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Does a compact city really reduce consumption-based carbon emissions? The case of South Korea 紧凑型城市真的能减少基于消费的碳排放吗?韩国的案例
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-24 DOI: 10.1177/23998083241263898
Hansol Mun, Jaeweon Yeom, Jiwoon Oh, Juchul Jung
Evidence to prove that compact cities, the core of smart growth strategies, are the vision for carbon-neutral cities has been insufficiently explored because analyses have not distinguished between production- and consumption-based carbon emissions. Empirically analyzing the relationship with compact cities by estimating the final demand and investigating carbon emissions generated from the consumption of goods is essential. This study estimated consumption-based carbon emissions in South Korea using nighttime satellite imagery. Subsequently, using spatial analysis, K-means clustering analysis, and a regression model, we comprehensively confirmed whether a compact city to reduce consumption-based carbon emissions should be pursued. The results showed that (1) based on the clustering analysis, consumption-based carbon emissions were the lowest in clusters with the most desirable development form from a compact city perspective; and (2) the OLS regression analysis showed that the higher the complex land use (diversity), population density (density), congestion frequency intensity (transit access), green area ratio (environment), and agricultural area ratio (environment), the lower the consumption-based carbon emissions. However, the results confirmed that the greater the Vehicle Kilometers Traveled (street accessibility) and the poorer the accessibility of high-speed rail, the higher the consumption-based carbon emissions. Therefore, we recommend pursuing a compact city to reduce consumption-based carbon emissions.
紧凑型城市是智能增长战略的核心,也是碳中和城市的愿景,但由于分析没有区分生产型碳排放和消费型碳排放,因此对证明紧凑型城市的证据探索不足。通过估算最终需求和调查商品消费所产生的碳排放量来实证分析与紧凑型城市的关系至关重要。本研究利用夜间卫星图像估算了韩国基于消费的碳排放量。随后,我们利用空间分析、K-均值聚类分析和回归模型,全面确认了是否应推行紧凑型城市,以减少消费型碳排放。结果表明:(1)根据聚类分析,从紧凑型城市的角度来看,发展形式最理想的集群的消费型碳排放量最低;(2)OLS 回归分析表明,土地利用复合性(多样性)、人口密度(密度)、拥堵频率强度(交通可达性)、绿地率(环境)和农业面积率(环境)越高,消费型碳排放量越低。然而,研究结果证实,车辆行驶公里数(街道可达性)越高、高铁可达性越差,消费型碳排放量就越高。因此,我们建议追求紧凑型城市,以减少消费型碳排放。
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引用次数: 0
Accessibility Score – Data analytics for the holistic assessment of urban mobility networks and the case of Braunschweig 可达性评分--用于城市交通网络整体评估的数据分析及布伦瑞克案例
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-24 DOI: 10.1177/23998083241261100
Olaf Mumm, Majd Murad, Vanessa Miriam Carlow
The accessibility and quality of urban mobility networks (UMN) depend on a multitude of static and dynamic conditions for each individual. Promoting sustainable mobility, such as walking, requires a very specific assessment of UMN’s qualities given the specific needs of pedestrians. The objective of this research is to provide a new approach for the comprehensive, mode-specific understanding of a UMN as a base for good planning and decision making. With the Accessibility Score (AccessS), we propose an integrated, indicator-based, holistic geospatial framework for the quantified assessment of qualitative UMN attributes identified in an extensive literature review.
城市交通网络(UMN)的可达性和质量取决于每个人的多种静态和动态条件。考虑到行人的特殊需求,促进步行等可持续交通方式需要对城市交通网络的质量进行非常具体的评估。这项研究的目的是提供一种新的方法,以全面、特定的方式了解 UMN,为良好的规划和决策奠定基础。通过 "可达性评分"(AccessS),我们提出了一个综合的、基于指标的、整体的地理空间框架,用于量化评估在大量文献综述中确定的UMN的定性属性。
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引用次数: 0
Overture Point of Interest data for the United Kingdom: A comprehensive, queryable open data product, validated against Geolytix supermarket data 英国的 Overture 兴趣点数据:根据 Geolytix 超市数据验证的全面、可查询的开放数据产品
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-23 DOI: 10.1177/23998083241263124
Patrick Ballantyne, Cillian Berragan
Point of Interest data that is globally available, open access and of good quality is sparse, despite being important inputs for research in a number of application areas. New data from the Overture Maps Foundation offers significant potential in this arena, but accessing the data relies on computational resources beyond the skillset and capacity of the average researcher. In this article, we provide a processed version of the Overture places (POI) dataset for the UK, in a fully queryable format, and provide accompanying code through which to explore the data, and generate other national subsets. In the article, we describe the construction and characteristics of this new open data product, before evaluating its quality in relation to ISO standards, through direct comparison with Geolytix supermarket data. This dataset can support new and important research projects in a variety of different thematic areas, and foster a network of researchers to further evaluate its advantages and limitations, through validation against other well-established datasets from domains external to retail.
尽管兴趣点数据是许多应用领域研究的重要投入,但全球可用、可公开访问且质量上乘的兴趣点数据却非常稀少。来自 Overture 地图基金会的新数据为这一领域提供了巨大的潜力,但访问这些数据所依赖的计算资源超出了普通研究人员的技能和能力范围。在本文中,我们以完全可查询的格式提供了经过处理的英国 Overture 地点(POI)数据集版本,并提供了用于探索数据和生成其他国家子集的配套代码。在文章中,我们介绍了这一新的开放数据产品的构造和特点,然后通过与 Geolytix 超市数据的直接比较,评估了其质量是否符合 ISO 标准。该数据集可支持各种不同主题领域的新的重要研究项目,并通过与零售业以外的其他成熟数据集进行验证,促进研究人员网络进一步评估其优势和局限性。
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引用次数: 0
Evaluating happiness trends across Europe: A comparative study 评估欧洲各地的幸福趋势:比较研究
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-22 DOI: 10.1177/23998083241263153
Cherifa Ben Farhat, Nicola Pontarollo
In our contribution, by using data from European Social Survey, we show that the percentage of happy people in European countries has increased over the last two decades, and that Eastern European countries are catching up. However, considerable differences between nations remain.
在我们的论文中,通过使用欧洲社会调查的数据,我们表明在过去的二十年中,欧洲国家中快乐人群的比例有所上升,而东欧国家正在迎头赶上。然而,各国之间仍然存在很大差异。
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引用次数: 0
Contiguity of underutilized lands: Dynamic simulation taking their temporary uses into account 未充分利用土地的连续性:考虑到临时用途的动态模拟
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-21 DOI: 10.1177/23998083241265735
Kanta Sayuda, Hiroyuki Usui, Yasushi Asami, Kimihiro Hino
In Japan, shrinking densely built-up cities face the dual issue of lacking open spaces and increasing underutilized lands, such as vacant lots, lots with vacant houses, and parking lots. These unused land patches can be temporarily repurposed as open spaces for evacuation and recreation. However, identifying such clump is methodologically challenging. To address this issue, lot geometry is utilized. The study thus aims to investigate the frequency and size of contiguous underutilized lands, called the contiguity of underutilized lands, at a specific time point and under their temporary uses. A densely built-up area in Kobe city, Japan, was selected for the empirical case study. A comparison with simulation results shows that the observed static contiguity of underutilized lands tends to be more substantial than a uniformly random distribution. It shows a certain feasibility of a temporary use policy conducted in the case site. Specifically, when considering the temporary uses of underutilized lands, the maximum area of contiguous temporary open spaces is 583 m2, meeting the area requirement for a redevelopment project in Kobe. Utilizing parking lots can further extend the maximum area up to 945 m2. Nevertheless, policy makers need to promote the joint development of privately owned lots facing a wide roadway, as these are unlikely to become temporary open spaces. This study contributes not only to providing new methods for land use change simulation using lot geometry to analyse the contiguity of underutilized lands under their temporariness but also to demonstrating the feasibility and limitations of a temporary use policy.
在日本,不断缩小的密集型城市面临着开放空间缺乏和未充分利用土地增加的双重问题,如空地、有空房的地块和停车场。这些闲置的地块可以暂时重新用作疏散和休闲的开放空间。然而,识别这些地块在方法上具有挑战性。为了解决这个问题,我们利用了地块几何形状。因此,本研究旨在调查在特定时间点和临时用途下,未充分利用土地毗连的频率和规模,即未充分利用土地的毗连性。实证案例研究选取了日本神户市的一个建筑密集区。与模拟结果相比,观察到的未充分利用土地的静态毗连性往往比均匀随机分布的毗连性更大。这说明在该案例地实施临时使用政策具有一定的可行性。具体而言,在考虑未充分利用土地的临时用途时,毗连临时开放空间的最大面积为 583 平方米,符合神户再开发项目的面积要求。利用停车场可将最大面积进一步扩大到 945 平方米。然而,决策者需要促进面向宽阔道路的私有地块的联合开发,因为这些地块不太可能成为临时开放空间。本研究不仅有助于提供利用地块几何形状模拟土地利用变化的新方法,以分析未充分利用土地在临时性条件下的毗连性,还有助于证明临时使用政策的可行性和局限性。
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引用次数: 0
About positive and negative synergies of social projects: Treating correlation in participatory value evaluation 关于社会项目的积极和消极协同作用:在参与式价值评估中处理相关性
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-21 DOI: 10.1177/23998083241264321
Francisco J Bahamonde-Birke, Niek Mouter
Participatory value evaluation (PVE) is a novel method aiming at the evaluation of projects from a societal perspective. It aims at establishing which investment projects or investment portfolios (with a portfolio containing multiple investment projects) are likely to be favored by the population, given a limited budget. The approach emulates the decision-making problem faced by policy-makers. The ultimate end of PVE is to evaluate and establish how individuals value attributes of public projects in order to construct social trade-offs between different attributes and investments projects. However, it is important to consider that when investment portfolios consist of more than one investment project, significant synergies (positive and negative) may exist among the projects. This paper proposes a new evaluation framework that allows addressing synergies among projects in the context of PVE, while also offering a highly flexible structure. The approach is tested making use of one synthetic and two real datasets. Results show that neglecting synergies among the utilities of the projects included in the chosen portfolio majorly reduces the model fit and biases the estimators.
参与式价值评估(PVE)是一种新方法,旨在从社会角度对项目进行评估。其目的是在预算有限的情况下,确定哪些投资项目或投资组合(一个投资组合包含多个投资项目)可能受到民众的青睐。这种方法模拟了决策者面临的决策问题。PVE 的最终目的是评估和确定个人如何评价公共项目的属性,以便在不同属性和投资项目之间构建社会权衡。然而,重要的是要考虑到,当投资组合由一个以上的投资项目组成时,项目之间可能存在显著的协同效应(正效应和负效应)。本文提出了一个新的评估框架,可以在 PVE 的背景下处理项目间的协同作用,同时还提供了一个高度灵活的结构。本文利用一个合成数据集和两个真实数据集对该方法进行了测试。结果表明,忽略所选投资组合中包含的项目效用之间的协同作用会大大降低模型的拟合度,并使估计值出现偏差。
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引用次数: 0
A nationwide dataset of de-identified activity spaces derived from geotagged social media data 全国范围内的去标识化活动空间数据集,数据来源于地理标记的社交媒体数据
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-07-18 DOI: 10.1177/23998083241264051
Ate Poorthuis, Qingqing Chen, Matthew Zook
In this article, we present a historical dataset of activity spaces, originally based on publicly posted and geotagged social media sent within the United States from 2012 to 2019. The dataset, which contains approximately 2 million users and 1.2 billion data points, is de-identified and spatially aggregated to enable ethical and broad sharing across the research community. By publishing the dataset, we hope to help researchers to quickly access and filter data to study people’s activity spaces across a range of places. In this article, we first describe the construction and characteristics of this dataset and then highlight certain limitations of the data through an illustrative analysis of potential bias—an important consideration when using data not collected through representative sampling. Our goal is to empower researchers to create novel, insightful research projects of their own design based on this dataset.
在本文中,我们介绍了一个活动空间历史数据集,该数据集最初基于 2012 年至 2019 年期间在美国境内公开发布并带有地理标记的社交媒体。该数据集包含约 200 万用户和 12 亿个数据点,经过去标识化和空间聚合处理,可在研究界进行合乎道德的广泛共享。我们希望通过发布该数据集,帮助研究人员快速访问和筛选数据,以研究人们在各种场所的活动空间。在本文中,我们首先介绍了该数据集的构建和特点,然后通过对潜在偏差的说明性分析强调了数据的某些局限性--这是在使用非代表性抽样收集的数据时需要考虑的重要因素。我们的目标是让研究人员能够在此数据集的基础上创建自己设计的新颖、有洞察力的研究项目。
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引用次数: 0
Visualising the academic mobility of Nobel laureates 诺贝尔奖获得者学术流动的可视化
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-06-22 DOI: 10.1177/23998083241264075
Quan Gao, Nan Wei, Qian Zhang, Siyu Zhou, Jing Xie
The academic mobility of Nobel laureates (NLs) epitomises not only the inter-urban knowledge flows and networks but also the spatial evolution of the world’s scientific hubs. Yet the understanding of the mobility and patterns of Nobel laureates’ scholarly migration remains limited. To address this gap, we elucidate the trajectories of academic mobility for 734 Nobel laureates and how their migratory patterns change in different geopolitical eras by establishing a life-course database encompassing NLs in science and economics from 1901 to 2023. First, the migratory patterns of NLs have evolved from multi-cored diversification in Phase A (–1945) to polarisation in Phase B (1946–1991) and to re-diversification in Phase C (1992–2023). Second, the academic mobility of NLs, and especially their international mobility, has significantly declined over the past century, which contrasts with other observations that scientists tend to be more mobile as globalisation advances.
诺贝尔奖获得者(NLs)的学术流动不仅是城市间知识流动和网络的缩影,也是世界科学中心空间演变的缩影。然而,人们对诺贝尔奖获得者的流动性和学术迁移模式的了解仍然有限。为了弥补这一空白,我们通过建立一个涵盖1901年至2023年科学和经济领域诺贝尔奖获得者的生命历程数据库,阐明了734位诺贝尔奖获得者的学术流动轨迹,以及他们的迁移模式在不同地缘政治时代的变化。首先,诺贝尔奖得主的迁移模式从 A 阶段(-1945 年)的多角化到 B 阶段(1946-1991 年)的两极化,再到 C 阶段(1992-2023 年)的再多元化。其次,在过去的一个世纪里,北大西洋公约组织成员的学术流动性,尤其是他们的国际流动性显著下降,这与随着全球化的发展科学家的流动性趋于增强的其他观察结果形成鲜明对比。
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引用次数: 0
Warehouse CITY – An open data product for evaluating warehouse land-use in Southern California 仓库城市 - 用于评估南加州仓库土地使用情况的开放式数据产品
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-06-21 DOI: 10.1177/23998083241262553
Susan A Phillips, Michael C McCarthy
Warehouse CITY is an open data product used to visualize and quantify the cumulative impact of warehouses within Southern California. Community groups, researchers, planners, and local agencies apply this open data product in project approval processes, research, lawsuits, and education. Warehouse CITY estimates the cumulative impacts of warehouse counts, acreage, building footprint, heavy-duty truck trips, diesel particulate matter emissions, oxides of nitrogen emissions, carbon dioxide emissions, and jobs. The Warehouse CITY open data product and dashboard is available as a website and at a GitHub repository.
Warehouse CITY 是一个开放数据产品,用于可视化和量化南加州仓库的累积影响。社区团体、研究人员、规划人员和地方机构可在项目审批流程、研究、诉讼和教育中应用该开放数据产品。Warehouse CITY 估算了仓库数量、占地面积、建筑占地面积、重型卡车出行次数、柴油颗粒物排放量、氮氧化物排放量、二氧化碳排放量和工作岗位的累积影响。Warehouse CITY 开放数据产品和仪表板可通过网站和 GitHub 存储库获取。
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引用次数: 0
Who can access what? Uncovering urban inequality in access to service for senior citizens 谁能获得什么?揭示城市老年人在获得服务方面的不平等现象
IF 3.5 3区 经济学 Q2 ENVIRONMENTAL STUDIES Pub Date : 2024-06-21 DOI: 10.1177/23998083241260757
Patrizia Sulis, Paola Proietti
The scarcity or lack of access to essential services at the local and neighbourhood levels in cities can result in significant spatial inequalities, as some areas and their residents can deal with disadvantages and a lower quality of daily life. In particular, the spatial distribution and the variety of amenities at the local scale represent an important feature of the liveliness of places. The local availability and access to essential services are particularly relevant for some demographic groups experiencing limited mobility or mobility poverty, such as older adults living in cities, and spatial disparities have been further exacerbated by the COVID-19 pandemic, which highlighted severe difficulties in accessing essential services. This work explores the issue focussing on the following question: who can access what depending on where they live in cities? Using Machine Learning and Spatial Autocorrelation applied to different data sources for spatial information on the location of urban amenities and Internet access, this work aims to identify the most underserved places in terms of the variety of available amenities and access to quality broadband in three European capital cities. A comparison to urban areas where high percentages of older adults reside makes it possible to identify where residents can locally access several essential services (green spaces, health care, and local shopping) and where this need cannot be satisfied because of a lack in the amenity variety available at walking distance to their home. The combination of underserved areas with a high concentration of senior residents identifies left-behind areas in these cities, where interventions on inequalities are most needed. Results can inform policies aiming at favouring fair access to services at the local scale, possibly including slow and active mobility modes, and in general to develop comprehensive and sustainable planning strategies for cities, leaving no place and no person behind.
在城市的地方和邻里层面,基本服务的稀缺或缺乏可能导致严重的空间不平等,因为一些地区及其居民可能会面临不利条件和较低的日常生活质量。特别是,地方规模的空间分布和各种便利设施是地方活力的一个重要特征。对于一些行动不便或行动贫困的人口群体(如生活在城市中的老年人)来说,当地基本服务的可用性和可及性尤为重要,而 COVID-19 大流行病则进一步加剧了空间差异,凸显了获取基本服务的严重困难。这项工作探讨了这一问题,重点是以下问题:哪些人可以根据他们在城市中的居住地获得哪些服务?这项研究利用机器学习和空间自相关技术,将城市设施和互联网接入位置的空间信息应用于不同的数据源,旨在确定欧洲三个首府城市中在可用设施种类和优质宽带接入方面服务最不足的地方。通过与老年人居住比例较高的城市地区进行比较,可以确定哪些地方的居民可以在当地获得一些基本服务(绿地、医疗保健和当地购物),哪些地方的居民由于在步行距离内缺乏各种便利设施而无法满足这一需求。服务不足的地区与老年居民高度集中的地区相结合,确定了这些城市中最需要干预不平等问题的落后地区。研究结果可以为制定政策提供参考,这些政策旨在促进在地方范围内公平获得服务,可能包括慢速和积极的交通模式,总之,为城市制定全面和可持续的规划战略,不遗漏任何地方,不遗漏任何人。
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引用次数: 0
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Environment and Planning B: Urban Analytics and City Science
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