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Scale interactions and energy transfer in urban convective boundary layers using SPOD
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DOI：10.1016/j.scs.2026.107728.png)
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Abstract
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• Coherent structures in urban convective boundary layers are examined by LES and SPOD. • Instability shifts flow energy and coherence toward low-frequency, large-scale motions. • Dominant structures evolve from shear-driven streaks to buoyancy-driven, plume-like motions. • Momentum and heat show distinct scale-dependent responses to atmospheric stability. • Low-frequency large-scale motions modulate canopy turbulence, recovering key dynamics.
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