What question did this study set out to answer?

This research aims to explore how complex terrain affects the dynamics of the Planetary Boundary Layer (PBL) over Taiwan.

April 16, 2026

Investigation of the Impact of Complex Terrain on the Structure of Planetary Boundary Layer Using Vehicle-based Wind Lidar

Key Points

This research aims to explore how complex terrain affects the dynamics of the Planetary Boundary Layer (PBL) over Taiwan.
Utilized vehicle-based wind lidar to measure wind patterns and aerosol distribution within the PBL.
Conducted Large Eddy Simulations (LES) to analyze the effects of mountainous terrain on PBL dynamics.
Examined both upper and lower boundary layers for convection and vertical mixing patterns.
Significant spatial variability in aerosol distribution was observed across the terrain.
Wind patterns within the PBL exhibited strong influence from local topography.
LES simulations confirmed that mountainous terrain triggers convection which enhances vertical mixing.

Abstract

This study investigates the Planetary Boundary Layer (PBL) dynamics over Taiwan's complex terrain using vehicle-based wind lidar. Results reveal significant spatial variability in aerosol distribution and wind patterns within the PBL, highlighting the influence of terrain on atmospheric dynamics. The LES simulations demonstrate the presence of mountainous terrain leads to significant convection occurring in both upper and lower boundary layers, promoting vertical mixing within the basin.

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