Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Monitoring bidecadal development of urban agglomeration with remote sensing images in the Jing-Jin-Tang area, China
As an important urban agglomeration of China, the Jing-Jin-Tang area has experienced intense urbanization since the 1980s. This study explores the spatiotemporal dynamics of urban areas in this region using multitemporal Landsat images. An enhanced built-up (BU) index method was applied to extract BU areas with an overall accuracy ranging from 75% to 91.35%. Seven spatial metrics were used to discern urban growth patterns at city and county levels. The results indicate that all cities witnessed a rapid growth of BU areas with different spatial patterns. Beijing has been aggregating since the 1990s and a large homogeneous urban patch has formed. The construction and development of metropolitan Beijing and Tianjin started in the early 1980s and became almost fully developed by the end of 1990. Tangshan, like many medium-sized cities in China, is still enduring a development process with an accelerating pace. The metropolitan areas of Beijing and Tianjin have been greatly developed with BU densities exceeding 90% since 2000, compared with Tangshan’s 55% in 2010. These results provide spatial information on the evolution of urban extent in the period of 1990s to 2010s in this region. ; JRC.E.1-Disaster Risk Management
Monitoring bidecadal development of urban agglomeration with remote sensing images in the Jing-Jin-Tang area, China
As an important urban agglomeration of China, the Jing-Jin-Tang area has experienced intense urbanization since the 1980s. This study explores the spatiotemporal dynamics of urban areas in this region using multitemporal Landsat images. An enhanced built-up (BU) index method was applied to extract BU areas with an overall accuracy ranging from 75% to 91.35%. Seven spatial metrics were used to discern urban growth patterns at city and county levels. The results indicate that all cities witnessed a rapid growth of BU areas with different spatial patterns. Beijing has been aggregating since the 1990s and a large homogeneous urban patch has formed. The construction and development of metropolitan Beijing and Tianjin started in the early 1980s and became almost fully developed by the end of 1990. Tangshan, like many medium-sized cities in China, is still enduring a development process with an accelerating pace. The metropolitan areas of Beijing and Tianjin have been greatly developed with BU densities exceeding 90% since 2000, compared with Tangshan’s 55% in 2010. These results provide spatial information on the evolution of urban extent in the period of 1990s to 2010s in this region. ; JRC.E.1-Disaster Risk Management
Monitoring bidecadal development of urban agglomeration with remote sensing images in the Jing-Jin-Tang area, China
LU LINLIN (Autor:in) / GUO HUADONG (Autor:in) / WANG CUIZHEN (Autor:in) / PESARESI MARTINO (Autor:in) / EHRLICH DANIELE (Autor:in)
28.02.2014
Sonstige
Elektronische Ressource
Englisch
DDC:
710
| DOAJ | 2017
| DOAJ | 2021
He Jing Tang, Pan Gong Kai, Huang Jian Cheng, Yao Kai Yang, Lu Chuan etc., Chinese Pavilion
Online Contents | 2010