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標題: Quantification of the effect of thermal indices and sky view factor on park attendance
作者: Lin, Tzu-Ping
Tsai, Kang-Ting
Hwang, Ruey-Lung
Matzarakis, Andreas
關鍵字: Thermal comfort;Sky view factor;Park usage;Park attendance
Project: Landscape and Urban Planning, Volume 107, Page(s) 137– 146.
Outdoor shading affects the thermal environment and human thermal comfort, thereby influencing the
usage of space. The objective of this study is to establish a relationship between the thermal environment
and number of people visiting an outdoor space, and to explore the utilization of outdoor space during
different seasons with various shading levels. This study includes onsite investigations of the microclimate
parameters of the thermal environment and attendance at a park in central Taiwan. The results
in cool seasons showed a positive correlation among the air temperature, mean radiant temperature
(Tmrt), and physiologically equivalent temperature (PET) of shaded areas and the number of visitors. In
hot seasons, the Tmrt and PET, which also reflect solar radiation conditions, are negatively correlated with
the number of visitors. In other words, the higher Tmrt/PET values indicate that fewer people visit the
park during the summer. Meanwhile, a significant correlation exists between park utilization and solar
radiation conditions. This study proposes the use of area-averaged sky view factor (SVFa), instead of the
traditional single-point sky view factor from fisheye photographs (SVFsp), as the indicator for measuring
the shading level at various areas in parks. Analytical results indicate that the lower the SVFa, the higher
the park utilization. This study highlights the importance of shade design in parks located in tropical or
subtropical climates. The results can serve as a reference for park design in the future.
ISSN: 0169-2046
DOI: 10.1016/j.landurbplan.2012.05.011
Appears in Collections:景觀與遊憩學士學位學程

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