Sentences with phrase «at a constant temperature as»

Not exact matches

Because the beetles developed at more or less constant rates relative to temperature, Logan was able to describe the relationship between reproductive success and temperature as a series of mathematical formulas.

The thyroid hormone thyroxine, which controls our day - to - day activity and was previously believed to remain at a constant level in the blood, actually fluctuates as a result of a protein which modifies the release of the hormone depending on body temperature, new research reveals.

While zircaloy loses strength as temperature increases — becoming 2 percent weaker for every 10 C increase in temperature and losing all strength at about 1300 C, Stempien says — the strength of the SiC ceramic remains essentially constant to temperatures well above 1500 C.

Tankersley explains this as an efficient way to keep the water at a constant cool temperature for drinking during dry periods.

This so - called constant - composition commitment results as temperatures gradually equilibrate with the current atmospheric radiation imbalance, and has been estimated at between 0.3 °C and 0.9 °C warming over the next century.»

Moreover, we have never stated that the value Zeq is linear or constant at any temperature from 100K to 300K as Dr. Benestad claims.

Does the temperature increase at a constant rate as the time increases?

Standard electric hot water tanks account for as much as 15 % of our home's energy use — with the average household paying about $ 550 each year just to heat their water; 25 % to 45 % (or approximately $ 140 to $ 250) is used just to maintain your home's hot water at a constant temperature.

In Patagonia year - round temperatures decrease as you travel southwards, with rain an almost constant feature as the naturally beautiful Tierra del Fuego at Argentina's southernmost tip is reached.

Villa Kyody's secluded hillside location offers both peace, quiet, and complete privacy as well as provides for a constant gentle breeze to keep the house cool in the daytime and the perfect sleeping temperature at night.

You could use these numbers to calculate a 100 year constant - emissions - scenario global temperature rise (which does look perhaps a tad low at 1.95 deg C) but it is of the correct order of magnitude & give the numbers I'm offering here as inputs, that is certainly all you can ask.

Now since relative humidity remains roughly constant at the ocean surface and the air's capacity to hold water increases with temperature, relative humidity will actually decrease over land, particularly as one enters the continental interiors.

Since the 155 W / m2 GHE is the GHE forcing based on the present climate (in the sense that removing all GH agents (only their LW opacity, keeping solar radiation properties constant) results in a forcing of -155 W / m2 at TOA for the present climate, and we know that without any GHE, in the isothermal blackbody surface approximation, the temperature will fall approximately 33 K without any non-Planck feedbacks), it can be compared to smaller climate forcings made in the context of the present climate (such as a doubling CO2.)

Scattering may also drive the distribution over polarizations toward an equilibrium (which would be, at any given frequency and direction, constant over polarizations so long as the real component of the index of refraction is independent of polarization) Interactions wherein photons are scattered by matter with some exchange of energy will eventually redistribute photons toward a Planck - function distribution — a blackbody spectrum — characteristic of some temperature, and because the exchange involves some other type of matter, the photon gas temperature (brightness temperature) will approach the temperature of the material it is interacting with -LRB-?

A compelling argument for the positive longwave response is a leading alternate to Lindzen's IRIS although it receives less attention, and is known as the FAT hypothesis (from Dennis Hartmann) and arises from the fundamental physics of convection only heating the atmosphere where radiative cooling is efficient, and thus the temperature at the top of convective cloudiness should be near constant as it becomes warmer.

Thus the first year (s) temperature change is the most responsible for the first year (s) change in CO2 increase, but as the temperature influence is limited in time (a different, but constant temperature again gives a constant seasonal cycle, but at a different level), the next years that will not give a change in increase speed anymore.

Established climate models assume constant humidity at all levels in the atmosphere as the temperature rises.

As you say «Simples» Think of the ocean as an open pot of warm water with constant heat input (TSI) at a level where water is held at constant temperature by evaporation and internal convectioAs you say «Simples» Think of the ocean as an open pot of warm water with constant heat input (TSI) at a level where water is held at constant temperature by evaporation and internal convectioas an open pot of warm water with constant heat input (TSI) at a level where water is held at constant temperature by evaporation and internal convection.

Therefore at low temperatures and high pressures as is the case in the low atmosphere, the equilibrium between the different quantum states (the proportions must stay constant) is mainly ruled by collisions.

As for equilibrium, the system is never at equilibrium, but the incoming energy level is fairly constant, so the system should remain within a given temperature range, given the negative feedbacks operating during any excursions.

Here how it works: Think of the ocean as an open pot of warm water with constant heat input (TSI) at a level where water is held at constant temperature by evaporation and internal convection.

At this point in time, the satellite empirical evidence is significantly more trustworthy as it does not suffer from the constant monthly historical revisions that both NOAA and NASA perform on their respective temperature datasets.

The corresponding working quasilinear wave equation for the barotropic azonal stream function Ψm ′ of the forced waves with m = 6, 7, and 8 (m waves) with nonzero right - hand side (forcing + eddy friction) yields (34) u˜ ∂ ∂ x (∂ 2Ψm ′ ∂ x2 + ∂ 2Ψm ′ ∂ y2) + β˜ ∂ Ψm ′ ∂ x = 2Ω sin ϕ cos2 ϕT˜u˜ ∂ Tm ′ ∂ x − 2Ω sin ϕcos2 ϕHκu˜ ∂ hor, m ∂ x − (kha2 + kzH2)(∂ 2Ψm ′ ∂ x2 + ∂ 2Ψm ′ ∂ y2), [S3] where x = aλ and y = a ln -LSB-(1 + sin ϕ) / cos ϕ] are the coordinates of the Mercator projection of Earth's sphere, with λ as the longitude, H is the characteristic value of the atmospheric density vertical scale, T˜ is a constant reference temperature at the EBL, Tm ′ is the m component of azonal temperature at this level, u˜ = u ¯ / cos ϕ, κ is the ratio of the zonally averaged module of the geostrophic wind at the top of the PBL to that at the EBL (53), hor, m is the m component of the large - scale orography height, and kh and kz are the horizontal and vertical eddy diffusion coefficients.

The right side of the wall is held at a constant temperature of 10 °C, as with the first few examples, but the other surface of the wall now has a constant input of heat and we want to find out the temperature of that surface.

I should have known that as it's pretty much a rule for all mechanical devices designed to run at constant speeds and temperatures that wear & tear is much greater during startup and shutdown.

So if one uses the heat engine to do external work, the gas in the cylinder will indeed drop to zero in temperature as all of its internal energy drops to the bottom to maintain a constant temperature difference right up to where the temperature of the ideal gas at the top reaches zero.

«The whole idea of a climate sensitivity to CO2 (i.e., that we could dial up a chosen temperature by setting CO2 levels at some calculated level) is simply bizarre because the response of the temperature to Anthropogenic CO2 is simply not a constant, and will vary depending, as it does, on the state of the system as a whole at the time of the CO2 introduction.»

Misleading, inasmuch as the concept of a hot plate assumes an external heat source capable of maintaining an object sitting upon it at a constant temperature elevated above ambient, where radiation absorbed is equal to radiation emitted.

Shallow as it is, for me this is vindication after years of being laughed at and called names for being a «Climate denier» in spite of citing studies by so many scientists and questioning the constant yearly trend of «adjustments» made to the temperature data NOAA kept posting regularly.

But in any case the difference between constant pressure and constant volume is only a factor of 7/5 in the case of air, whereas latent heat increases PV about five times as fast as vapor loss contracts it at any realistic temperature.

Looking at other records such as ice cores shows very large and sharp spikes in the Holocene that can not be squared easily with the assertion of an essentially constant temperature as given ex cathedra to us by Marcott et al..

Wet heat (water vapor) that rises is particularly efficient as it carries the latent heat of vaporization in addition to «just» the enthalpy content in the water molecules themselves at constant temperature, and have to give up this heat in order to form clouds.

As a result, the residence time of the particles changes and the temperature in the chamber remains constant even at different solar irradiation levels.

It leads to whether we should accept the SB for * normal * temperature matter at a constant and whether it should be reformulated to a coefficient, divided by as much as 12, to produce 30w / m2 for outgoing longwave from earth on average, since it's clear that earth isn't attempting to reach absolute zero in order to reach equilibrium, and emit as much as it possible can to achieve it.

At depths greater than about 30 feet below the surface, however, the soil temperature remains relatively constant throughout the year, as shown in Figure 3, below.

The rate of heat transfer by radiation and latent heat increases as the temperature at the top decreases given the assumption of constant water surface temperature.

«The most relevant part of that universal what - else is the requirement laid down by thermodynamics that, for a planet at a constant temperature, the amount of energy absorbed as sunlight and the amount emitted back to space in the longer wavelengths of the infra - red must be the same.

Climate models (for various obscure reasons) tend to maintain constant relative humidity at each atmospheric level, and therefore have an increasing absolute humidity at each level as the surface and atmospheric temperatures increase.

As I have explained, those sorts of things explain the slope of the line (how temperature varies with height... or at least a limit on how steeply temperature can fall with height) but it does not determine the constant «b» in the equation «y = m * x + b».

By varying the water vapor and CO2 content of the atmosphere using MODTRAN, adjusting the surface temperature offset to keep OLR constant at 100 km, it's clear that Ed - Eu and Su - OLR aren't constant as tau changes, as should be expected.

For instance, plotting against in an experiment with an abrupt forcing (such as 4xCO2) should give a straight line (red) if were constant, but instead there is almost always some curvature implying that temperature changes a more for the same forcing change after a century or so than at the start (blue line).

No problems here Andrew, I don't think that you were believing that the oceans have a large effect (at maximum within one year), and I completely agree that the oceans are not a constant sink, as that is modulated by temperature... As the emissions are relative monotonely increasing in increase speed, one can expect a good match between a more variable independent cause and effect.as that is modulated by temperature... As the emissions are relative monotonely increasing in increase speed, one can expect a good match between a more variable independent cause and effect.As the emissions are relative monotonely increasing in increase speed, one can expect a good match between a more variable independent cause and effect...

I would just like to add that after fixing the lapse rate one has also to decide, whether the temperature at tropopause is increased by the same amount as ground temperature or the thickness of the troposphere is increased to allow the minimum temperature at tropopause to remain constant.

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