نتایج جستجو برای: laeq

تعداد نتایج: 102  

Journal: :Forests 2022

The soundscape of waterfront space in mountainous cities (WSMC) can affect people’s physical and mental health. Taking seven WSMCs Chongqing, China, as the study area, this aimed to investigate explore influence spatial characteristics visual smell environments on through a sensewalking approach. results show that evaluations are poor quality, traffic sounds dominant (33%). Among characteristic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ملایر - دانشکده محیط زیست 1391

آلودگی صدا یکی از بزرگترین آلاینده های محیط زیستی در شهرهای پرجمعیت می باشد. آلودگی صوتی از منابع متنوعی ایجاد می شود که نویز ناشی از ترافیک به عنوان یکی از منابع مهم نویز در سراسر جهان شناخته می شود. هدف کلی این تحقیق بررسی اثرات ناشی از آلودگی صوتی شهری بر روی اختلالات خواب می باشد، که پس از تعیین ایستگاه ها متغیر های تراز معادل صدا، حداقل و حداکثر تراز فشار صوت، پارامترهای آماری، شاخص صدای...

Journal: :Environmental Impact Assessment Review 2021

Continuous noise monitoring based on mobile systems could provide a quick feedback to assess the effect of policies implemented by authorities mitigate pollution. The present research verifies that measurements taken along main street and aggregated in time space can accurately estimate levels at static points. As consequence, sensors would be suitable build, continuously update, maps. Furtherm...

Journal: :Applied sciences 2022

Car horns were originally installed in vehicles for safety. However, many urban areas several countries face noise problems related to the use of car and motorbike horns. To propose measures suppress horns, relationships between horn factors including driver awareness behavior, traffic environment, transportation system should be investigated. The present study therefore conducted surveys grasp...

Journal: :IOP conference series 2022

Abstract One of the main collector routes in Makassar that connecting City and Gowa Regency, is Jalan Metro. The development transportation caused higher level noise which coming from transportation. Noise vehicles one environmental problems on this area. disruption public comfort communication are both impacted by vehicles. purpose study to evaluate characteristics Quantitative research was us...

2013
Giovanni Brambilla Veronica Gallo Giovanni Zambon

Urban parks play an important role in preserving and promoting the health of citizens who are often exposed to noise pollution and the stress of daily life. The present study describes the main results obtained from a survey performed in five urban parks in Milan. Measurements of the acoustic environment were carried out in 29 sites together with interviews with 231 users on certain aspects of ...

2014
Hussein M ELMEHDI

Residents of major cities of the United Arab Emirates are exposed to multiple noise sources originating from road traffic, aircraft flyovers and various industrial activities. Predicting the contribution of each of these sources to public annoyance, and hence relating it to health effects on residents of these cities, is not an easy task because of the complex nature of these sources and their ...

Journal: :Journal of toxicology and environmental health. Part A 2015
Carlos Carvalhais Joana Santos Manuela Vieira da Silva Ana Xavier

Evidence indicates that exposure to high levels of noise adversely affects human health, and these effects are dependent upon various factors. In hospitals, there are many sources of noise, and high levels exert an impact on patients and staff, increasing both recovery time and stress, respectively. The goal of this pilot study was to develop, implement, and evaluate the effectiveness of a trai...

Journal: :Jurnal teknologi 2023

The work presented in this paper includes a field investigation of road traffic noise between residential and construction areas selected urban area. aim study was to assess the level pollution from Seri Kembangan, Selangor. Therefore, included measurements level, evaluation percentage volume areas; identification correlation level. An EXTECH 407764 sound meter used take for 1 hour 30 minutes o...

Journal: :International Journal of Environmental Research and Public Health 2021

Field studies on traffic noise-induced annoyance have predominantly used estimated outside noise levels. We intended to complement existing knowledge with exposure–response relationships that are based precise indoor measurements. Acoustic recordings inside the bedrooms of nightly road and ratings in following morning were obtained from 40 suburban residents (mean age 29.1 years ± 11.7; 26 fema...

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