Evolution of urban vitality drivers from 2014 to 2022: a case study of Kunming, China

International Journal of Environmental Science and Technology, Год журнала: 2025, Номер unknown

Опубликована: Фев. 23, 2025

Язык: Английский

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Spatial performance evaluation and optimization of integrated aboveground and underground spaces in urban commercial complexes

Journal of Asian Architecture and Building Engineering, Год журнала: 2024, Номер unknown, С. 1 - 27

Опубликована: Фев. 7, 2024

As urban areas experience economic growth and expansion, the development scale intensity of commercial complexes have notably increased. Integrating aboveground underground spaces enhances vitality latter, thereby improving land efficiency. However, these encounter challenges, including disconnections in design, leading to poor continuity suboptimal outcomes. Existing research predominantly discusses individual factors influencing space integration, lacking a comprehensive assessment framework for integrated complex development. This study introduces spatial performance evaluation encompassing four key dimensions: functional spaces, transportation systems, public landscape environments. Representative cases three types – courtyard-style with inward aggregation, outward radiation, inner street-style are selected evaluation. Findings indicate that system exert most significant impact, while environment relatively smaller influence. Considering distinctive characteristics development, we propose prioritizing emphasizing advocating balanced approach Specific optimization directions case studies outlined. The study’s conclusions guide scientific complexes, ultimately enhancing overall

Язык: Английский

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Study on Development Pattern and Comprehensive Evaluation of Integration of Urban Underground Space and Rail Transit in China

Sustainability, Год журнала: 2025, Номер 17(6), С. 2497 - 2497

Опубликована: Март 12, 2025

China’s urban development has entered the stage of renewal, transitioning from large-scale incremental construction to stock enhancement and renovation. In response challenges such as traffic congestion land-use constraints, planning increasingly prioritized underground space (UUS) rail transit (URT). However, disparities in levels across cities, well fragmented uncoordinated integration UUS URT, remain significant challenges. While existing studies have predominantly examined URT independently, interaction between two been largely overlooked. order supplement this gap, aim study is construct an integrated measurement framework quantitatively assess level 38 Chinese cities. We seek explore interrelationship two, identify differences process discuss potential implications for policy making. Specifically, assembles index three dimensions (UUS, development), evaluates cities by using entropy weighting VIKOR methods, summarizes regionalization characteristics K-means clustering. The results show that (1) there a positive correlation degree affected development; (2) dominant system URT; (3) sample can be classified according into types developing (47.37%), mature (21.05%), underdeveloped (31.58%), clustering effect on overall spatial distribution.

Язык: Английский

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Examining the impact of urban environment on healthy vitality of outdoor running based on street view imagery and urban big data

Journal of Geographical Sciences, Год журнала: 2025, Номер 35(3), С. 641 - 663

Опубликована: Март 1, 2025

Язык: Английский

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Spatiotemporal Analysis of Urban Vitality and Its Drivers from a Human Mobility Perspective

ISPRS International Journal of Geo-Information, Год журнала: 2025, Номер 14(4), С. 167 - 167

Опубликована: Апрель 11, 2025

Urban vitality is a critical metric for assessing the development and appeal of urban areas, playing pivotal role in planning management. Traditionally, surveys census data have been used to measure vitality; however, these methods are often time-consuming, resource-intensive, limited coverage. This study addresses limitations by employing mobile phone signaling develop model quantifying exploring its spatiotemporal distribution patterns. By integrating socioeconomic, street view, points-of-interest (POI) data, this utilizes linear regression geographically weighted (GWR) models analyze influence various factors on vitality. The SHapley Additive exPlanations (SHAP) method then applied interpret predictions identify key determinants Using Shenzhen as case study, results reveal pronounced spatial disparities Among all variables, bus stop density, cultural services, employment density consistently exhibit significant effects proposed quantification framework enables high-resolution wide-coverage monitoring vitality, providing scientific support decision-making guidance understanding dynamic characteristics spaces optimizing functional layouts.

Язык: Английский

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Identifying Nighttime Vitality Through Multisource Geodata: An Explainable AI Perspective

Transactions in GIS, Год журнала: 2025, Номер 29(3)

Опубликована: Май 1, 2025

ABSTRACT Nighttime vitality serves as a crucial criterion for assessing the attractiveness and competitiveness of urban areas. The varying multifaceted characteristics nighttime across neighborhoods reflect residents' preferences, social demands, localized economies. objective this study is to comprehensively assess by integrating multiple geospatial data sources, including mobile phone data, remote sensing small catering businesses data. Furthermore, within an explainable artificial intelligence (XAI) framework, aims quantitatively analyze nonlinear relationships between influencing factors vitality. To enhance interpretability, we employ SHapley Additive exPlanations (SHAP) visual model interpretation. This can further theory vitality, deepen understanding relationships, facilitate implementation AI in studies. findings effectively provide guidance planning decision‐making, improve quality life, promote sustainable development.

Язык: Английский

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Research on the Spatiotemporal Pattern and Influencing Mechanism of Coastal Urban Vitality: A Case Study of Bayuquan

Buildings, Год журнала: 2024, Номер 14(7), С. 2173 - 2173

Опубликована: Июль 15, 2024

Enhancing the spatial vitality of coastal cities is beneficial for sustainable development urban construction. However, how to fully utilize resources and boost an important issue. This study takes city Bayuquan in China’s cold region as example. Firstly, we conducted field investigations data mining Bayuquan, utilizing Baidu heat map measure spatial–temporal different areas Bayuquan. Secondly, used Moran’s I test examine autocorrelation vitality. Lastly, with help OLS GWR models, explored factors influencing built environment. The research findings indicate following: (1) There are differences heavily influenced by tourist season. (2) results show that impact environment on exhibits heterogeneity during seasons. found no harbor district. (3) district tourism-driven re quire differentiated construction guidance. Facility functions block morphology mainly influence district, while primarily affected its aesthetic characteristics. can propose regional guidance specific feasible design strategies seasonally It holds significant implications improving living quality vital decision-makers, planners, stakeholders.

Язык: Английский

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Catalyzing Urban Dynamics: Fostering Information Exchange, Encouraging Innovation, and Facilitating Knowledge Creation in the Macau Peninsula

Journal of the Knowledge Economy, Год журнала: 2024, Номер unknown

Опубликована: Май 14, 2024

Язык: Английский

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How Urban Block Form Affects the Vitality of the Catering Industry: Evidence from Jinan, China

Sustainability, Год журнала: 2024, Номер 16(14), С. 5913 - 5913

Опубликована: Июль 11, 2024

Existing research underscores the significance of block form in fostering urban vitality. However, there is a dearth evidence on its influence catering industry’s Additionally, current studies investigating correlation between and vitality have frequently neglected disparities among various types blocks with dominant functions. We employ multi-scale geographically weighted regression geographic detector to elucidate effects heterogeneity functions Our findings suggest that suitable can mitigate reliance factors such as regional population public transportation infrastructure, certain degree. High-rise buildings irregular plans positively vitality, while area, building density, functional density display considerable spatial heterogeneity. Commercial are most influenced by form, whereas service least affected. The methodology this study be replicated globally guide planners judiciously allocating commercial facilities, based varying requirements different blocks, thereby vibrant city.

Язык: Английский

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What affected the vitality of high-speed rail station areas? A case study of Chengdu-Chongqing urban agglomeration, China

Frontiers in Environmental Science, Год журнала: 2024, Номер 12

Опубликована: Июль 11, 2024

With the rapid expansion of high-speed rail (HSR), HSR station areas are often key development cities and gateways to display cities’ image. However, problem lack vitality in these has emerged. Limited studies have quantified examined factors influencing it. The purpose this study is assess impact various on areas. To accomplish objective, we propose a method for measuring using Baidu’s real-time user density data. We demonstrate through case 91 Chengdu-Chongqing urban agglomeration China. construct structural equation models Bayesian approach test effects intercity accessibility, intracity surrounding area density, local socio-economic results show that (1) Intracity socioeconomic significant positive Intercity accessibility negative effect (2) Surrounding positively influences stability weekday weekend Local negatively impacts (3) High-vitality mostly located Chengdu Chongqing, both megacities. Station with low primarily small cities. This study’s findings can be used guide planning decision-making aimed at enhancing their vitality.

Язык: Английский

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