Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10184
Title: On the addition of two incoherent unsteady noise records of similar statistical structures. Part 2 : Effects of long time span and diurnal variations
Authors: Tang, SK 
Keywords: Assessment
Environment
Issue Date: 2003
Publisher: Pergamon Press
Source: Applied acoustics, 2003, v. 64, no. 6, p. 541-564 How to cite?
Journal: Applied acoustics 
Abstract: The present study is a follow-up of a previous investigation of the author in an attempt to understand how the statistical structures of noise records will affect that of the resultant noise record formed from their addition. This issue becomes particularly important when statistical indices such as L10 and L90 of the resultant noise record are required for planning or assessment purposes. Long time span sound pressure level records were obtained from 18 well-separated independent sites in the high-rise residential areas of Hong Kong. The results obtained from their addition are compared with those of the 25-min record addition done by the author previously. The diurnal variations of the addition results are also discussed. In general, the present results suggest that there is weak correlation between the long time span records. The currently adopted logarithmic addition procedure still over-estimates the noise climate and only limited improvement is found when compared to the results of the 25-min cases. The present results further confirm the importance of the noise statistical structures in the environmental noise impact assessment.
URI: http://hdl.handle.net/10397/10184
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/S0003-682X(03)00003-3
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

3
Last Week
0
Last month
0
Citations as of Aug 13, 2017

WEB OF SCIENCETM
Citations

2
Last Week
0
Last month
0
Citations as of Aug 12, 2017

Page view(s)

26
Last Week
3
Last month
Checked on Aug 13, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.