Sentences with phrase «on radiative properties»

Bauer, S.E., M.I. Mishchenko, A.A. Lacis, S. Zhang, J.P. Perlwitz, and S.M. Metzger, 2007: Do sulfate and nitrate coatings on mineral dust have important effects on radiative properties and climate modeling?

But based on the radiative properties, there is broad agreement that, all things being equal, a doubling of CO2 will yield a temperature increase of a bit more than 1 C if feedbacks are ignored.

He thought that this connection might occur via the effect of cosmic ray induced ionization on aerosol and cloud condensation nuclei and thus on the radiative properties of clouds.

This reversed in 1976/77 — and the renewed warming sparked renewed interest in the work on radiative properties of gases and the measurements of Charles Keeling.

Is there any one here denying that smoking kills — or indeed that there is an effect from greenhouse gases on radiative properties of the atmosphere?

Re: «Is there any one here denying that smoking kills — or indeed that there is an effect from greenhouse gases on radiative properties of the atmosphere?»

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.

Not exact matches

Brian Drouin of JPL is currently doing just that, measuring how temperature and pressure affect the radiative properties of water vapor on Earth, which in turn influence the propagation of GPS signals.

What is missing is the more quantitative information on aerosol radiative properties, geographical distributions, trends, and observational results (including uncertainties) that can be found in the IPCC AR4 Report.

Given that the radiative properties of CO2 have been proven in the laboratory, you would expect them to be same in the atmosphere, given that they are dependent on CO2's unchanging molecular structure.

It doesn't have any influence on the attribution of current climate changes to human forcings, it doesn't impact the radiative properties of CO2, so really, why do you care so much that you are willing to just make up stuff?

In addition to climate sensitivity being depenent on climatic state, there is also the fact that radiative forcing, for the same change in optical properties / composition, is dependent on climatic state.

CO2's direct influence on convection (via gas properties) is almost certainly negligible; it's the radiative influence on the temperature gradient that matters.

The moon example was to illustrate that with radiative heat transfer, cooler objects can transfer heat to warmer ones, because heat outflux is solely dependent on the temperature and material properties of the radiator.

In addition the measurement is non-trivial, because as Mosh has tirelessly pointed out, the act of spectroscopically measuring thermal radiation is dependent on a model of the radiative properties of the atmosphere.

To evaluate the global effects of aerosols on the direct radiative balance, tropospheric chemistry, and cloud properties of the earth's atmosphere requires high - precision remote sensing that is sensitive to the aerosol optical thickness, size istribution, refractive index, and number density.

See Mosh's arguments on how skeptics misapply the same radiative properties that they are trying to disprove.

The top post and most scientists seem to agree, so you have a lot of work to do to convince people that changing the radiative properties will have NO effect on temperature.

It is found that the stability and sensitivity properties of the ZDM and Model A are very similar, both depending only on the global - mean radiative response coefficient and the global - mean forcing.

Land cover and land use change may have an impact on the surface albedo, evapotranspiration, sources and sinks of heat - trapping gases (greenhouse gases), or other properties of the climate system and may thus have a radiative forcing and / or other impacts on climate, locally or globally.

The Eastern North Atlantic instrument field covers a variety of meteorological measurements focusing on atmospheric and boundary properties, surface and radiative fluxes, and precipitation.

F., M. Köhler, J. D. Farrara and C. R. Mechoso, 2002: The impact of stratocumulus cloud radiative properties on surface heat fluxes simulated with a general circulation model.

The current focus of the program is aerosol radiative forcing of climate: aerosol formation and evolution and aerosol properties that affect direct and indirect influences on climate and climate change.»

Although we focus on a hypothesized CR - cloud connection, we note that it is difficult to separate changes in the CR flux from accompanying variations in solar irradiance and the solar wind, for which numerous causal links to climate have also been proposed, including: the influence of UV spectral irradiance on stratospheric heating and dynamic stratosphere - troposphere links (Haigh 1996); UV irradiance and radiative damage to phytoplankton influencing the release of volatile precursor compounds which form sulphate aerosols over ocean environments (Kniveton et al. 2003); an amplification of total solar irradiance (TSI) variations by the addition of energy in cloud - free regions enhancing tropospheric circulation features (Meehl et al. 2008; Roy & Haigh 2010); numerous solar - related influences (including solar wind inputs) to the properties of the global electric circuit (GEC) and associated microphysical cloud changes (Tinsley 2008).

«While we have hypotheses about how the radiative properties may be affected within a single cloud,» Anna Possner explains, «we are limited in our understanding of how the presence of ice crystals impacts the areal coverage and reflective properties on the scale of an entire cloud field.»

effects of aerosols on cloud properties (including cloud fraction, cloud microphysical parameters, and precipitation efficiency), which may modify the hydrological cycle without significant radiative impacts;

Based on the understanding of both the physical processes that control key climate feedbacks (see Section 8.6.3), and also the origin of inter-model differences in the simulation of feedbacks (see Section 8.6.2), the following climate characteristics appear to be particularly important: (i) for the water vapour and lapse rate feedbacks, the response of upper - tropospheric RH and lapse rate to interannual or decadal changes in climate; (ii) for cloud feedbacks, the response of boundary - layer clouds and anvil clouds to a change in surface or atmospheric conditions and the change in cloud radiative properties associated with a change in extratropical synoptic weather systems; (iii) for snow albedo feedbacks, the relationship between surface air temperature and snow melt over northern land areas during spring and (iv) for sea ice feedbacks, the simulation of sea ice thickness.

All the authors on radiative heat transfer states that the carbon dioxide emissivity at 1000 °C is not more than 0.157; so where is the physical property of the carbon dioxide that enables it to have an emissivity ten times higher than that of a blackbody?

While they show that there is indeed an influence on a molecule's radiative efficiency with respect to whether a CF3 group is bonded to the ether oxygen atom or whether it is more removed from the ether oxygen, for example, their study misses the underlying fundamental molecular properties responsible for radiative efficiency.