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    Wyświetlanie 1-3 z 3
    Tytuł:
    On Suitability of Day-Night Average Sound Level Descriptor in Indian Scenario
    Autorzy:
    Garg, Naveen
    Powiązania:
    https://bibliotekanauki.pl/articles/177734.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    National Ambient Noise Monitoring Network
    NANMN
    day equivalent sound level
    Lday
    night equivalent sound level
    Lnight
    day-night average sound level
    Ldn
    day-evening-night average sound level
    Lden
    equivalent continuous sound level
    LAeq,24h
    Opis:
    The paper analyzes the monthly day equivalent levels, Lday (06-22 h) and night equivalent levels, Lnight (22-06 h) values observed in year 2015 and 2016 for the 70 locations whereby continuous noise monitoring is conducted under the National Ambient Noise Monitoring Network (NANMN). The study exclusively analyzes the ambient noise data acquired for 25 locations in commercial zone, 12 in industrial, 16 in residential and 17 in silence zones. The analysis of (Lday – Lnight) for 70 locations under observations reveals that 10 dB night time adjustment in day-night average sound level descriptor is not appropriate in such a scenario and as such it is recommended to use day-night average sound level and day-eveningnight average sound level descriptors without any 10 dB night time adjustment or 5 dB evening time adjustments. The analysis and conclusions of the present study shall be very useful for developing single value noise descriptor correlating the noise annoyance and health effects in Indian perspectives.
    Źródło:
    Archives of Acoustics; 2019, 44, 2; 385-392
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation and Analysis of Long-term Environmental Noise Levels in 7 Major Cities of India
    Autorzy:
    Garg, Naveen
    Kumar, Saurabh
    Gautam, Chitra
    Gandhi, Vishal
    Gupta, Nalin Kumar
    Powiązania:
    https://bibliotekanauki.pl/articles/31339933.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    National Ambient Noise Monitoring Network
    NANMN
    day equivalent sound level
    Lday
    night equivalent sound level
    Lnight
    Opis:
    This paper describes the long-term noise monitoring data for ten consecutive years (2011–2020) acquired from the diversified National Ambient Noise Monitoring Network (NANMN) set up across 7 major cities of India and consisting of 70 stations for continuous noise monitoring throughout the year. The annual average ambient noise levels observed throughout these ten years in 70 locations under study, including 25 locations in commercial zones, 12 in industrial, 16 in residential, and 17 in silence zones, are described. The noise scenario in these ten years is compared and analyzed. It is observed that no site in residential or silence zones meets the ambient noise limits for the past ten years. The study suggests guidelines for a policy framework for environmental noise management and control to regulate noise pollution in Indian cities.
    Źródło:
    Archives of Acoustics; 2023, 48, 1; 103-126
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation and Analysis of Environmental Noise Pollution in Seven Major Cities of India
    Autorzy:
    Garg, N.
    Sinha, A. K.
    Dahiya, M.
    Gandhi, V.
    Bhardwaj, R. M.
    Akolkar, A. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/177396.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    NANMN
    National Ambient Noise Monitoring Network
    day equivalent level
    Lday
    night equivalent level
    Lnight
    day-night average sound level
    Ldn
    equivalent continuous sound pressure level
    LAeq,24h
    Opis:
    The paper describes the noise monitoring data acquired from the pilot project on the establishment of National Ambient Noise Monitoring Network (NANMN) across seven major cities in India for continuous noise monitoring throughout the year. The annual average Lday (06–22 h) and Lnight (22–06 h) values observed in year 2011–2014 for the 35 locations under study in which 14 locations are in commercial zone, 5 in Industrial, 7 in residential and 9 in silence zones are described. The long-term noise monitoring shows that ambient noise levels have marginally increased for 29 sites (82.9%) since past four years. The present study is focused on evaluation and analysis of environmental noise pollution at 35 noise monitoring sites in seven major cities of India and shall be instrumental in planning for the noise abatement measures for controlling the noise pollution in these sites.
    Źródło:
    Archives of Acoustics; 2017, 42, 2; 175-188
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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