通过绿地可及性和可见绿化曝光揭示美国两座城市的环境正义

IF 6 2区 环境科学与生态学 Q1 ENVIRONMENTAL STUDIES
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引用次数: 0

摘要

绿地或可视绿化的不均衡是一个环境正义(EJ)问题。在本文中,我们从社会公平的角度出发,开发了地理空间模型,用于测量步行前往公园等城市绿地的便利性以及前往绿地途中的街道绿化暴露。我们利用地球科学、地理空间和人口数据集开发了两个模型--绿地可达性和可见绿色暴露,并将其应用于美国卡姆登和泽西城这两个存在环境不公的社区。建模结果表明,两个城市的绿地可达性都令人担忧,而泽西城的差距更为明显。在卡姆登,我们观察到绿地可达性与两个环境正义变量之间存在明显的正相关关系:黑人隔离和西班牙裔隔离。两座城市的大多数街道绿化程度都很低,但与卡姆登相比,泽西市面临着更大的不平等。我们还观察到,在泽西市,街道绿化覆盖率与低收入人口之间存在明显的负相关关系。最后,我们解释了我们的发现对绿地规划和政策制定的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Unveiling environmental justice in two US cities through greenspace accessibility and visible greenness exposure

Uneven access to greenspaces or visible greenness is an environmental justice (EJ) issue. In this paper, we use a social equity lens to develop geospatial models that measure convenient walking access to urban greenspaces such as parks and street-level green exposure en route to greenspaces. We utilized earth science, geospatial, and demographic datasets to develop two models—Greenspace Accessibility and Visible Greenness Exposure—and applied them in Camden and Jersey City, USA, two communities experiencing environmental injustices. Modeling results show that greenspace accessibility is a concern in both cities, with Jersey City experiencing more prominent disparities. We observed significant positive relationships in Camden between greenspace accessibility and two EJ variables: Black segregation and Hispanic segregation. Most streets in both cities have poor greenness exposure, although Jersey City faces higher inequality compared to Camden. We also observed significant negative relationships in Jersey City between street-level greenness exposure and low-income populations. We conclude the paper by explaining the implications of our findings for greenspace planning and policymaking.

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来源期刊
CiteScore
11.70
自引率
12.50%
发文量
289
审稿时长
70 days
期刊介绍: Urban Forestry and Urban Greening is a refereed, international journal aimed at presenting high-quality research with urban and peri-urban woody and non-woody vegetation and its use, planning, design, establishment and management as its main topics. Urban Forestry and Urban Greening concentrates on all tree-dominated (as joint together in the urban forest) as well as other green resources in and around urban areas, such as woodlands, public and private urban parks and gardens, urban nature areas, street tree and square plantations, botanical gardens and cemeteries. The journal welcomes basic and applied research papers, as well as review papers and short communications. Contributions should focus on one or more of the following aspects: -Form and functions of urban forests and other vegetation, including aspects of urban ecology. -Policy-making, planning and design related to urban forests and other vegetation. -Selection and establishment of tree resources and other vegetation for urban environments. -Management of urban forests and other vegetation. Original contributions of a high academic standard are invited from a wide range of disciplines and fields, including forestry, biology, horticulture, arboriculture, landscape ecology, pathology, soil science, hydrology, landscape architecture, landscape planning, urban planning and design, economics, sociology, environmental psychology, public health, and education.
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