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Jeongwoo Lee
Department of Urban Design and Studies, Chung-Ang University, Seoul, 06974, South Korea

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Journal article
Published: 24 May 2021 in Sustainable Cities and Society
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This study investigates whether different urban greenway designs can influence personal exposure to air pollutants in highly urbanized environments in Seoul, Korea. Mobile and in-situ measurements of ultrafine particles (UFP) and black carbon (BC) concentrations were conducted on three different types of urban greenway designs: 1) an at-grade greenway next to traffic; 2) an elevated greenway above (10−14 m) traffic; and 3) a sunken greenway below (2.5−3 m) traffic. Results from the mobile measurements showed that the UFP and BC concentrations were up to 30 % lower on all types of greenway than on sidewalks. This result was further confirmed by the in-situ measurement, which showed 47 % lower UFP concentrations in the sunken greenway and 80 % lower BC concentrations in the elevated greenway compared to the sidewalk. Pollutant concentrations also varied according to microenvironmental factors, such as land uses, height of surrounding buildings, nearby traffic, and vegetation. Our findings highlight the importance of considering air pollution exposure when designing urban greenways in highly urbanized environments. In particular, greenway designs that promote vertical separation from traffic sources might be crucial in mitigating air pollution exposure. The results of this study are based on data gathered over a six-day field measurement, and further studies over a longer time period are warranted to confirm our findings.

ACS Style

Haesung Ahn; Jeongwoo Lee; Andy Hong. Does urban greenway design affect air pollution exposure? A case study of Seoul, South Korea. Sustainable Cities and Society 2021, 72, 103038 .

AMA Style

Haesung Ahn, Jeongwoo Lee, Andy Hong. Does urban greenway design affect air pollution exposure? A case study of Seoul, South Korea. Sustainable Cities and Society. 2021; 72 ():103038.

Chicago/Turabian Style

Haesung Ahn; Jeongwoo Lee; Andy Hong. 2021. "Does urban greenway design affect air pollution exposure? A case study of Seoul, South Korea." Sustainable Cities and Society 72, no. : 103038.

Journal article
Published: 02 January 2020 in Sustainability
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Place branding is an emerging concept in urban regeneration strategies. To date, case studies on the link between place branding and urban regeneration have utilized ambiguous terminology and definitions, and often lack empirical and theoretical grounding. Available literature seldom considers the perspectives of government officials and experts, which are critical in terms of policy support and direction. In order to ensure the sustainability of place branding initiatives as core parts of urban regeneration, it will be necessary to engage local development stakeholders. Hence, this study frames place branding and urban regeneration within a dialectic process involving these key actors in the Western Visayas region of the Philippines. Our results indicate sporadic, but pragmatic, perceptions of place branding that are highly focused on slogans and logos. Moreover, the commonality between place promotion and cultural and historical preservation suggests a connection between place branding and urban regeneration. Specifically, flagship construction is the most favored place branding strategy, due to its high-weighted value in terms of applicability, sustainability, and the promotion of local development. The results of this study can serve as the groundwork for policies that will bring place branding and urban regeneration strategies into the mainstream of local development planning, with particular foci on how place branding can strengthen a place’s identity and establish sustainable regeneration strategies.

ACS Style

Christian Nagaynay; Jeongwoo Lee. Place Branding and Urban Regeneration as Dialectical Processes in Local Development Planning: A Case Study on the Western Visayas, Philippines. Sustainability 2020, 12, 369 .

AMA Style

Christian Nagaynay, Jeongwoo Lee. Place Branding and Urban Regeneration as Dialectical Processes in Local Development Planning: A Case Study on the Western Visayas, Philippines. Sustainability. 2020; 12 (1):369.

Chicago/Turabian Style

Christian Nagaynay; Jeongwoo Lee. 2020. "Place Branding and Urban Regeneration as Dialectical Processes in Local Development Planning: A Case Study on the Western Visayas, Philippines." Sustainability 12, no. 1: 369.

Journal article
Published: 23 October 2019 in Sustainability
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Since the 1970s, the South Korean government has been redeveloping blighted residential environments and adopting large-scale redevelopment policies to solve urban housing-related problems. However, it is difficult to designate areas for redevelopment and identify areas where redevelopment is currently unfeasible. This study establishes a framework to support decision-making in a selection of housing renewal districts. The proposed Residential Environment Maintenance Index (REMI) overcomes the limitations of existing indicators, which are often biased toward physical requirements. Using this, we rationalize the designation of maintenance areas by considering both physical and social requirements and outline the renewal district designation procedure. To derive REMI, we used an analytic hierarchy process analysis and estimated the index’s reliability by clarifying the relative importance and priority of the indicators based on surveys of 300 subject matter experts. We analyzed various simulations by applying REMI at sites where maintenance is currently planned or discharged in Seoul. These reveal that the total number of urban renewal projects can be adjusted by adjusting the number of renewal district designations through the proposed REMI according to the economic situation. The results have implications for understanding REMI’s possible application and flexible management at the administrative level to pursue long-term sustainable development.

ACS Style

Woongkyoo Bae; UnHyo Kim; Jeongwoo Lee. Evaluation of the Criteria for Designating Maintenance Districts in Low-Rise Residential Areas: Urban Renewal Projects in Seoul. Sustainability 2019, 11, 5876 .

AMA Style

Woongkyoo Bae, UnHyo Kim, Jeongwoo Lee. Evaluation of the Criteria for Designating Maintenance Districts in Low-Rise Residential Areas: Urban Renewal Projects in Seoul. Sustainability. 2019; 11 (21):5876.

Chicago/Turabian Style

Woongkyoo Bae; UnHyo Kim; Jeongwoo Lee. 2019. "Evaluation of the Criteria for Designating Maintenance Districts in Low-Rise Residential Areas: Urban Renewal Projects in Seoul." Sustainability 11, no. 21: 5876.

Journal article
Published: 27 March 2019 in Sustainability
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University-community partnerships provide opportunities for collaborations and meaningful engagement with community partners, in order to promote sustainable community development. To date, studies on university-community partnerships have largely neglected partnership potential and readiness prior to partnership formation. These factors enable expectations and targets to be negotiated and potential problems to be anticipated, prior to any formal collaboration. Hence, this study investigates the optimal preconditions—including environment, resources, and motivation—to facilitate successful university-community collaboration for local urban planning. Specifically, a sample of local government units (LGUs) and universities in the Calabarzon region of the Philippines were interviewed and observed to determine their needs and access to planning resources at universities, as well as factors that would ensure sustained partnerships. The results show that there is a need for university-community partnerships in local planning, since LGUs have limited technical capacity in preparing comprehensive land use plans, particularly with respect to data analysis, technical writing, project development, and hazard mapping. Conversely, LGUs have more financial resources than universities. Local universities were determined to be uniquely suited to meet the technical and human resource needs of LGUs. Importantly, though, previous partnership experience was found to dramatically influence both parties’ decisions regarding whether or not to pursue a partnership. Accordingly, there is a need to temper the desires and expectations of partner organizations, and lay down the foundations of sustainable university-community partnership prior to partnership formation. Toward this end, policies that bolster partnership institutionalization, funding, and systematic monitoring and evaluation systems can enhance the utility of such partnerships moving forward.

ACS Style

Lovely S. Mores; Jeongwoo Lee; Woongkyoo Bae. University-Community Partnerships: A Local Planning Co-Production Study on Calabarzon, Philippines. Sustainability 2019, 11, 1850 .

AMA Style

Lovely S. Mores, Jeongwoo Lee, Woongkyoo Bae. University-Community Partnerships: A Local Planning Co-Production Study on Calabarzon, Philippines. Sustainability. 2019; 11 (7):1850.

Chicago/Turabian Style

Lovely S. Mores; Jeongwoo Lee; Woongkyoo Bae. 2019. "University-Community Partnerships: A Local Planning Co-Production Study on Calabarzon, Philippines." Sustainability 11, no. 7: 1850.

Journal article
Published: 11 October 2017 in Sustainability
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Los Angeles (LA), for many years a city with limited rail transit, is substantially expanding its public transit system. This paradigm change in transportation policy and investment creates new requirements for monitoring. One area needing evaluation is whether new, high quality transit options, such as light rail, near existing transit services increase sustainable transportation mode shares and reduce car travel. Few studies have explored light rail’s role as a catalyst to increase overall transit use and achieve sustainability goals within an auto-oriented city like LA. Metro’s data show that trips taken on its bus and rail system dropped overall by 10.5% between 2009 and 2016, but its rail ridership grew 21% during the same period due to the debut of the Gold Line and Expo Line extensions. We analyze changes to bus service and associated ridership impacts that resulted from the opening of these two LRT lines in LA. The immediate effect of the city’s bus service changes along the Gold Line light rail extension appear to be associated with a net “bus plus rail” ridership decline in that corridor. In contrast, the Expo Line corridor experienced an initial increase in ridership during the two years immediately after its opening, possibly because the bus service was not reduced by the same magnitude as along the Gold Line extension. Our findings indicate that changes in bus service made to coincide with the introduction of new light rail transit (LRT) can negatively affect the overall transit ridership in the corridor. Planners and policy makers should closely monitor changes in bus service and ridership associated with new rail transit to ensure investments results in an overall net increase in more sustainable travel.

ACS Style

Jeongwoo Lee; Marlon Boarnet; Douglas Houston; Hilary Nixon; Steven Spears. Changes in Service and Associated Ridership Impacts near a New Light Rail Transit Line. Sustainability 2017, 9, 1827 .

AMA Style

Jeongwoo Lee, Marlon Boarnet, Douglas Houston, Hilary Nixon, Steven Spears. Changes in Service and Associated Ridership Impacts near a New Light Rail Transit Line. Sustainability. 2017; 9 (10):1827.

Chicago/Turabian Style

Jeongwoo Lee; Marlon Boarnet; Douglas Houston; Hilary Nixon; Steven Spears. 2017. "Changes in Service and Associated Ridership Impacts near a New Light Rail Transit Line." Sustainability 9, no. 10: 1827.