Sentences with phrase «effect of the additional warming»

In turn, the IPCC argues there are various other positive feedbacks that multiply the effect of the additional warming from the CO2.

Not exact matches

If the British feasibility tests are successful, the balloon - and - hose contraption could be used to inject additional particles into the stratosphere, thereby reflecting more of the sun's energy back into space, and hopefully curbing some of the effects of global warming.

The additional warming potential is a few watts per square metre of the Earth's surface, or about double the heating effect of all human energy use.

As it does, it could release tons of additional methane gas, which has 20 times the greenhouse effect of carbon dioxide, possibly increasing the rate of global warming.

Schlesinger and Ramankutty reach broadly similar conclusions, but they also point out that even though greenhouse gases now dominate global warming, if part of the warming during this century is indeed due to solar changes, the additional greenhouse effect may be weaker than was previously thought (Nature, vol 360, p 330).

However, a new University of Minnesota study with more than 1,000 young trees has found that plants also adjust — or acclimate — to a warmer climate and may release only one - fifth as much additional carbon dioxide than scientists previously believed, The study, published today in the journal Nature, is based on a five - year project, known as «B4Warmed,» that simulated the effects of climate change on 10 boreal and temperate tree species growing in an open - air setting in 48 plots in two forests in northern Minnesota.

Even allowing for the relative strength of the effects, CO2 is still responsible for two - thirds of the additional warming caused by all the greenhouse gases emitted as a result of human activity.

For global warming scenarios, additional forcing comes into play: surface warming and enhanced high - latitude precipitation, which will also reduce density of northern surface waters (an effect which alone has shut down deep water formation in some model experiments, e.g. Manabe and Stouffer 1993, 1994).

My point is that I could easily see how the entire system in question could be warming, but because of transient effects, like weather patterns, the additional heat energy could easily wind up not where we're measuring it for months or even years at a time.

That is no additional effect, but part of the mechanism by which El Niño years are warm and La Niña years are cold at the Earth's surface.

Do you agree that when the heating effect of extra CO2 is due almost exclusively to what it itself absorbs from outside, but the cooling effect entails an ability to dissipate heat from the additional source, cooling can now outweigh warming?

(I think that an anomalously warm ocean surface heated from below would lead to more evaporation, and the additional water vapor would give a positive greenhouse effect that would partially offset the effect of a drop in greenhouse gas concentrations.)

Some fraction of the increase in upward flux at TRPP can also be transferred to the stratosphere, requiring it to warm again (if that is a small fraction, or if the fraction of that which is transferred to the TRPP flux again is small), then the resulting iteration of additional warming will converge relative quickly so that this feedback is a small effect.

According to the company's SEC filings, food price increases during 2013 have made them more wary of the effects of global warming on their food, and the company expects there to be «additional pricing pressures on some of those ingredients, including avocados, beef, dairy and chicken during 2014.»

We know that the warming effect of atmospheric carbon dioxide is logarithmic (meaning each additional unit has less effect than the one preceding) and estimates of warming due to increased carbon dioxide since the Industrial Revolution are really quite small.

You seem to be leaving out the ocean temperature data, as additional evidence for global warming independent of the urban heating effect: http://www.john-daly.com/mobydick/oceans.htm

His conclusion was that the CO2 forcing is unquestionably logarithmic, so that each additional molecule we emit has less forcing and warming effect than its predecessors; that the precise value of the coefficient in the CO2 forcing function, which the IPCC has already reduced by 15 %, can not be determined; and that, all things considered, 1 K per doubling was probably in the right ball - park.

He has stated that additional CO2 should have a small effect on temperatures but I have not heard of him endorsing the illogical idea of «back radiation» (to which I believe you refer) as a warming process in the atmosphere.

There is plenty of doubt about how much additional warming our enhancement of the greenhouse effect may cause, but there is no legitimate doubt about the fact of the greenhouse effect.

The required acceleration is most unlikely because each additional molecule of CO2 has less warming effect than its predecessor, and because...

Thawing permafrost also delivers organic - rich soils to lake bottoms, where decomposition in the absence of oxygen releases additional methane.116 Extensive wildfires also release carbon that contributes to climate warming.107, 117,118 The capacity of the Yukon River Basin in Alaska and adjacent Canada to store carbon has been substantially weakened since the 1960s by the combination of warming and thawing of permafrost and by increased wildfire.119 Expansion of tall shrubs and trees into tundra makes the surface darker and rougher, increasing absorption of the sun's energy and further contributing to warming.120 This warming is likely stronger than the potential cooling effects of increased carbon dioxide uptake associated with tree and shrub expansion.121 The shorter snow - covered seasons in Alaska further increase energy absorption by the land surface, an effect only slightly offset by the reduced energy absorption of highly reflective post-fire snow - covered landscapes.121 This spectrum of changes in Alaskan and other high - latitude terrestrial ecosystems jeopardizes efforts by society to use ecosystem carbon management to offset fossil fuel emissions.94, 95,96

The currently observed near - surface warming over nearly the entire globe is already considered by a large fraction of our society to be result of this additional greenhouse effect.

For one thing the two negative forcings cancel out much or most of the additional warming from the atmospheric CO2 and for another the atmospheric warming effect is miniscule in relation to the oceanic warming effect.

Over the last ten years, one - fourth of human - emissions of carbon dioxide as well as 90 percent of additional warming due to the greenhouse effect have been absorbed by the oceans.

To avoid the worst effects of global warming, there is broad scientific agreement that we must limit additional warming to no more than 2 degrees Celsius over pre-industrial levels.

The social cost of carbon is the discounted monetary value of future climate change damages due to additional CO2 emissions (for example, the costs of adverse agricultural effects, protecting against rising sea levels, health impacts, species loss, risks of extreme warming scenarios, and so on).

[As a caveat, it is of course reasonable to postulate the relative risk / rewards involved in all feedbacks and warming / cooling knock - on effects for the future, additional sea - level rise predicated on deep ocean warmth perhaps being one of them.

If there was an atmosphere, but one made up of, say, nitrogen only with no greenhouse effect, then the Moon STILL be simple, with a small additional damping effect, and no additional warming overall.

In order to limit global warming to 2 °C and avoid the worst effects of climate change, the world needs to invest an additional $ 36 trillion in clean energy, an average of $ 1 trillion per year for the next 36 years.

These effects combined with an estimated decrease in electricity demand by 2 % due to warmer temperatures, could provide an additional 11 TWh of annual energy.

I shot the portraits above in a black stairwell with overhead light; while both look great, the Stage Light effect adds an additional layer of contextual lighting on the subject's face, giving it a warmer and less washed out look.