Abstract
Main climatic thermal problems in urban park in hot humid tropic area are how to minimize high solar radiation and to optimize the wind. Trees have potentials in ameliorating urban park microclimate. Trees configuration is one of determining factors to get benefit of vegetation potential in hot humid urban park. Microclimate simulation of 3 (three) different tree configurations in selected urban park model is carried out with three-dimensional numerical model, ENVI-Met V.3.1 which simulates the microclimatic changes within urban environments in a high spatial and temporal resolution. The simulation results show that an east – west orientation tree line configuration model has a higher temperature reduction compared with the base case model. Keywords: Urban park, hot humid tropic, tree configuration model
Highlights
Urban open spaces in hot humid tropic city need to protect from high intensity of solar radiation that bring higher environmental air temperature
A field measurement of the air temperature distribution around Ficus benjamina by Tauhid, et al, (2007) in hot humid tropical city of Semarang found the similar result with Hiraoka
All urban park models have a similar pattern of the potential temperature simulation result
Summary
Urban open spaces in hot humid tropic city need to protect from high intensity of solar radiation that bring higher environmental air temperature. A field measurement of the air temperature distribution around Ficus benjamina by Tauhid, et al, (2007) in hot humid tropical city of Semarang found the similar result with Hiraoka. Both of them fou nd that the further distance from a tree canopy centre the cooling effect of a tree was less than the closer one. Potential benefit of the tree in modifying microclimate should be optimized in order to create more comfortable condition in hot humid tropic urban park. Beside of its physical characteristics, the configuration of the trees is one of the determining factors to get benefit of vegetation potential in hot humid urban open space (Wardoyo, et al, 2008). This paper will present the result of limited research simulation on the influence of trees configuration on urban park microclimate
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