搜索结果: 1-15 共查到“大气科学 albedo”相关记录17条 . 查询时间(0.101 秒)
Airborne measurements from two consecutive days, analysed with the aid of an aerosol-adiabatic cloud parcel model, are used to study the effect of carbonaceous aerosol particles on the reflectivity of...
Estimated impact of black carbon deposition during pre-monsoon season from Nepal Climate Observatory – Pyramid data and snow albedo changes over Himalayan glaciers
black carbon deposition pre-monsoon season Nepal Climate Observatory Pyramid data snow albedo Himalayan glaciers
2010/8/16
The possible minimal range of reduction in snow surface albedo due to dry deposition of black carbon (BC) in the pre-monsoon period (March–May) was estimated as a lower bound together with the estimat...
Impact of brown and clear carbon on light absorption enhancement, single scatter albedo and absorption wavelength dependence of black carbon
brown and clear carbon light absorption enhancement single scatter albedo black carbon
2010/8/12
The presence of clear coatings on atmospheric black carbon (BC) particles is known to enhance the magnitude of light absorption by the BC cores. Based on calculations using core/shell Mie theory, we d...
Enhancement of marine cloud albedo via controlled sea spray injections: a global model study of the influence of emission rates, microphysics and transport
marine cloud albedo emission rates microphysics transport
2010/8/12
Modification of cloud albedo by controlled emission of sea spray particles into the atmosphere has been suggested as a possible geoengineering option to slow global warming. Previous global studies ha...
Effects of boundary layer particle formation on cloud droplet number and changes in cloud albedo from 1850 to 2000
boundary layer particle formation cloud droplet number cloud albedo
2010/2/1
We use a global aerosol microphysics model to estimate the effect of particle formation through activation nucleation in the boundary layer (BL) on cloud droplet number concentration (CDNC) on global ...
Aerosol Single Scattering Albedo retrieval in the UV range: an application to OMI satellite validation
Aerosol Single Scattering Albedo retrieval UV range OMI satellite validation
2010/2/1
The aerosol Single Scattering Albedo (SSA) and Absorbing Aerosol Optical Depth (AAOD) at 320.1 nm are derived at Rome site by the comparison between Brewer and modelled spectra. The UVSPEC radiative t...
Bounded cascade clouds:albedo and effective thickness
Bounded cascade clouds albedo effective thickness
2009/11/16
If climate models produced clouds having liquid water amounts close to those observed, they would compute a mean albedo that is often much too large, due to the treatment of clouds as plane-parallel. ...
Retrieval of aerosol single scattering albedo at ultraviolet wavelengths at the T1 site during MILAGRO
aerosol single scattering albedo ultraviolet wavelengths MILAGRO
2009/8/18
Surface measurements of direct and diffuse voltages at UV wavelengths were made at the T1 site during the MILAGRO (Megacity Initiative: Local and Global Research Observations) field campaign in March ...
Saharan dust events at the Jungfraujoch: detection by wavelength dependence of the single scattering albedo and first climatology analysis
Saharan dust events Jungfraujoch single scattering albedo climatology analysis
2009/3/10
Scattering and absorption coefficients have been measured continuously at several wavelengths since March 2001 at the high altitude site Jungfraujoch (3580ma.s.l.). From these data, the wavelength dep...
Aerosol optical properties at Lampedusa （Central Mediterranean）. 2. Determination of single scattering albedo at two wavelengths for different aerosol types
Aerosol optical properties Lampedusa Determination of single scattering albedo wavelengths for different aerosol types
2009/1/4
. Aerosol optical properties were retrieved from direct and diffuse spectral irradiance measurements made by a multi-filter rotating shadowband radiometer (MFRSR) at the island of Lampedusa (35.5° N, ...
Aerosol single-scattering albedo and asymmetry parameter from MFRSR observations during the ARM Aerosol IOP 2003
Aerosol single-scattering albedo asymmetry parameter MFRSR ARM Aerosol
2008/12/12
Multi-filter Rotating Shadowband Radiometers (MFRSRs) provide routine measurements of the aerosol optical depth (τ) at six wavelengths (0.415, 0.5, 0.615, 0.673, 0.870 and 0.94 μm). The single-scatter...
Effective UV surface albedo of seasonally snow-covered lands
UV albedo seasonally snow-covered lands
2008/12/10
At ultraviolet wavelengths the albedo of most natural surfaces is small with the striking exception of snow and ice. Therefore, snow cover is a major challenge for various applications based on radiat...
The relevance of snow for climate studies is based on its physical properties, such as high surface reflectivity. Surface ultraviolet (UV) albedo is an essential parameter for various applications bas...
Mountain sites experience enhanced UV radiation levels due to the concurrent effects of shorter radiation path-length, low aerosol load and high reflectivity of the snow surfaces. This study was encou...
Retrieval of cloud spherical albedo from top-of-atmosphere reflectance measurements performed at a single observation angle
cloud spherical albedo top-of-atmosphere reflectance observation angle
2008/11/12
The paper is aimed to the derivation of the simple analytical relationship between the cloud spherical albedo and the cloud reflection function in the visible. The relationship obtained can be used fo...