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Optimal Control Of Katabatic Flows Within Canopies, Hongbin Chen, Chuixiang Yi
Optimal Control Of Katabatic Flows Within Canopies, Hongbin Chen, Chuixiang Yi
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What slope angle favours the development of katabatic flow is still an open question. Some studies have clarified that katabatic winds are stronger on steep slopes, while others have demonstrated that katabatic winds are stronger on gentle slopes. Here, we explore the control mechanisms of katabatic flow using a simplified theoretical model in an attempt to clarify the causes of the paradoxical findings. Our results indicate that optimal conditions for katabatic flows within canopies are synergistically controlled by terrain angle, canopy structure and thermal condition through a simple equation:
LcVT-2 sin3 α = b,
where …