Volume 28, Issue 2 (12-2018)                   IJAUP 2018, 28(2): 215-225 | Back to browse issues page

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Ghalehnoee M, Ghaffari A, Mohsen-Haghighi N. Assessment of Soundscape Quality of Naghsh-e-Jahan Square in Isfahan. IJAUP. 2018; 28 (2) :215-225
URL: http://ijaup.iust.ac.ir/article-1-383-en.html
Abstract:   (1776 Views)

Sound as a non-visual component of landscape, has a significant impact on individuals perception of space. Because unlike the landscape that seeing and looking is totally an optional action, soundscape regardless of people comes to be heard and understood. Lack of attention to quality of emitted sounds in the environment may leads to problems such as noise pollution, lack of concentration, noise annoyance, disturbance and lack of privacy in people conversation in the urban spaces. A qualitative- quantitative assessment of soundscape is essential. In this regard, Naghsh-e-Jahan square in Isfahan, Iran as an urban space needs to be studied. The aim of this study was to evaluate the physical indicators of soundscape in Naghsh-e-Jahan square and to discover people perception of sounds. For this, questionnaire (n=385) was used. Indicators of LAeq and Ldenwere evaluated via St-8851 sound level meter. Field sound metering (429 points with 10 meters intervals near to the walls in depth of 2 and around the fountains and 20 meters intervals in the interior space) has done. In order to complete coverage of noise events and acoustic condition three temporal frameworks; day time (07-19), evening (19-22), night (22-07) were selected. All the field studies were in winter of 2016. Collected data entered into the GIS map and noise maps produced. Results of questionnaires showed that the most unpleasant sounds were motorcycle and cars and gharries and most pleasant sounds were water sound. Results showed that in some points such as around the central fountain, entrance of Qeysariyeh Bazar, loop between Sepah and Hafez St. and pass of carriages, and the mean overall Lden is higher than standard levels of noise in urban spaces 55 dB (A) and need to be controlled and reduces up to stand. 

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  • Natural and biological sounds are more preferred rather than technical and transportation sounds.
  • Sound maps for 3 temporal frames are produced (day time, evening time, night time)
  • The method allows a visualization of dynamic nature of soundscape (24 hour period)
  • Recommendations for improvements can be derived

Type of Study: Research Paper | Subject: Urban Design
Received: 2017/03/19 | Accepted: 2018/03/14 | Published: 2019/02/20

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