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Velocity-Azimuth Display×Dual-Polarisatie Radar×Thermische wind×WRF Model×
VakgebiedMeteorologieMeteorologieMeteorologieMeteorologie
FamilieProcess / pipelineProcess / pipelineProcess / pipelineProcess / pipeline
Jaar van ontstaan19681990s1920s2000
GrondleggerBrowning and WexlerBringi, ChandrasekarJacobbian insights from geostrophic flowSkamarock and Klemp
TypeRadar wind retrieval methodRadar measurement techniqueWind-temperature relationshipAtmospheric simulation system
Oorspronkelijke bronBrowning, K. A., & Wexler, R. (1968). The determination of kinematic properties of a wind field using Doppler radar. Journal of Applied Meteorology, 7(1), 105-113. DOI ↗Kumjian, M. R. (2013). The impact of precipitation on supercell electrification: Lightning potential and storm structure changes. Journal of the Atmospheric Sciences, 69(11), 3353-3375. link ↗Holton, J. R. (2004). An Introduction to Dynamic Meteorology (4th ed.). Academic Press. link ↗Skamarock, W. C., Klemp, J. B., Dudhia, J., et al. (2008). A Description of the Advanced Research WRF Version 3. NCAR Technical Note NCAR/TN-475+STR. link ↗
AliassenVAD, VAD analysis, Velocity-height profileDual-pol radar, Polarimetric radar, Dual-polarization, Dual-polThermal wind, Vertical wind shear, BarotropicWeather Research and Forecasting, WRF, ARW, NMM
Verwant3334
SamenvattingThe Velocity-Azimuth Display (VAD) is a radar analysis technique that extracts the radial velocity of wind at a constant altitude as a function of azimuth angle around the radar. By fitting a sinusoidal pattern to these measurements, VAD retrieves the mean wind speed and direction at that altitude, providing wind profiles without requiring multiple radar observations.Dual-polarization (dual-pol) radar is a weather radar system that transmits and receives electromagnetic waves in both horizontal and vertical polarizations simultaneously. This technique, operational in weather services since the 2010s, provides detailed information about precipitation particle type, shape, and size distribution, enabling improved rainfall estimates and better discrimination of hail, rain, and snow.The thermal wind relationship is a fundamental meteorological principle that links vertical wind shear to horizontal temperature gradients. It states that wind speed increases with height in the direction of warming—a direct consequence of hydrostatic and geostrophic balance combined with the ideal gas law.The Weather Research and Forecasting (WRF) model is a mesoscale atmospheric simulation system used for weather forecasting, research, and climate applications. Developed cooperatively by NCAR, NOAA, and academic institutions, WRF became operational in 2004 and has become one of the most widely used atmospheric models worldwide.
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ScholarGateMethoden vergelijken: Velocity-Azimuth Display · Dual-Polarization Radar · Thermal Wind · WRF Model. Geraadpleegd op 2026-06-20 via https://scholargate.app/nl/compare