نتایج جستجو برای: may affect cloud formation
تعداد نتایج: 2439835 فیلتر نتایج به سال:
We have investigated the sensitivity of the intensity of convective activity and atmospheric radiative cooling to radiatively thick upper-tropospheric clouds using a new version of the Colorado State University General Circulation Model. The model includes a bulk cloud microphysics scheme to predict the formation of cloud water, cloud ice, rain, and snow. The cloud optical properties are intera...
Now a day’s rapidly increased use of cloud computing in the many organization and IT industries and provides new software with low cost [1]. So the cloud computing give us lot of benefits with low cost and of data accessibility through Internet. The ensuring security risks of the cloud computing is the main factor in the cloud computing environment, for example sensitive information with cloud ...
Aerosol can affect clouds in various ways. Beside the microphysical impact of aerosol particles on cloud formation, interference with atmospheric radiation leads to changes local heating, surface fluxes and thus mesoscale circulations, all which may also modify clouds. Rather little is known about these so-called semi-direct effects realistic settings – a reason why this study investigates abso...
The presence of atomic gas mixed with molecular species in a “molecular” cloud may significantly affect its chemistry, the excitation of some species, and can serve as probe of the cloud’s evolution. Cold neutral atomic hydrogen (HI) in molecular clouds is revealed by its self absorption of background galactic HI 21-cm emission. The properties of this gas can be investigated quantitatively thro...
[1] A 1000 km long cloud-line over the major axis of the Gulf Stream was detected in imagery from a number of satellites on April 24, 2001. Analysis of environmental conditions shows that such a cloud-line is formed when the synoptic low-level wind is parallel to the Gulf Stream axis and the sky is clear, conditions that rarely occur in the hightemperature and high-moisture Gulf Stream region. ...
Cloud computing is a platform that provides user to implement revolutionary technologies. The main phenomena of cloud computing is based on accessing the resources using remote computation. Task scheduling is one of the major area that should be focused on. In cloud environment there may be a condition where the resources are limited that may affect resource availability. This paper presents an...
on- the-job training on of the most effective tools for managers to cope with the changing organizational environment. it grantess suitable services to customers, particularly in public service enterprises. if such training os goal oriented, planned systematically, and tailored to the employees, job content, then not only it could increase employees and organizational performance, but also it c...
The particle formation scheme within PMCAMxUF, a three-dimensional chemical transport model, was updated with particle formation rates for the ternary H2SO4– NH3–H2O pathway simulated by the Atmospheric Cluster Dynamics Code (ACDC) using quantum chemical input data. The model was applied over Europe for May 2008, during which the EUCAARI-LONGREX (European Aerosol Cloud Climate and Air Quality I...
We investigate whether or not the low ionisation fractions in molecular cloud cores can solve the ‘magnetic braking catastrophe’, where magnetic fields prevent the formation of circumstellar discs around young stars. We perform three-dimensional smoothed particle non-ideal magnetohydrodynamics (MHD) simulations of the gravitational collapse of one solar mass molecular cloud cores, incorporating...
Ice nucleating particles (INP) active at a few degrees below 0°C are produced by a range of organisms and released into the environment. They may affect cloud properties and precipitation when becoming airborne. So far, our knowledge about sources of biological INP is based on grab samples of vegetation, soil or water studied in the laboratory. By combining measurements of INP concentrations in...
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