Sentences with phrase «upper temperature limit»

It happened because the temperatures quickly rose above the normal upper temperature limit.

To operationalize an upper temperature limit, the international community must set an atmospheric greenhouse gas concentration stabilization limit.

(Athanasiou and Bear 2002) The 2oC upper temperature limit is quite controversial scientifically because, as we shall see, some scientists believe that lower amounts of additional warming could set into motion rapid climate changes that could greatly harm people around the world and increases of as little as 1oC will likely greatly harm some people in some regions.

«If a substantial number of lowland tropical species are already living near their upper temperature limit, as evolutionary principles, climate history and recent studies suggest,» he added, «then lowland biotas may undergo attrition, as some species shift upwards in elevation, and others suffer decreased fitness in the lowlands.»

(Some climate experts question the value, or practicability, of setting an upper temperature limit given the complexities of the climate system, which can not be manipulated like a thermostat — not yet at least.

According to these projections, by midcentury Bordeaux could reach the upper temperature limits for growing red varieties, and will fall outside the ideal climate for its white grapes.

Not exact matches

While the temperatures will be cold and the lakes warm, the amount of snow will be limited by the direction of the wind and relatively dry air in the upper atmosphere.

The practical upper limit is the maximum temperature possible before the container a substance is held in melts / sublimes or is blown apart.

The fastest speed atoms can move is the speed of light, so this sets an upper limit on the maximum temperature.

These are, respectively, the upper «safe» concentration of carbon dioxide in the atmosphere, and the upper «safe» limit of average global temperature increase.

It explores a number of different climate change futures — from a no - emissions - cuts case in which global mean temperatures rise by 4.5 °C, to a 2 °C rise, the upper limit for temperature in the Paris Agreement.

Upper limits of experience All of the candidate cities — Almaty, Kazakhstan; Beijing, China; Krakow, Poland; Lviv, Ukraine; and Oslo, Norway — will likely be facing temperatures near the upper limits of what each region has experienced in the past 150 years, according to a Daily Climate analysis of climate models constructed by University of Hawaii, Manoa, geographer Camilo Mora and colleagues.

Ants that stayed out at temperatures higher than 46 °C, widely considered to be the upper limit of their tolerance, were considered risk - takers.

However, studies into the effects of temperature on these early life stages have so far been limited to single locations and upper thermal limits.

The recent WMO update of hotter temperatures therefore spells bad news for these marine primary producers that are known to have upper limits of temperature tolerance.

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The 255K theoretical value depends on the albedo and is an upper limit which can only be reached with constant temperatures across the globe and the day / night cycle.

If industry - generated aerosols have a more limited cooling effect than originally thought, we can clean up and scale down dirty coal plants without worrying too much about consequent sudden jumps in global temperatures of up to 2 degrees C (if I remember the upper limits of earlier studies correctly).

In particular, scientists are uncertain whether global warming may alter it, raising the upper limit for sea - surface temperatures.

For example, if this contribution were to grow linearly with global average temperature change, the upper ranges of sea level rise for SRES scenarios shown in Table SPM - 3 would increase by 0.1 m to 0.2 m. Larger values can not be excluded, but understanding of these effects is too limited to assess their likelihood or provide a best estimate or an upper bound for sea level rise.

We are near the upper limit for Earth Temperature that has been in place for ten thousand years.

BTW, this «thermostat» is what puts a 31C upper limit on sea surface temperature.

There is an upper limit that Earth Temperature pushed against and could not cross.

The lower temperature limit of the assessed likely range is thus less than the 2 °C in the AR4, but the upper limit is the same.

Cellular responses (and their onset) are more sensitive to changes in temperature than whole - organism responses, such as upper thermal tolerance limits (Chadwick et al., 2015), and are indicative of temperatures that begin to adversely affect an organism (Kültz, 2005; Kassahn et al., 2009).

When this occurs, the surface temperature is at its «upper limit.»

By about 2:30 p.m. PDT on days such as today, with full and bright sunshine, full mixing is in progress and the ambient temperature is near or at its upper limit.

He also highlighted the ongoing review process under the UNFCCC of the agreed 2ºC upper limit for global temperature rise.

Second, part of the debate is over what would be a realistic upper limit or «peak» temperature to expect from a doubling of CO2.

A future strong positive feedback from the carbon cycle, on the other hand, could add as much CO2 to the atmosphere as humans have, leading to temperature increases well beyond the International Panel on Climate Change's (IPCC) upper limits.

And I change my mind about convection in this GHG - free case: I have to remember that the adiabatic lapse rate only sets an upper limit of the temperature decline with altitude; in fact conditions of temperature inversion, in which the temperature is constant or rises with altitude, are also stable.

First, although the temperature scenarios of IPCC project a maximum warming of 6.4 ºC (Table SPM3), the upper limit of sea level rise has been computed for a warming of only 5.2 ºC — which reduced the estimate by about 15 cm.

So I would say that the satellite MSU values provide a rough upper limit on the land temperature rise, and that the actual rise is likely to be somewhat less than that.

The EU's support for a 1.5 C upper temperature rise limit is disingenuous when it is not committing to more action.

Over geological time scales, the lack of correlation between CO2 and temperature places a clear upper limit of a 1.5 °C per CO2 doubling sensitivity.

But they face a problem because there is an upper limit to the temperature increase, even if CO2 is doubled.

The upper boundary of open forests has markedly shifted both on slopes exposed in winter to strong westerly winds and in the areas where summer temperatures are the main limiting factors.

In Jones et al 1990 it is reported that data for the US showed an urban influence of 0.15 C over the period 1901 - 1984 and that «The results for the United States clearly represent an upper limit to the urban influence on hemispheric temperature trends.»

If CO2 causes more heat input, it does not matter because more Arctic Sea Ice will melt and cause more snow to limit the upper bound for Earth Temperature.

And, my view does not limit the GHE per se, it sets an upper limit on the possible cooling power per a surface temperature and that doesn't limit the GHE, think of Venus, it insures it's existence if there are GHG's present in sufficient enough concentration to have a reasonably short mean free path.

The actual temperature distribution depends on how the atmosphere is heated, with the adiabatic lapse rate just providing a stability limit... i.e., an upper bound on the allowed lapse rate.

Most estimates of ocean warming have been limited to the upper 700 meters of water, owing to the limited availability of ocean - temperature data below that depth.

If not, throw them all out and look for something else, like, it snows more when oceans get warmer and more thawed and the more snowfall increases ice volume and more ice weight increases ice flow and the increased ice extent limits the upper bound of temperature and causes cooling.

A common way of reporting the uncertainty in a reconstruction is graphing the reconstructed temperature for a given year with the upper and lower limits of a 95 percent confidence interval to quantify the uncertainty.

This so - called 450 scenario, named after the upper limit of the CO2 concentration in the atmosphere (450 ppm) that still provides a reasonable chance of staying under a 2 °C average temperature increase, is regarded as possible but not very likely to happen.

http://www.nrl.navy.mil/research/nrl-review/2002/chem-biochem-research/coffin/ This indicates to me that the upper limit of CH4 concentration is about 10 µmols / l where the temperature and pressure allow formation of clathrates.

Previously, scientists had been reluctant to put a number on the upper limit of tons of carbon pollution we could put in the atmosphere and still avoid the worst that will come with a temperature rise of more than 2 °F.

The IPCC were confronted with the problem that even if CO2 doubled or tripled, there was a very small upper limit to temperature increase, so they created a positive feedback.

The modules connect to your Wi - Fi network, but stay in sleep mode unless motion is detected or the room temperature exceeds the upper or lower temperature limits you've set.