A Study on the Public Space Use to Promote Cityscape Improvement and Downtown Revitalization

在一座迷人的城市里，有一种生动的生活。为了增加城市景观的吸引力，振兴市中心，促进人们的生活和环境的物理改善是很重要的。公共空间，例如街道和广场，是城市中人们生活的主要舞台。为了提高城市景观的质量，必须建立适当的公共空间使用控制制度。本研究的目的是：分析西方城市公共空间使用的控制系统和程序，这些城市的公共空间使用具有悠久的历史和丰富的传统；研究结果如下：(1)分析了11个西方城市，即巴黎、伦敦、米兰、哥本哈根、斯德哥尔摩、赫尔辛基、旧金山、波特兰、西雅图、纽约、库里提巴等11个西方城市的公共空间利用控制系统和程序的特点；(2)分析了日本广岛、横滨、名古屋等先锋城市和韩国首尔、清州两个城市的公共空间利用案例；(3)对千叶市的一个露天咖啡馆和一个阳伞画廊进行了持续实验，分析了公共空间利用对城市景观改善和市中心振兴的影响。

There is a vivid life in an attractive city. It is important to promote people's life as well as the physical improvement of environment in order to increase the attractiveness of cityscape and to revitalize downtown. Public space, for example, street and square is a major stage of people's life in a city. It is essential to establish a proper system to control the use of public space in order to improve the quality of cityscape.The purposes of this study are the followings :●to analyze the control systems and procedures in Western cities where the public space use has a long and rich tradition ; and●to suggest a way to develop the public space use in Japan through an experiment of outdoor cafe and parasol gallery.The results are the followings :(1)we analyzed cases of 11 Western cities, namely, Paris, London, Milan, Copenhagen, Stockholm, Helsinki, San Francisco, Portland, Seattle, New York and Curitiba, and explained the characteristics of their control systems and procedures on the public space use ;(2)we analyzed cases of pioneer cities in Japan, such as Hiroshima, Yokohama and Nagoya, as well as 2 Korean cities, namely, Seoul and Cheongju, and explained a potential approach to the public space use ; and(3)we made a continuing experiment with an outdoor cafe and a parasol gallery in Chiba, and analyzed the effect of the public space use on cityscape improvement and downtown revitalization.