating at 235 watts per square metre.

It means the stratosphere has very low emissivity so it is incapable of radiating at least it is incapable of radiating energy at wavelengths that the tropopause can absorb.

The planet is radiating at its temperature, and the surface of the shell is radiating at its temperature.

If a body is radiating at a specific IR frequency it CAN NOT absorb at that frequency.

Assume a 1 square metre surface at 15C (288.15 K) will be radiating at 391W / m ^ 2.

You even say specifically that they are radiating at each other; since radiation = traveling EM energy, you just admitted that energy is being exchanged in the very sentence where you say there is no energy exchange.

I have not said that cooler objects don't radiate at warmer objects but here is no demonstrable proof that the hotter object absorbs radiation of a lower frequency.