Sentences with phrase «resulting changes in the atmospheric temperature»

Resulting changes in the atmospheric temperature structure, including from surface dimming, in turn affect regional circulation and precipitation patterns.

Not exact matches

The results suggest that the impact of sea ice seems critical for the Arctic surface temperature changes, but the temperature trend elsewhere seems rather due mainly to changes in ocean surface temperatures and atmospheric variability.
The team analyzed an index of sea surface temperatures from the Bering Sea and found that in years with higher than average Arctic temperatures, changes in atmospheric circulation resulted in the aforementioned anomalous climates throughout North America.
While ECS is the equilibrium global mean temperature change that eventually results from atmospheric CO2 doubling, the smaller TCR refers to the global mean temperature change that is realised at the time of CO2 doubling under an idealised scenario in which CO2 concentrations increase by 1 % yr — 1 (Cubasch et al., 2001; see also Section 8.6.2.1).
Some global warming «skeptics» argue that the Earth's climate sensitivity is so low that a doubling of atmospheric CO2 will result in a surface temperature change on the order of 1 °C or less, and that therefore global warming is nothing to worry about.
Scientists agree that a doubling of atmospheric CO2 levels could result in temperature increases of between 1.5 and 4.5 °C, caused by rapid changes such as snow and ice melt, and the behaviour of clouds and water vapour.
In a series of papers, we've shown that the warmer temperatures observed over the WAIS are the result of those same atmospheric circulation changes, which are not related to the SAM, but rather to the remote forcing from changes in the tropical Pacific: changes in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012In a series of papers, we've shown that the warmer temperatures observed over the WAIS are the result of those same atmospheric circulation changes, which are not related to the SAM, but rather to the remote forcing from changes in the tropical Pacific: changes in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012in the tropical Pacific: changes in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012).
Seeing this as a baseline, positive CO2 feedback from temperature changes, or a running out of capacity for greater uptake from CO2 accumulation, would be seen as adding more CO2 to the air in addition to anthropogenic releases, but it would have to surpass some level before it would result in a total atmospheric accumulation of CO2 greater than anthropogenic emissions (first, as a rate, and later, cummulative change).
The changes in atmospheric CO2 concentration resulting from human consumption of fossil fuels cause most of both the temperature increase and the changes in the seasonal cycle.»
With one band (along with the convective lapse rate below the tropopause) establishing the atmospheric temperature profile, adding some other band of absorption may result in some different pattern of temperature change.
The atmospheric Greenhouse Effect merely sets a theoretical background atmospheric temperature level that is continually overridden as a result of the size of the constant interlinked changes in both the solar and oceanic heat inputs.
For example, let's say that evidence convinced me (in a way that I wasn't convinced previously) that all recent changes in land surface temperatures and sea surface temperatures and atmospheric temperatures and deep sea temperatures and sea ice extent and sea ice volume and sea ice density and moisture content in the air and cloud coverage and rainfall and measures of extreme weather were all directly tied to internal natural variability, and that I can now see that as the result of a statistical modeling of the trends as associated with natural phenomena.
While ECS is the equilibrium global mean temperature change that eventually results from atmospheric CO2 doubling, the smaller TCR refers to the global mean temperature change that is realised at the time of CO2 doubling under an idealised scenario in which CO2 concentrations increase by 1 % yr — 1 (Cubasch et al., 2001; see also Section 8.6.2.1).
Elsewhere on this site there is a graph of overall ocean heat content which is building indicating that while the sst is decreasing slightly the overall ocean is warming, It is likely that this overall ocean warming which has nothing to do with changes to the atmospheric temperature because it is the sea surface and not the deep ocean that is in contact with the atmosphere is what is resulting in the overall rise in atmospheric CO2 concentration which is currenly increasing at 2ppmv / year.
Despite a half century of climate change that has significantly affected temperature and precipitation patterns and has already had widespread ecological and hydrological impacts, and despite a near certainty that the United States will experience at least as much climate change in the coming decades, just as a result of the current atmospheric concentrations of greenhouse gases, those organizations in the public and private sectors that are most at risk, that are making long - term investments and commitments, and that have the planning, forecasting and institutional capacity to adapt, have not yet done so.
States that other feedbacks likely to emerge are those in which key processes include surface fluxes of trace gases, changes in the distribution of vegetation, changes in surface soil moisture, changes in atmospheric water vapor arising from higher temperatures and greater areas of open ocean, impacts of Arctic freshwater fluxes on the meridional overturning circulation of the ocean, and changes in Arctic clouds resulting from changes in water vapor content
The seasonal climate may relate to changes in the ocean circulation pattern prior to 4.6 Ma that resulted in an increased temperature and atmospheric pressure gradient between the east coast of North America and the Atlantic Ocean, but this climate phase seems to be only a temporary condition, as underlying and overlying sediment are both consistent with drier conditions.
We can all observe the greening that more atmospheric CO2 brings, but this greening is unlikely to result in measurable surface temperature change.
The authors developed scenarios of global CO2 emissions from existing infrastructure directly emitting CO2 to the atmosphere for the period 2010 to 2060 (with emissions approaching zero at the end of this time period) and used the University of Victoria Earth System Climate Model to project the resulting changes in atmospheric CO2 and global mean temperature.
Other hypotheses, predict the opposite — that the atmospheric response will counteract the CO2 increase and result in insignificant changes in global temperature.
For the authors of the paper to assess the spectral results against theory they needed to know the atmospheric profile of temperature and humidity, as well as changes in the well - studied trace gases like CO2 and methane.
Long - term Cenozoic temperature trends, the warming up to about 50 Myr before present (BP) and subsequent long - term cooling, are likely to be, at least in large part, a result of the changing natural source of atmospheric CO2, which is volcanic emissions that occur mainly at continental margins due to plate tectonics (popularly «continental drift»); tectonic activity also affects the weathering sink for CO2 by exposing fresh rock.
It is well known that a doubling of atmospheric CO2 levels could result in temperature increases of between 1.5 and 4.5 °C, due to fast changes such as snow and ice melt, and the behaviour of clouds and water vapour.
In the idealised situation that the climate response to a doubling of atmospheric CO2 consisted of a uniform temperature change only, with no feedbacks operating (but allowing for the enhanced radiative cooling resulting from the temperature increase), the global warming from GCMs would be around 1.2 °C (Hansen et al., 1984; Bony et al., 2006).
The IPCC defines Equilibrium climate sensitivity as the change in global mean temperature that results when the climate system, or a climate model, attains a new equilibrium with the forcing change resulting from a doubling of the atmospheric CO2 concentration.
When heavy rainfall probabilities were next investigated in ensembles of two atmospheric general circulation models, run with and without anthropogenically - induced sea surface temperature changes, results were model - dependent.
Project changes in average global temperature and / or climate resulting from these future atmospheric GHG concentrations;
The changing sea surface temperatures influence atmospheric movements in the Tropical Convergence Zone resulting in periods of more frequent and intense El Nino and, alternatively, periods of more frequent and intense La Nina.
The test results indicate that the radiative forcing due to changes in the atmospheric concentrations of CO2, CH4, CFCs, and N2O, emissions of SOX, CO2, CH4, and CFCs and solar irradiance contain a unit root while most tests indicate that temperature does not.
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