Results 11 to 20 of about 3,119,517 (283)

Resource-based cities: Spatial structure and evolutionary identification based on nighttime light images

Frontiers in Earth Science, 2022
Dividing the development stage and grasping the best time to transition are significant for resource-based cities (RBCs). However, there is still a lack of research on how to judge the developmental stage of RBCs through objective indicators of urban ...
Shuo Lu, Shuo Lu, Wenzhong Zhang, Wenzhong Zhang, Jiaming Li, Shaohua Wang   +5 more
doaj   +1 more source

Spatial Characteristics of the Tourism Flows in China: A Study Based on the Baidu Index

ISPRS International Journal of Geo-Information, 2021
The characteristics of information flow, as represented by the Baidu index, reflect the pattern of tourism flows between different cities. This paper is based on the Baidu index and applies the seasonal concentration index and social network analysis ...
Yongwei Liu, Wang Liao
doaj   +1 more source

Investigating the Spatial Heterogeneity and Influencing Factors of Urban Multi-Dimensional Network Using Multi-Source Big Data in Hangzhou Metropolitan Circle, Eastern China

Land, 2023
Exploring the spatial heterogeneity of urban multi-dimensional networks and influencing factors are of great significance for the integrated development of metropolitan circle.
Jing Zhang, Lei Li, Congmou Zhu, Qi Hao, Xinming Chen, Zhoulu Yu, Muye Gan, Wuyan Li   +7 more
doaj   +1 more source

Minkowski Tensors of Anisotropic Spatial Structure [PDF]

, 2013
This article describes the theoretical foundation of and explicit algorithms for a novel approach to morphology and anisotropy analysis of complex spatial structure using tensor-valued Minkowski functionals, the so-called Minkowski tensors.
Aste T, Aste T, B Breidenbach, Berg M, Breidenbach B, Chavel I, Cohn D L, D Hug, Delaney G W, Durand G, Eberly D H, Evans L C, F M Schaller, G E Schröder-Turk, Hansen-Goos H, Heijmans H J A M, Hörrmann J Hug D Klatt M Mecke K, K Mecke, Kapfer S, Kapfer S C, Krsek P, König P-M, Liu J, Marlow C, Materon G, McMullen P, Mecke K, Mecke K, Mickel W, Neher R A, S C Kapfer, Santaló L A, Schaller F M Neudecker M Saadatfar M Delaney G Mecke K Schröder-Turk G E Schröter M, Schaller F M Schröder-Turk G E, Schröder-Turk G E, Schröder-Turk G E Schielein R Kapfer S C Schaller F M Delaney G W Senden T Saadatfar M Aste T Mecke K, Serra J, Stoyan D, Sung Y-J, Tunák M, W Mickel, Zhao S-C   +41 more
core   +5 more sources

Uncovering the spatial structure of mobility networks [PDF]

, 2015
The extraction of a clear and simple footprint of the structure of large, weighted and directed networks is a general problem that has many applications.
Barthelemy, Marc, Cantú, Oliva García, Frias-Martinez, Enrique, Herranz, Ricardo, Lenormand, Maxime, Louail, Thomas, Picornell, Miguel, Ramasco, José J.   +7 more
core   +7 more sources

Integrating land surface conditions and transport networks to quantify the spatial accessibility of cities in China

Journal of Maps, 2020
Although there is a need to determine the spatial accessibility of cities in China, the limitations in available data and methods hinder research in this area. The main objective of this study was to quantify the accessibility of cities in China.
Wei Chen, Weidong Liu, Zhigao Liu
doaj   +1 more source

The Spatial Structure of An Accretion Disk [PDF]

, 2007
Based on the microlensing variability of the two-image gravitational lens HE1104-1805 observed between 0.4 and 8 microns, we have measured the size and wavelength-dependent structure of the quasar accretion disk.
Christopher S. Kochanek, Courbin F., Grieger B., Nicholas Morgan, Shakura N. I., Shawn Poindexter, Wisotzki L., Wyrzykowski   +7 more
core   +2 more sources

Profiling the Spatial Structure of London: From Individual Tweets to Aggregated Functional Zones

ISPRS International Journal of Geo-Information, 2018
Knowledge discovery about people and cities from emerging location data has been an active research field but is still relatively unexplored. In recent years, a considerable amount of work has been developed around the use of social media data, most of ...
Chen Zhong, Shi Zeng, Wei Tu, Mitsuo Yoshida   +3 more
doaj   +1 more source

Environmental factors affecting fear of crime among young women on streets in Seoul

Journal of Asian Architecture and Building Engineering, 2023
In modern society, the fear of crime and actual criminal activities influences the quality of daily life. Individuals vulnerable to crime are more impacted by its fear than its potential direct damage.
Gidong Byun, Mikyoung Ha
doaj   +1 more source

Precise identification and threshold inversion of pores and fissures in CT digital coal rock based on Bi-PTI model

Meitan xuebao, 2023
In the research area of the CT digital coal petrography, the selection of gray threshold directly affects the accuracy of spatial structure remodeling. To allow the pores and fissures space remodeling data to more accurately represent the real structure ...
Chenguang HAO, Xiaoyang GUO, Cunbao DENG, Xinghua ZHANG, Bo ZHAO, Xun WANG   +5 more
doaj   +1 more source