: In recent years, when the therapy effects of urban green space is spotlighted, it is thought that the nighttime use should be considered for reviewing urban green because of the increase of urban activities in the middle of the night. Thus, in this study, by adopting the rooftop green space of commercial facilities, the psychological and physiological effect of nighttime use on people has been verified. As a result, with respect to the urban rooftop green space, it is clarified that one can obtain a positive impression during nighttime as well as daytime and live comfortably even during a summer time. In addition, with respect to nighttime use, it became clear that the introduction of lightings could ease people and people tended to feel better in the green space. From these results, it turned out that the nighttime use of the rooftop green space has a psychological effect.
and ISHIDA, Miyako: User activities and benefits associated with rooftop green space installations on commercial buildings in city centers.Abstract: Using surveys targeting users of rooftop green spaces on commercial buildings in city centers, we analyzed user activities and feelings about rooftop green spaces effects. Results show benefits of rooftop green spaces in everyday life and the relation between their effects and user activities. Results indicate that, as expected, 80% of users experienced stress reduction and other positive effects of the scenery, and that the versatility of strolling-centered activities has various effects. Harnessing the location and attractiveness of commercial buildings in city centers, rooftop green spaces can contribute toward improving quality of life for various city dwellers. Key words: urban residence, rooftop greening, green space activities, benefit of green space, quality of life
and ISHIDA, Miyako : Effects of urban green spaces and activities in these spaces on residents' health-related QOL.Abstract : A questionnaire survey was conducted in residential areas within the Tokyo metropolitan area in order to understand the effects that urban greening and activities in the green spaces have on the health-related quality of life (QOL) of its residents. Based on the data gathered, structural equation modeling was used to construct a path model consisting of the concepts of "regional environment" that includes green spaces, "green space activities", and "health-related QOL". This path model indicated that 20% of the health-related QOL attributes were likely determined by regional environment and green space activities, and while the direct effects of these two were roughly equivalent, the regional environment appeared to exert an indirect effect through the activities conducted. These findings suggest that, in order to improve health-related QOL, it is important to study the activities that occur in green spaces in addition to the physical greening of the environment.
NASU, Mamoru, IWASAKI, Yutaka, TAKAOKA, Yukiko, HAYASHI, Yutaka, KIM, Yuyeong and ISHIDA, Miyako : User evaluation conducted in early summer on the rooftop green space of a department store in central Tokyo Abstract : A questionnaire-based study was conducted to elucidate the effects of rooftop greening at a department store in central Tokyo on the everyday lives of the users. The results showed that 71 % of the users rated rooftop greening effects as being generally desirable. Confirmatory factor analysis of the survey results identified physiological health, emotional health, and social health-the 3 elements of plants and horticulture known to improve quality of life-as the constructs that users perceived from rooftop greening. The factor scores and survey results demonstrated that most users, including company employees, had similar levels of physiological health due to reduced stress levels and viewing a pleasant landscape. In particular, seniors aged over 60 years benefited from emotional health due to pleasure of being in close contact with greenery and homemakers benefited from social health due to interactions with others.
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