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RISAMSU-B Observations of Mixed-Phase Clouds over Land
Publisher: American Meteorological Society
Abstract: Measurements from passive microwave satellite instruments such as the Advanced Microwave Sounding Unit B (AMSU-B) are sensitive to both liquid and ice cloud particles. Radiative transfer modeling is exploited to simulate ...
Sources of Error in Dual-Wavelength Radar Remote Sensing of Cloud Liquid Water Content
Publisher: American Meteorological Society
Abstract: Dual-wavelength ratio (DWR) techniques offer the prospect of producing high-resolution mapping of cloud microphysical properties, including retrievals of cloud liquid water content (LWC) from reflectivity measured by ...
Comparison of Polarimetric Radar Drop Size Distribution Retrieval Algorithms
Publisher: American Meteorological Society
Abstract: Recently, two physically based algorithms, the ?beta? (?) method and the ?constrained-gamma? method, have been proposed for retrieving the governing parameters of the gamma drop size distribution (DSD) from polarimetric ...
Multiparameter Radar Modeling and Observations of Melting Ice
Publisher: American Meteorological Society
Abstract: This paper uses a microphysically detailed graupel and hail melting model, described by Rasmussen and Heymsfield, which is coupled to a radar model that computes multiparameter variables such as differential reflectivity, ...
Polarimetric Radar Estimators Based on a Constrained Gamma Drop Size Distribution Model
Publisher: American Meteorological Society
Abstract: Raindrop size distribution (DSD) retrieval from remote radar measurements or from in situ disdrometer measurements is an important area of research. If the shape (?) and slope (?) of a three-parameter gamma distribution ...
An Evaluation of a Drop Distribution–Based Polarimetric Radar Rainfall Estimator
Publisher: American Meteorological Society
Abstract: A method for estimating the governing parameters of gamma drop size distributions (DSDs) and associated rainfall rates from polarimetric radar measurements at the S band is examined. The technique uses radar reflectivity ...
An Assessment of Droplet Size and Liquid Water Content Derived from Dual-Wavelength Radar Measurements to the Application of Aircraft Icing Detection
Publisher: American Meteorological Society
Abstract: Multiple parameters are needed to adequately describe the icing condition of clouds, yet those that can be accurately measured using remote sensors are usually limited. In this paper, a detection and classification method ...
Ice Water Path Estimation and Characterization Using Passive Microwave Radiometry
Publisher: American Meteorological Society
Abstract: Microwave emission emerging from a precipitating cloud top and lying in a radiometer's field of view represents the culmination of a complex interaction between emitted microwave radiation and its ongoing extinction through ...
Experiments in Rainfall Estimation with a Polarimetric Radar in a Subtropical Environment
Publisher: American Meteorological Society
Abstract: A unique dataset consisting of high-resolution polarimetric radar measurements and dense rain gauge and disdrometer observations collected in east-central Florida during the summer of 1998 was examined. Comparison of the ...
Drop Size Distribution Retrieval with Polarimetric Radar: Model and Application
Publisher: American Meteorological Society
Abstract: Polarimetric radar measurements are used to retrieve properties of raindrop distributions. The procedure assumes that drops are represented by a gamma distribution and retrieves the governing parameters from an empirical ...