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    Noise complaints during a pandemic: A longitudinal analysis
    (Walter de Gruyter GmbH, 2021) Yıldırım, Yalçın; Arefi, M.
    COVID-19 has affected people's lives in different ways from reduced mobility and staying-at-home orders to other daily life routines. These changes have, in turn, affected the quality of life in urban environments including air quality and noise. The noise aspect, for example, suggests quieter environments due to fewer vehicles on streets, and less human activities. On the other hand, staying at home may cause more activities happening at the building level, i.e., more people in buildings may make more noise for neighbors. In order to understand this nexus, the study examines the noise complaints data in Dallas, USA. To do this, the study first compares the noise complaints after the COVID-19 intercourse and the same data period in 2019. Findings surprisingly show reduced noise complaints during the COVID-19 time frame by about 14% compared to the pre-COVID-19 period. The majority of this reduction occurred in and around the city center. In other words, the noise complaints seem more spatially dispersed at the outskirts of the city. Another finding that directs more detailed analyses, however, considers the massive reduction of ridership, traffic circulation, and building permits. This needs some other techniques for determining the sources for incommensurate noise complaints. © 2021 Walter de Gruyter GmbH. All rights reserved.
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    The sound of new urbanism
    (Routledge, 2021) Yıldırım, Yalçın; Arefi, M.
    Understanding the nexus between soundscape and urban form is challenging. This research explores soundscapes in new urbanist (NU) developments to contribute to the urban form studies of sound environment. NU developments promote the quality of life (QoL) in dense, walkable settings with mixed-use buildings. An under-examined, yet critical aspect of New Urbanism approach is the soundscape. To study the relationship between soundscape and NU, this research investigates soundscapes from NU developments by assessing preference of 95 residents and visitors as well as on-site sound pressure level (SPL) measurements within five NU developments in the Dallas-Fort Worth metropolitan area. Findings suggest that soundscapes of NU developments are overall at the high SPLs and differ at various development typologies with significant implications for urban form. The research proposes recognizing the sound-related attributes of urban form so that sound-related resolutions can be applied to other geographical and planning practices. © 2020 Informa UK Limited, trading as Taylor & Francis Group.