搜索结果: 1-15 共查到“Cirrus Clouds”相关记录21条 . 查询时间(0.14 秒)
Lidar Studies on The Optical Characteristics of High Altitude Cirrus Clouds at A Low Latitiude Station, Gadanki (13.5°N , 79.2°E ) India
Lidar Cirrus Clouds Optical Depth Lidar ratio Depolarization
2014/12/15
Light Detection and Ranging (LIDAR) which is analogous to Radio Detection And Ranging (RADAR), has become an important and unique technology for atmospheric research and applications. The technology i...
Climatology Of Thin Cirrus Clouds at Gadanki (13.5°N, 79.2°E) Using Ground Based Lidar And Satellite Based Measurements
Remote sensing Atmosphere Lidar Cirrus clouds Optical depth Depolarization ratio Lidar ratio
2014/12/15
High altitude cirrus clouds play a significant role in the radiative balance of Earth atmosphere system. Information on cirrus occurrences and their optical properties is essential for climate modelin...
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
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...
Cirrus Clouds and Multiple Tropopause Events over Buenos Aires
Multitropopause Events Cirrus Clouds Lidar
2013/2/26
Lidar measurements of midlatitude cirrus clouds over Buenos Aires, collected between 2002 and 2003 are compared with multiple tropopauses (MT) retrieved from rawinsonde temperature retrievals. Results...
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
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
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
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...
Modelling of cirrus clouds – Part 2: Competition of different nucleation mechanisms
Modelling of cirrus clouds different nucleation mechanisms
2009/5/7
We study the competition of two different freezing mechanisms (homogeneous and heterogeneous freezing) in the same environment for cold cirrus clouds. To this goal we use the recently developed and va...
Possible influence of anthropogenic aerosols on cirrus clouds and anthropogenic forcing
anthropogenic aerosols cirrus clouds anthropogenic forcing
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 1b: Structuring cirrus clouds by dynamics
cirrus clouds Structuring cirrus clouds dynamics
2009/3/12
A recently developed and validated bulk microphysics scheme for modelling cirrus clouds (Spichtinger and Gierens, 2009), implemented into the anelastic non-hydrostatic model EULAG is used for investig...
Modelling of cirrus clouds – Part 1a: Model description and validation
Modelling of cirrus clouds Model description
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
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...
We have analysed relative humidity statistics from measurements in cirrus clouds taken unintentionally during the Measurement of OZone by Airbus In-service airCraft project (MOZAIC). The shapes of the...
The vertical distribution of aerosols, Saharan dust and cirrus clouds in Rome (Italy) in the year 2001
aerosols Saharan dust cirrus clouds Rome
2009/2/23
A set of 813 lidar profiles of tropospheric aerosol and cirrus clouds extinction and depolarization observed in Rome, Italy, between February 2001 and February 2002 is analyzed and discussed. The year...
Indications of thin cirrus clouds in the stratosphere at mid-latitudes
hin cirrus clouds stratosphere mid-latitudes
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...