Sentences with phrase «in radiative forcing»
These scenarios represent a future with an increase in radiative forcing of 4.5 or 8.5 watts / m2, respectively.
montanaclimate.org
The increase in sulfur emissions slows the increase in radiative forcing due to rising greenhouse gas concentrations (Fig. 1).
Table 6.4 shows that this is substantial, indicating that differences in the radiative forcing are not due solely to different mass loading.
The report not only compared the changes in radiative forcing over the last 20 years, it also highlighted the quantities of greenhouse gases in the atmosphere.
There is simply no other mechanism that can explain the significantly altered climate path and the changes in the radiative forcing other than human causes.
After all, halocarbons have added a quarter of the longer term CO2 increase in radiative forcing from CO2 (from 1750 to the present day) in just half a century.
Heintzenberg and Wendisch (1996) showed that the decrease in radiative forcing due to a decrease in soot concentrations with increasing distances from the pollution sources could be compensated by a concurrent increase in the fraction of soot which is incorporated in the cloud droplets.
Absorption in the atmosphere of solar radiation by CO2 doesn't buy you any reduction in the radiative forcing which is conventionally applied to the whole atmosphere and surface.
They, too, assume an equivalence in radiative forcing between GHG and aerosol, What they do is add different estimates of the aerosol radiative forcing to the GHG forcing, while keeping the temperature response fixed at the observed recent warming.
«The proportionality of warming to cumulative emissions depends in part on a cancellation of the saturation of carbon sinks with increasing cumulative emissions (leading to a larger airborne fraction of cumulative emissions for higher emissions) and the logarithmic dependence of radiative forcing on atmospheric CO2 concentration [leading to a smaller increase in radiative forcing per unit increase in atmospheric CO2 at higher CO2 concentrations; Matthews et al. (2009)-RSB-.
As future changes in total solar irradiance and volcanic activity remain unknown, they are not included in radiative forcing calculations used for future climate simulations [58].
As with CO2, we calculate the equilibrium temperature change by multiplying the change in radiative forcing by the climate sensitivity parameter (λ).
These measurements are useful for calculating parameters used in radiative forcing calculations, such as the aerosol single scattering albedo, asymmetry parameter, mass scattering efficiency, and hygroscopic growth.
But models based on physical principles also reproduce the response to seasonal and spatial changes in radiative forcing fairly well, which is one of the many lines of evidence that supports their use in their prediction of the response to anthropogenic forcing.
During the study period, they noticed a dip in radiative forcing in the spring - a time when flowers and plants are flourishing and taking up more CO2 from the air.