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RISThe Effective Cloud Fraction of Broken Clouds Obtained by Multistream Radiative Transfer. Part I: Longwave Radiation
Publisher: American Meteorological Society
Abstract: The influence of broken clouds on radiative flux has provided a major source of uncertainty in radiative transfer models of the atmosphere because plane-parallel approximations are assumed in most of the current atmospheric ...
Aerosol Effects of the Condensation Process on a Convective Cloud Simulation
Publisher: American Meteorological Society
Abstract: sing a nonhydrostatic model with a double-moment bulk cloud microphysics scheme, the authors introduce an aerosol effect on a convective cloud system by accelerating the condensation and evaporation processes (the aerosol ...
Development of a Two-Channel Aerosol Retrieval Algorithm on a Global Scale Using NOAA AVHRR
Publisher: American Meteorological Society
Abstract: This study proposes a two-channel satellite remote sensing algorithm for retrieving the aerosol optical thickness and the Ångström exponent, which is an index for the aerosol size distribution. An efficient lookup table ...
Determination of the Optical Thickness and Effective Particle Radius of Clouds from Reflected Solar Radiation Measurements. Part I: Theory
Publisher: American Meteorological Society
Abstract: A method is presented for determining the optical thickness and effective particle radius of stratiform cloud layers from reflected solar radiation measurements. A detailed study is presented which shows that the cloud ...
Effect of Amazon Smoke on Cloud Microphysics and Albedo-Analysis from Satellite Imagery
Publisher: American Meteorological Society
Abstract: NOAA Advanced Very High Resolution Radiometer images taken over the Brazilian Amazon Basin during the biomass burning season of 1987 are used to study the effect of smoke aerosol particles on the properties of low cumulus ...
Cloud and Water Vapor Feedbacks in a Vertical Energy-Balance Model with Maximum Entropy Production
Publisher: American Meteorological Society
Abstract: A vertically one-dimensional model is developed with cloud fraction constrained by the maximum entropy production (MEP) principle. The model reasonably reproduces the global mean climate with its surface temperature, ...
Refractive Index and Size Distribution of Aerosols as Estimated from Light Scattering Measurements
Publisher: American Meteorological Society
Abstract: Angular distributions of the intensity of light scattered by airborne particles were measured for both parallel and perpendicularly polarized components. A precision polar nephelometer was constructed for use of this study. ...
Investigation of the Vertical Structure of Warm-Cloud Microphysical Properties Using the Cloud Evolution Diagram, CFODD, Simulated by a Three-Dimensional Spectral Bin Microphysical Model
Publisher: American Meteorological Society
Abstract: his paper investigates the vertical structure of warm-cloud microphysical properties using a three-dimensional (3D) spectral bin microphysical model. A time series of contoured frequency by optical depth diagrams (CFODDs), ...
A Global Determination of Cloud Microphysics with AVHRR Remote Sensing
Publisher: American Meteorological Society
Abstract: An algorithm is developed for determining the cloud optical thickness and effective particle radius simultaneously on a global scale using Advanced Very High Resolution Radiometer (AVHRR) multispectral radiance data. In ...
A Study of Microphysical Mechanisms for Correlation Patterns between Droplet Radius and Optical Thickness of Warm Clouds with a Spectral Bin Microphysics Cloud Model
Publisher: American Meteorological Society
Abstract: This study investigates the correlation patterns between cloud droplet effective radius (CDR) and cloud optical thickness (COT) of warm clouds with a nonhydrostatic spectral bin microphysics cloud model. Numerical experiments ...