Momentum Transport in Heterogeneous Forest Canopies

• DOI: 10.1007/s10546-024-00890-w
• Publication Date: 2024-11-30T16:31:13Z
• Authors: Hawwa Kadum; Ryan Scott; Sarah E. Smith; Marc Calaf; Raúl Bayoán Cal
• Keywords: Momentum (technical analysis)

Abstract This study investigates the impact of spatial heterogeneity on momentum transport within forest canopies through wind tunnel experiments using 1:200 scale models. The models, crafted from 10 Pores Per Inch reticulated foam, emulate a leaf area index 5.3 and include alternating patches gaps various sizes. Statistical results mean velocity profiles standard deviations show that develop mixing layer. By employing lacunarity analysis to quantify heterogeneity, we establish effectively represents variations in canopy height. success as metric is particularly noteworthy, providing robust practical measure can be easily applied future research. Control volume reveals horizontal vertical advection terms rise increases, emphasizing its critical role heterogeneous possibility describing this scale. also give pressure local gradient at each pattern. highlights higher influence gap size over flux. These insights contribute improved parameterization numerical weather prediction aiding better representation sub-grid processes enhancing our understanding canopy-atmosphere interactions.