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Efficient Public Underground Pedestrian Space in a Cold-Climate City: A Case Study of Sapporo, Japan

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  • Margarita Krivorotko

    (Laboratory of Urban and Regional Design, Division of Architectural and Structural Design, A251, Graduate School of Engineering, Hokkaido University, Kita 13-Jo, Nishi 8-Chome, Sapporo 060-8628, Hokkaido, Japan)

  • Tsuyoshi Setoguchi

    (Division of Architecture, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Hokkaido, Japan)

  • Norihiro Watanabe

    (Division of Architecture, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Hokkaido, Japan)

Abstract

This study examines the impact of changes in temperature and seasonal climate across a 4-year period (2019–2022) and the impact of the existing design on pedestrian activity in the ChiKaHo underground public space in Sapporo, Japan. Using statistical and regression analyses, the study identified boundary temperature ranges for each analyzed point in this space and presented an assumption of the design- and function-related factors influencing the period of use of the ChiKaHo. Each observation point exhibited a unique temperature range of change in pedestrian behavior, from −2 °C (points J1 and J3 near the main transportation station gate and in the corridor, respectively) to +6.8–13.2 °C for points J2 and J4, near open spaces. This research revealed the temperature ranges affecting pedestrian use of underground spaces and that a varying climate has different influences on a particular location. In the future, this can be used as a basis for local design improvements and seasonal adaptation policies to provide a sustainable public underground space in ChiKaHo.

Suggested Citation

  • Margarita Krivorotko & Tsuyoshi Setoguchi & Norihiro Watanabe, 2024. "Efficient Public Underground Pedestrian Space in a Cold-Climate City: A Case Study of Sapporo, Japan," Sustainability, MDPI, vol. 16(22), pages 1-25, November.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:22:p:9995-:d:1522207
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    References listed on IDEAS

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    1. Zhiming GUO & Tsuyoshi SETOGUCHI & Norihiro WATANABE & Ke HUO, 2018. "Public Open Space Design Study on the Basis of Microclimate and Spatial Behavior in Hot and Cold Weather Conditions in Downtown Area," Modern Applied Science, Canadian Center of Science and Education, vol. 12(2), pages 128-128, February.
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