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Arboriculture & Urban Forestry Online
Volume 25, Issue 3 — May 1999

Effects of Tree Cover on Parking Lot Microclimate and Vehicle Emissions    (View PDF)

Klaus I. Scott, James R. Simpson, and E. Gregory McPherson

Abstract: A pilot study was performed to measure the difference in parking lot microclimate resulting from the presence or absence of shade tree cover. Microclimate data from contrasting shade regimes were then used as input to a motor-vehicle emissions model. Model results were used to estimate the potential for regional increases in parking lot tree cover to reduce motor-vehicle hydrocarbon and nitrogen oxide (NOx) emissions.

Keywords: Parking lot; microclimate; vehicle emissions.

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