Abstract
This paper compares the wind fields measured by the meteor radar at Mohe, Beijing, Wuhan, and Sanya stations and horizontal wind model (HWM14) predictions. HWM14 appears to successfully reproduce the height-time distribution of the monthly mean zonal winds, although large discrepancies occur in wind speed between the model and measurement, especially in the summer and winter months. For meridional wind, the consistency between model prediction and radar observation is worse than that of zonal wind. The consistency between radar measurements and model prediction at Sanya station is worse than other sites located at higher latitudes. Harmonic analysis reveals large discrepancies in diurnal, semidiurnal, and terdiurnal tides extracted from meteor radar observations and HWM14 predictions.
Highlights
Horizontal wind field at mesosphere and lower thermosphere (MLT) is an important parameter to present the general circulation at this level
Terdiurnal tide obtained from radar measured zonal and meridional is relative stable during a whole year, two obvious enhancements are seen in July and October in is merely seen above 95 km altitude in model calculation during this time period
HWM14 model predicted mean winds summarized as tween radar
Summary
Horizontal Wind Model (HWM14). Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// 4.0/).
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