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Influence of Beam Broadening on the Accuracy of Radar Polarimetric Rainfall Estimation
Publisher: American Meteorological Society
Abstract: he quantitative estimation of rain rates using meteorological radar has been a major theme in radar meteorology and radar hydrology. The increase of interest in polarimetric radar is in part because polarization diversity ...
A Self-Consistent Numerical Method for Microphysical Retrieval in Rain Using GPM Dual-Wavelength Radar
Publisher: American Meteorological Society
Abstract: n assessment of the performance of a self-consistent numerical method for dual-frequency radar based on the retrieval of microphysical precipitation parameter profiles is presented. From the surface reference technique ...
Evaluation of Attenuation Correction Methodology for Dual-Polarization Radars: Application to X-Band Systems
Publisher: American Meteorological Society
Abstract: Monitoring of precipitation using high-frequency radar systems, such as the X band, is becoming increasingly popular because of their lower cost compared to their S-band counterpart. However, at higher frequencies, such ...
Identification of the Melting Layer through Dual-Polarization Radar Measurements at Vertical Incidence
Publisher: American Meteorological Society
Abstract: Features of the melting layer of precipitation such as height and thickness are important in many meteorological applications. Doppler radar observations with a vertically pointing antenna have often been used in order to ...
Theory and Optimization of the Excess Bias Measurement
Publisher: American Meteorological Society
Abstract: In this paper we explain the general theory of the excess bias measurement as a radar parameter suitable for deriving information of meteorological relevance from the fluctuation of weather echoes. Since the excess bias ...
Practical Aspects of Radar Rainfall Estimation Using Specific Differential Propagation Phase
Publisher: American Meteorological Society
Abstract: Rainfall estimation using specific differential phase (KDP) involves estimation of KDP over a propagation path. The choice of pathlength plays an important role in the performance of rainfall algorithms using KDP. The ...
Correction of X-Band Radar Observation for Propagation Effects Based on the Self-Consistency Principle
Publisher: American Meteorological Society
Abstract: New algorithms for rain attenuation correction of reflectivity factor and differential reflectivity are presented. Following the methodology suggested for the first time by Gorgucci et al., the new algorithms are developed ...
Radar Receiver Calibration by Means of Multiple Processing of Weather Echoes
Publisher: American Meteorological Society
Abstract: In this paper we analyze a method of real-time radar receiver calibration by means of multiple processing of the same meteorological echoes collected during the routine measurements. It is shown that the method is independent ...
A Robust Estimator of Rainfall Rate Using Differential Reflectivity
Publisher: American Meteorological Society
Abstract: Conventional estimator of rainfall rate using reflectivity factor and differential reflectivity ZDR becomes unstable when the measured values of ZDR are small due to measurement errors. An alternate estimator of rainfall ...
What Is the Shape of a Raindrop? An Answer from Radar Measurements
Publisher: American Meteorological Society
Abstract: In a previous study, Gorgucci et al. showed the potential advantage of using together polarimetric radar measurements of reflectivity factor, differential reflectivity, and specific differential propagation phase, in order ...