Sentences with phrase «additional effect on climate»

That does not exclude a new and additional effect on climate from human produced CO2 increasing.

Not exact matches

The model calculations, which are based on data from the CLOUD experiment, reveal that the cooling effects of clouds are 27 percent less than in climate simulations without this effect as a result of additional particles caused by human activity: Instead of a radiative effect of -0.82 W / m2 the outcome is only -0.60 W / m2.

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.

According to one study that looked at eight fuel aridity metrics in the Western U.S. and modeled climate change's effects on them, human - caused climate change accounted for about 55 percent of the observed increases in fuel aridity between 1979 and 2015 (Figure 6), and added an estimated 4.2 million hectares of forest fire area between 1984 and 2015.7 Based on all eight metrics, the Western U.S. experienced an average of 9 additional days per year of high fire potential due to climate change between 2000 and 2015, a 50 percent increase from the baseline of 17 days per year when looking back to 1979.

New algorhitm allows researchers to gain additional information on the effects of climate change.

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From the Physical Science Basis: «Shindell et al. (2009) estimated the impact of reactive species emissions on both gaseous and aerosol forcing species and found that ozone precursors, including methane, had an additional substantial climate effect because they increased or decreased the rate of oxidation of SO2 to sulphate aerosol.

In order to understand the potential importance of the effect, let's look at what it could do to our understanding of climate: 1) It will have zero effect on the global climate models, because a) the constraints on these models are derived from other sources b) the effect is known and there are methods for dealing the errors they introduce c) the effect they introduce is local, not global, so they can not be responsible for the signal / trend we see, but would at most introduce noise into that signal 2) It will not alter the conclusion that the climate is changing or even the degree to which it is changing because of c) above and because that conclusion is supported by multiple additional lines of evidence, all of which are consistent with the trends shown in the land stations.

Additional findings from the EPA on the effects of soot emissions are needed so we can craft the best policy response to combat the climate crisis,» said Sen. Kerry.

A low sensitivity implies additional atmospheric CO2 will have little effect on global climate.

This is the additional concentration of CO2 that would have approximately the same effect on the radiative properties of the atmosphere - and thus the same direct effect on climate - as the concentrations shown of those GHGs.

«The additional burden of CO2 added to the atmosphere by human activities... leads to the current «perturbed» global carbon cycle... These perturbations to the natural carbon cycle are the dominant driver of climate change because of their persistent effect on the atmosphere.»

Additional interests include the effects of the Pacific Ocean on the climate of British Columbia and how those effects are transmitted through such phenomena as El Niño / Southern Oscillation, the Pacific Decadal Oscillation, and the atmospheric teleconnections they induce.

We do not need models to anticipate that significant rises in atmospheric CO2 concentrations harbor the potential to raise temperatures significantly (Fourier, 1824, Arrhenius, 1896), nor that the warming will cause more water to evaporate (confirmed by satellite data), nor that the additional water will further warm the climate, nor that this effect will be partially offset by latent heat release in the troposphere (the «lapse - rate feedback»), nor that greenhouse gas increases will warm the troposphere but cool the stratosphere, while increases in solar intensity will warm both — one can go on and on

New algorhitm allows researchers to gain additional information on the effects of climate change.

We are also pursuing additional funds to forecast the effects of climate change on wildfire dynamics, and their effects on boreal forest carbon balance.»

If the current instrumental record is a very poor constraint on climate sensitivity — which Figure 2 suggests is the case — then it's entirely possible for the additional decade of temperature data to have no effect whatsoever on estimates of sensitivity.

Add to that the role of the moon and big planets, Jupiter and Saturn, and the effects on the geomagnetic field and galactic cosmic radiation and little is needed — indeed little room is left — for postulating a human causation as an additional factor let alone a rational explanation for all or even most of observed climate change.

Additional runs for 2000 with 1850 climate and for 2030 and 2100 (RCP 8.5) with 2000 emissions are designed to separate the effects of climate change on constituents and for isolating aerosol indirect effects more cleanly using the clear - sky / all - sky flux diagnostics.

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).

In the case of the largest Arctic - flowing river in North America, the Mackenzie River, separating the effects of climate change from regulation has proven difficult because of the additional dampening effects on flow produced by natural storage - release effects of major lake systems (e.g., Gibson et al., 2006; Peters et al., 2006).