Results 31 to 40 of about 97,614 (285)

Study on the Mechanism of Haze Pollution Affected by Urban Population Agglomeration

open access: yesAtmosphere, 2022
Population agglomeration and haze pollution are two major problems that urban development will inevitably face in the future. Population agglomeration has a spatial impact on smog pollution through scale and intensive effects.
Xuesong Li   +4 more
doaj   +1 more source

Spatio-temporal dynamic evolution characteristics and driving mechanism analysis of urban pseudo human settlements

open access: yesFrontiers in Earth Science
Pseudo human settlements in the information age is an important part of human settlements geography, which has a comprehensive and profound impact on urban production, life and ecology in China and even the world, but the existing research on pseudo ...
Hang Li   +18 more
doaj   +1 more source

Study on the Equilibrium Discriminant Model of Urban Agglomeration Transport Supply and Demand Structure

open access: yesJournal of Advanced Transportation, 2018
In order to study the adaptability of urban agglomeration transport supply and demand structure, and to provide the basis for decision-makers when optimizing the structure of transport supply and demand in urban agglomeration, this paper proposed and ...
Z. Y. Liu, C. B. Li, M. Y. Jian
doaj   +1 more source

Evolution of Zipf's Law for Indian Urban Agglomerations vis-à-vis Chinese Urban Agglomerations [PDF]

open access: yes, 2012
We investigate into the rank-size distributions of urban agglomerations for India between 1981 to 2011. The incidence of a power law tail is prominent. A relevant question persists regarding the evolution of the power tail coefficient. We have developed a methodology to meaningfully track the power law coefficient over time, when a country experience ...
arxiv   +1 more source

How Do Population Flows Promote Urban–Rural Integration? Addressing Migrants’ Farmland Arrangement and Social Integration in China’s Urban Agglomeration Regions

open access: yesLand, 2022
China’s urban–rural relationships have been changed dramatically by the intensifying population flows, especially in urban agglomeration regions. This study contributes to the interpretation of urban–rural integration mechanisms in urban agglomeration by
Yanan Li, Chan Xiong, Yan Song
doaj   +1 more source

Urban Socio-Technical Systems: An Autonomy and Mobility Perspective [PDF]

open access: yesarXiv, 2022
The future of the human race is urban. The world's population is projected to grow an additional 2.5 billion by 2050, with all expected to live in urban areas. This will increase the percentage of urban population from 55% today to 70% within three decades and further strengthen the role of cities as the hub for information, transportation, and overall
arxiv  

Spatial spillover effects of capital factor agglomeration on the urban industrial structure upgrading in China: Based on panel data of 284 prefecture-level cities.

open access: yesPLoS ONE, 2021
The spatial agglomeration of capital factors has become an important force affecting regional economic development and industrial structure. Investigating the spatial relationship of capital factor agglomeration is a key way to accelerate the upgrading ...
Maosheng Ran, Cheng Zhao
doaj   +1 more source

Advanced Air Electrodes for Reversible Protonic Ceramic Electrochemical Cells: A Comprehensive Review

open access: yesAdvanced Materials, EarlyView.
Reversible protonic ceramic electrochemical cells (R‐PCECs) face challenges from sluggish and unstable oxygen reduction and evolution reactions in the air electrode. This review discusses recent progress in triple‐conducting air electrodes, emphasizing mechanisms, performance factors, and design strategies, offering guidance for creating efficient and ...
Xi Chen   +8 more
wiley   +1 more source

THE PROBLEM OF PROVIDING FOOD RESOURCES IN URBAN AGGLOMERATIONS (THE CASE STUDY OF THE KUZBASS AGGLOMERATION)

open access: yesFoods and Raw Materials, 2016
Urban agglomerations are the result of a process of spatial competition for resources. To analyze the functioning of specific urban centers, it is necessary to make a distinction between the process of agglomeration and the state of agglomeration in the ...
Zobova L.L., Shabashev V.A.
doaj   +1 more source

Urban transfer entropy across scales [PDF]

open access: yes, 2015
The morphology of urban agglomeration is studied here in the context of information exchange between different spatio-temporal scales. Cities are multidimensional non-linear phenomena, so understanding the relationships and connectivity between scales is important in determining how the interplay of local/regional urban policies may affect the ...
arxiv   +1 more source

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