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RISTwo-Dimensional Radiative Transfer in Cloudy Atmospheres: The Spherical Harmonic Spatial Grid Method
Publisher: American Meteorological Society
Abstract: A new two-dimensional monochromatic method that computes the transfer of solar or thermal radiation through atmospheres with arbitrary optical properties is described. The model discretizes the radiative transfer equation ...
SHDOMPPDA: A Radiative Transfer Model for Cloudy Sky Data Assimilation
Publisher: American Meteorological Society
Abstract: The spherical harmonics discrete ordinate method for plane-parallel data assimilation (SHDOMPPDA) model is an unpolarized plane-parallel radiative transfer forward model, with corresponding tangent linear and adjoint models, ...
Option Coverage Techniques for Environmental Projects
Publisher: American Society of Civil Engineers
Abstract: Environmental firms are faced both with the prospect of liability claims that may arise long after activities at a project have been completed and the impact of catastrophic events that can severely threaten a firm’s ...
Computational Cost and Accuracy in Calculating Three-Dimensional Radiative Transfer: Results for New Implementations of Monte Carlo and SHDOM
Publisher: American Meteorological Society
Abstract: This paper examines the tradeoffs between computational cost and accuracy for two new state-of-the-art codes for computing three-dimensional radiative transfer: a community Monte Carlo model and a parallel implementation ...
Simple Radiative Transfer Methods for Calculating Domain-Averaged Solar Fluxes in Inhomogeneous Clouds
Publisher: American Meteorological Society
Abstract: The use of cloud fraction as a means of incorporating horizontal cloud inhomogeneity in radiative transfer calculations is widespread in the atmospheric science community. This study addresses some issues pertaining to the ...
Microwave Radiative Transfer through Clouds Composed of Realistically Shaped Ice Crystals. Part I. Single Scattering Properties
Publisher: American Meteorological Society
Abstract: This paper presents the results of a detailed study of the microwave single scattering properties of ice crystals expected in cirrus clouds. The discrete dipole approximation is used to compute scattering quantities of ...
Microweve Radiative Transfer through Clouds Composed of Realistically Shaped Ice Crystals. Part II. Remote Sensing of Ice Clouds
Publisher: American Meteorological Society
Abstract: This paper presents the results of polarized microwave radiative transfer modeling of cirrus clouds containing five different particle shoes and 18 Gamma size distributions. Upwelling brightness temperatures for tropical ...
The Potential for Improved Boundary Layer Cloud Optical Depth Retrievals from the Multiple Directions of MISR
Publisher: American Meteorological Society
Abstract: The Multiangle Imaging Spectroradiometer (MISR) views the earth with nine cameras, ranging from a 70° zenith angle viewing forward through nadir to 70° viewing aft. MISR does not have an operational cloud optical depth ...
Multichannel Satellite Retrieval of Cloud Parameter Probability Distribution Functions
Publisher: American Meteorological Society
Abstract: A retrieval method has been developed to directly retrieve statistics of cloud parameters from Geostationary Operational Environmental Satellite (GOES) visible and infrared imager data. This method retrieves cloud parameter ...
Validation of Cloud-Resolving Model Background Data for Cloud Data Assimilation
Publisher: American Meteorological Society
Abstract: Results from a cloud-resolving model are systematically compared with a variety of observations, both ground based and satellite, in order to better understand the mean background errors and their correlations. This is a ...