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Understanding livable dense urban form for social activities in transit-oriented development through human-scale measurements
Habitat International ( IF 5.205 ) Pub Date : 2020-08-31 , DOI: 10.1016/j.habitatint.2020.102238
Wei Lang , Eddie C.M. Hui , Tingting Chen , Xun Li

Transit-oriented development (TOD) has been one of the critical concerns for developing dense urban form. Capturing the human-scaled effects of dense urban form in TOD remains poorly explored. This study aims to devise human-scaled measurements to investigate the areas around metro stations in TOD, focusing on the interaction between the physical environment and residents' activities. We employed Urban Network Analysis (UNA) in GIS at the building level with five metrics—Reach, Betweenness, Gravity, Closeness, and Straightness—to delineate the spatial configurations of TOD areas; compiled Facebook check-in and points of interest (POIs) data to capture residents' social activities; and synthesized urban form attributes and social activities with a spatial lag model to explore spatial correlations. Urban forms within an 800-m TOD radius have significant impacts on the spatial distribution of POIs and social activities. Traditional neighborhoods are characterized by high Reach, Gravity, and Betweenness values, equipped with spatially evenly distributed and rich urban functions of facilities, services, and social activities, whereas integrated development neighborhoods are associated with high Closeness values and are equipped with agglomerated facilities, services, and social activities. Furthermore, the residents' social activities vary by time and generally happen in high Betweenness and Gravity areas during leisure hours. Strengthening urban form through dense road networks, small blocks, side streets, and direct linkages will encourage social activities and enhance residents’ accessibility to facilities and services. Urban form follows neighborhood functions that determine a good street life of services, facilities, and social activities.



中文翻译:

通过人类规模的测量来了解公交导向型发展中的社会活动的宜居密集城市形态

公交导向发展(TOD)一直是发展密集城市形态的关键问题之一。在TOD中如何捕捉人口密集型城市对人类的影响仍然缺乏探索。这项研究旨在设计人类比例的测量方法,以调查TOD地铁站周围的区域,重点关注自然环境与居民活动之间的相互作用。我们在建筑级别的GIS中使用了城市网络分析(UNA),它具有五个指标-到达率,中间度,重力,紧密度和直线度-划定TOD区域的空间配置;整理Facebook的登机手续和兴趣点(POI)数据,以捕获居民的社交活动;并利用空间滞后模型综合了城市形态属性和社会活动,以探索空间相关性。TOD半径800米以内的城市形态对POI和社会活动的空间分布有重大影响。传统社区的特征是“到达率”,“重力”和“中间性”值较高,具有空间分布均匀且设施,服务和社交活动丰富的城市功能,而综合发展社区则具有较高的“亲密性”值并且配备了聚集的设施,服务和社交活动。此外,居民的社交活动随时间而变化,并且通常发生在闲暇时间的高介意重力地区。通过密集的道路网络,小街区,小街和直接联系来加强城市形态,将鼓励社会活动并增加居民获得设施和服务的便利性。城市形态遵循社区功能,决定了服务,设施和社交活动的良好街头生活。

更新日期:2020-08-31
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