Comparing the three-dimensional morphologies of urban buildings along the urban-rural gradients of 91 cities in China

《Comparing the three-dimensional morphologies of urban buildings along the urban-rural gradients of 91 cities in China》

打印

作者: Kaixin Li;Yiyu Li;Xinyi Yang;Xiaoshuang Liu;Qingxu Huang

来源: CITIES,Vol.134,Issue1,Article 104123

语言: 英文

关键字

作者单位: State Key Laboratory of Earth Surface Processes and Resource Ecology (ESPRE), Beijing Normal University, Beijing 100875, China;School of Urban Planning & Design, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China;School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China;State Key Laboratory of Earth Surface Processes and Resource Ecology (ESPRE), Beijing Normal University, Beijing 100875, China;School of Urban Planning & Design, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China;School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China;Brown University, Population and Studies Training Center, 68 Waterman St, Providence, RI 02912, United States of America;Vanderbilt University, Department of Sociology, PMB 351811, Nashville, TN 37235-1811, United States of America;Humphrey School of Public Affairs, University of Minnesota, Minneapolis, USA;Epoka University, rr. Tiranë-Rinas, Km 12, 1039 Tirana, Albania;Tirana Metropolitan University, rr. Sotir Kolea, 1000 Tirana, Albania;Department of City and Regional Planning, Cornell University, Ithaca, NY 14850, USA;Center for Spatial Information Science, The University of Tokyo, Tokyo 113-8654, Japan;School of Architecture, University of Virginia, Charlottesville, VA 22904, USA;Paul and Marcia Wythes Center on Contemporary China, Princeton University, Princeton, NJ 08544, USA;Department of Geography and Urban Studies, Temple University, Philadelphia, PA 19122, USA;Graduate School of Design, Harvard University, Cambridge, MA 02138, USA;Institut d'Estudis Regionals i Metropolitans de Barcelona (IERMB), Autonomous University of Barcelona, Plaça del Coneixement, Edifici MRA, Planta 2, Campus UAB, 08193 Bellaterra, Spain;TURBA Lab, Internet Interdisciplinary Institute (IN3), Universitat Oberta de Catalunya, Barcelona, Spain;University of Toronto, Toronto, Canada;Universidade Tecnologica Federal do Parana, Curitiba, Brazil

摘要: Urban buildings and their three-dimensional (3D) morphologies play important roles in influencing urban climates and the diffusion of air pollutants. Previous studies on the 3D morphologies of urban buildings were mainly conducted within cities due to limited data, and we still lack an understanding of their features among cities, especially along urban-rural gradients. Here, we analyzed the urban-rural gradients of the 3D morphologies of buildings for 91 cities in China by using two groups of morphologic indicators and the concentric buffer method. Then, we used a hierarchical clustering method based on dynamic time warping to classify the gradients. Our results showed that >75 % of grids have a mean height of 9 m to 16 m, and their building coverage ranged from 20 % to 60 %. The gradients of five morphology indicators could be clustered to 9 patterns, and the dominant urban-rural gradient having the average height and building coverage decreasing over distance. This study provided a methodological framework for the quantitative analysis of the urban-rural gradient of the 3D morphologies of urban buildings, and can provide information on mitigate city-scale climate issues.