搜索结果: 1-15 共查到“大气物理学 Microphysical”相关记录16条 . 查询时间(0.296 秒)
Soot microphysical effects on liquid clouds, a multi-model investigation
carbonaceous aerosols liquid clouds a multi-model investigation
2011/2/25
We use global models to explore the microphysical effects of carbonaceous aerosols on liquid clouds. Although absorption of solar radiation by soot warms the atmosphere, soot may cause climate cooling...
Observations of Saharan dust microphysical and optical properties from the Eastern Atlantic during NAMMA airborne field campaign
Saharan dust microphysical optical properties the Eastern Atlantic NAMMA airborne field campaign
2011/2/24
As part of the international project entitled "African Monsoon Multidisciplinary Analysis (AMMA)", NAMMA (NASA AMMA) aimed to gain a better understanding of the relationship between the African Easter...
A global modeling study on carbonaceous aerosol microphysical characteristics and radiative effects
carbonaceous aerosol microphysical characteristics radiative effects
2010/8/16
Our best estimate for net direct and indirect aerosol radiative flux change between 1750 and 2000 is −0.56 W/m2. However, the direct and indirect aerosol effects are quite sensitive to the black...
On microphysical processes of noctilucent clouds (NLC): observations and modeling of mean and width of the particle size-distribution
noctilucent clouds the particle size-distribution
2010/8/16
Noctilucent clouds (NLC) in the polar summer mesopause region have been observed in Norway (69° N, 16° E) between 1998 and 2009 by 3-color lidar technique. Assuming a mono-modal Gaussian size distribu...
Modelling microphysical and meteorological controls on precipitation and cloud cellular structures in Southeast Pacific stratocumulus
microphysical and meteorological controls precipitation cloud cellular structures Southeast Pacific stratocumulus
2010/8/16
Microphysical and meteorological controls on the formation of open and closed cellular structures in the Southeast Pacific are explored using model simulations based on aircraft observations during th...
Microphysical variability in southeast Pacific Stratocumulus clouds: synoptic conditions and radiative response
Microphysical variability southeast Pacific Stratocumulus clouds synoptic conditions radiative response
2010/8/16
Synoptic and satellite-derived cloud property variations for the southeast Pacific stratocumulus region associated with changes in coastal satellite-derived cloud droplet number concentrations (Nd) ar...
Parametric representation of the cloud droplet spectra for LES warm bulk microphysical schemes
the cloud droplet spectra LES warm bulk microphysical schemes
2010/8/13
Parametric functions are currently used to represent droplet spectra in clouds and to develop bulk parameterizations of the microphysical processes and of their interactions with radiation. The most f...
Optimal estimation retrieval of aerosol microphysical properties from SAGE~II satellite observations in the volcanically unperturbed lower stratosphere
Optimal estimation aerosol microphysical properties SAGE~II satellite observations lower stratosphere
2010/8/12
Stratospheric aerosol particles under non-volcanic conditions are typically smaller than 0.1 μm. Due to fundamental limitations of the scattering theory in the Rayleigh limit, these tiny particles are...
Effect of hygroscopic seeding on warm rain clouds – numerical study using a hybrid cloud microphysical model
hygroscopic seeding warm rain clouds numerical study a hybrid cloud microphysical model
2010/8/12
The effect of hygroscopic seeding on warm rain clouds was examined using a hybrid cloud microphysical model combining a Lagrangian Cloud Condensation Nuclei (CCN) activation model, a semi-Lagrangian d...
Parametric studies of contrail ice particle formation in jet regime using microphysical parcel modeling
contrail ice particle formation jet regime microphysical parcel modeling
2010/8/12
Condensation trails (contrails) formed from water vapor emissions behind aircraft engines are the most uncertain components of the aviation impacts on climate change. To gain improved knowledge of con...
Microphysical and radiative characterization of a subvisible midlevel Arctic ice cloud by airborne observations – a case study
subvisible midlevel Arctic ice cloud airborne observations Microphysical and radiative characterization
2009/5/6
During the Arctic Study of Tropospheric Aerosol, Clouds and Radiation (ASTAR) campaign, which was conducted in March and April 2007, an optically thin ice cloud was observed south of Svalbard at aroun...
NAT-rock formation by mother clouds: a microphysical model study
NAT-rock formation mother clouds microphysical model
2009/3/12
Polar stratospheric clouds (PSCs) of type 1a or 1a-enh containing high number densities of nitric acid trihydrate (NAT) particles, can act as mother clouds for extremely large NAT particles, termed NA...
Distribution of meteoric smoke – sensitivity to microphysical properties and atmospheric conditions
Distribution of meteoric smoke microphysical properties atmospheric conditions
2009/1/15
Meteoroids entering the Earth's atmosphere experience strong deceleration and ablate, whereupon the resulting material is believed to re-condense to nanometre-size "smoke particles". These particles a...
Development of a cloud microphysical model and parameterizations to describe the effect of CCN on warm cloud
cloud microphysical model parameterizations CCN warm cloud
2009/1/13
First, a hybrid cloud microphysical model was developed that incorporates both Lagrangian and Eulerian frameworks to study quantitatively the effect of cloud condensation nuclei (CCN) on the precipita...
Advection patterns and aerosol optical and microphysical properties by AERONET over south-east Italy in the central Mediterranean
aerosol optical microphysical properties south-east Italy central Mediterranean
2008/11/4
Aerosol products by AERONET sun-sky radiometer measurements combined with air-mass backtrajectories were analyzed to identify source regions and pathways of air masses carrying aerosols to south-east ...