搜索结果: 1-11 共查到“大气物理学 Cirrus Clouds”相关记录11条 . 查询时间(0.089 秒)
A Simple Framework for the Dynamic Response of Cirrus Clouds to Local Diabatic Radiative Heating
Simple Framework the Dynamic Response Cirrus Clouds Local Diabatic Radiative Heating
font style='font-size:12px;'>
2012/2/28
This paper presents a simple analytical framework for the dynamic response of cirrus to a local radiative flux convergence, expressible in terms of three independent modes of cloud evolution. Horizont...
Aerosol effects on ice clouds: can the traditional concept of aerosol indirect effects be applied to aerosol-cloud interactions in cirrus clouds?
Aerosol effects ice clouds aerosol indirect effects aerosol-cloud interactions cirrus clouds
font style='font-size:12px;'>
2010/11/29
Cirrus clouds cover approximately 20–25% of the globe and thus play an important role in the Earth's radiation budget. Therefore the effect of aerosols on cirrus clouds can have a substantial impact o...
Cirrus clouds in a global climate model with a statistical cirrus cloud scheme
Cirrus clouds a global climate model a statistical cirrus cloud scheme
font style='font-size:12px;'>
2010/8/13
A statistical cirrus cloud scheme that accounts for mesoscale temperature perturbations is implemented in a coupled aerosol and atmospheric circulation model to better represent both subgrid-scale sup...
Cirrus clouds triggered by radiation, a multiscale phenomenon
Cirrus clouds radiation a multiscale phenomenon
font style='font-size:12px;'>
2010/8/13
In this study, the influence of radiative cooling and small eddies on cirrus formation is investigated. For this purpose the non-hydrostatic, anelastic model EULAG is used with a recently developed an...
Possible influence of anthropogenic aerosols on cirrus clouds and anthropogenic forcing
anthropogenic aerosols cirrus clouds anthropogenic forcing
font style='font-size:12px;'>
2009/3/13
Cirrus clouds have a net warming effect on the atmosphere and cover about 30% of the Earth's area. Aerosol particles initiate ice formation in the upper troposphere through modes of action that includ...
Modelling of cirrus clouds – Part 1a: Model description and validation
Modelling of cirrus clouds Model description
font style='font-size:12px;'>
2009/3/12
A double-moment bulk microphysics scheme for modelling cirrus clouds including explicit impact of aerosols on different types of nucleation mechanism is described. Process rates are formulated in term...
Properties of subvisible cirrus clouds formed by homogeneous freezing
subvisible cirrus clouds homogeneous freezing
font style='font-size:12px;'>
2009/3/12
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are inve...
Indications of thin cirrus clouds in the stratosphere at mid-latitudes
hin cirrus clouds stratosphere mid-latitudes
font style='font-size:12px;'>
2009/2/19
This study is devoted to the possible presence of cirrus clouds in the stratosphere. Three months of lidar data collected in the south of France (44° N) for detection of stratospheric cirrus are caref...
The impact of cirrus clouds on tropical troposphere-to-stratosphere transport
impact of cirrus clouds tropical troposphere-to-stratosphere transport
font style='font-size:12px;'>
2009/1/12
Although it is well known that air enters the stratosphere preferentially through upwelling in the tropics, the exact mechanisms of troposphere-to-stratosphere transport (TST) are still unknown. Previ...
Optical and geometrical characteristics of cirrus clouds over a Southern European lidar station
Optical and geometrical characteristics cirrus clouds Southern European lidar station
font style='font-size:12px;'>
2008/12/24
Optical and geometrical characteristics of cirrus clouds over Thessaloniki, Greece (40.6° N, 22.9° E) have been determined from the analysis of lidar and radiosonde measurements performed during the p...
Is aerosol formation in cirrus clouds possible
aerosol formation cirrus clouds
font style='font-size:12px;'>
2008/12/3
The recent observation of ultrafine aerosol particles in cirrus clouds has raised the question whether aerosol formation within cirrus clouds is possible, and if so, what mechanisms are involved.