The overall aim of this research was to find a group of easy-to-access variables, that are measurable or assessable, and which help predict acoustic comfort in urban places, in order to make further progress in developing a soundscape indicator based on indices readily available in urban environments. Our main conceptual framework has been the Environmental Experience Model and the ISO of Soundscape, together with the most up-to-date information and technology, where parameters that influence the soundscape and comfort in urban public places have been identified. This work has been undertaken as part of the CITI-SENSE project. A viable technical and procedural solutionwas designed and tested in a field demonstration, where 53 people were engaged to provide 120 observations in the city ofVitoria-Gasteiz, using environmental sensors connected to a smartphone. The results were analysed and are discussed here with the aim of defining an indicator that permits an easy evaluation of acoustic comfort in urban places. The results presented in this article are considered a step forward in the development of a soundscape indicator based on indices readily available in urban environments. The limitations of the findings are also discussed, as are suggestions for further research.
The purpose of this research was to design and deploy tools that apply the concept of citizen observatories and empowering citizens in the assessment of acoustic comfort in public places. The research applies an iterative cycle of design and this article presents the results of a demonstrative experiment carried out in situ using the first products developed. This work was undertaken as part of the CITI-SENSE project. A viable technical and procedural solution was designed and tested in a field demonstration, where 53 people were engaged to provide 137 observations in the city of Vitoria-Gasteiz, using environmental sensors connected to a smartphone. The results have been analyzed and discussed in terms of the product’s attractiveness for engaging citizens in the evaluation of acoustic comfort in urban places, the accuracy of the noise levels measured by the acoustic app service integrated into the smartphone, and its ability to obtain simultaneous acoustic and perception data. The results presented in this article are considered a step forward in the research into developing solutions for assessing acoustic comfort. Limitations of the proposed solution are discussed, as are suggestions for further research.
The capacity of natural settings to promote psychological restoration has attracted increasing research attention, especially with regards to the visual dimension. However, there is a need to extend these studies to urban settings, such as squares, parks or gardens, due to the global trend towards urbanisation, and to integrate the dimension of sound into landscape. Such was the main aim of this study, in which 53 participants assessed four public spaces in Vitoria-Gasteiz (Spain) as part of the CITI-SENSE Project (137 observations were used for analysis). A smartphone application was used to simultaneously collect objective and subjective data. The results show that at the end of the urban environmental experience, there was a statistically significant reduction in negative emotions and perceived stress, and a slight increase in positive emotions. Emotional restoration was mainly associated with prior emotional states, but also with global environmental comfort and acoustic comfort. The soundscape characteristics that contributed to greater emotional restoration and a reduction in perceived stress were pleasantness, calm, fun and naturalness. Therefore, in agreement with previous research, the findings of the present study indicate that besides contributing to the quietness of the urban environment, the urban soundscape can promote psychological restoration in users of these spaces.
Abstract:The need to improve acoustic environments in our cities has led to increased interest in correcting or minimising noise pollution in urban environments, something that has been associated with the resurgence of the soundscape approach. This line of research highlights the importance of context in the perception of acoustic environments. Despite this, few studies consider together a wide number of variables relating to the context, and analyse the relative importance of each. The purpose of this paper is therefore to identify the acoustic and non-acoustic characteristics of a place (context) that influence an individual's perception of the sound environment and the relative importance of these factors in soundscape. The aim is to continue advancing in the definition of an acoustic comfort indicator for urban places. The data used here were collected in various soundscape campaigns carried out by Tecnalia in Bilbao (Spain) between 2011 and 2014. These studies involved 534 evaluations of 10 different places. The results indicate that many diverse contextual factors determine soundscape, the most important being the congruence between soundscape and landscape. The limitations of the findings and suggestions for further research are also discussed.
Abstract:Concerning quiet areas, the definition provided by the Environmental Noise Directive (END) is intended to preserve the acoustic environment in those areas where it is considered good, according to general indicators and limits. However, the END is not clear enough to allow appropriate assessment and management in urban environments. The aim of QUADMAP project was to deliver a method and guidelines for the identification, delineation, characterization, improvement and management of Quiet Urban Areas (QUAs) as defined by the END. The Project also wanted to help clarify the definition of a QUA, its meaning and its added value for cities in terms of health, safety and lowering stress levels. In this article, after an introduction of the current European scenario on QUAs, the main aspects of the methodology introduced for the selection, analysis and management of QUAs are described. Eventually, the major results achieved by the Project, in terms of the guideline on QUAs, the implemented interventions and the achieved benefits, are reported and discussed.
Climate change is a major global threat to our society’s urban areas, with the majority of Europe's population living in cities and their cultural heritage. Historic districts of significant cultural value and the communities connected to these places have an important role to play in fostering location-based identity and economy, social cohesion, innovation, urban regeneration, and climate change adaptation. Thus, it is important to make historic districts climate resilient, by jointly considering climate change adaptation, disaster risk management, heritage management, and sustainable urban development. However, this is often a major challenge for local and regional administrators and relevant stakeholders. This paper constitutes the first major result of the EU R&I Task Force for Climate Neutral and Resilient Historic Urban Districts. It provides an overview of the challenges faced by practitioners and researchers when jointly addressing the needs of resilient historic districts and provides an initial set of recommendations produced by the task force to address these challenges. These challenges cover different issues around five topics (i) data availability, use and its management, (ii) the common responsibility fragmentation in policy and governance, (iii) the challenge on integrating local knowledge and traditions in resilience building, (iv) the difficulties around the co-ownership and co-production in governance and (v) the importance of mainstreaming heritage management in adaptation and resilience policies.
This chapter introduces environmental experience as a theoretical framework that describes people's perceptions of urban places. Its aim is to describe indicators that quantify how people perceive urban environmental conditions and evaluate its level of comfort. Factors considered in the environmental comfort assessment are soundscape, thermal comfort, and natural light quality, and indicators that quantify these factors are presented and discussed. Projects are also described where environmental comfort assessments have been incorporated into urban design or management strategies. Lastly, examples are presented of ICT tools that facilitate participative observation of public places. The chapter concludes with suggestions to raise awareness of the importance of perception-driven approaches in urban assessment and design. Main conclusion is that there is a need to build consensus on the methods to address subjectivity and to exchange experiences showing the potential of these studies.
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