Table of Contents

Introduction.
NOISE IN URBAN FOREST. Sound propagation. Definitions and theoretical considerations ; Factors affecting sound propagation..
Equipment for noise measurement. Instrumentation and noise sources ; Measurement in situ..
TREE CHARACTERISTICS AND ACOUSTIC SENSORS. Morphological characteristics..
Mechanical characteristics. Devices and instrumentation ; Mechanical characteristics of standing trees ; Detection of internal defects in standing trees..
Genotypic characteristics..
Sylvicultural practices..
NOISE ATTENUATION WITH PLANT MATERIAL. Physical aspects of noise attenuation by vegetation..
Ground attenuation..
Scattering by trees. Scattering by stems ; Scattering by canopy and foliage ; Reverberation in a forest stand ; Atmospheric conditions..
Sound scattering by barriers. Psychological effect ; Solid barriers without vegetation ; Solid barriers with vegetation..
TRAFFIC NOISE ABATEMENT. Road traffic noise..
Rail transportation noise..
Aircraft noise..
NOISE ABATEMENT AND DWELLINGS. Urban area..
Suburban area..
NOISE, BIRDS AND INSECTS IN URBAN FOREST ENVIRONMENT. Bird acoustic communication in forest environment..
Detection of termite infestation in urban trees..
ACOUSTICS FOR FIRE CONTROL IN FOREST..
ECONOMIC ASPECTS..
ANNEXES: 1. Symbols.
2. Some theoretical considerations.
3. Frequency weighting.
4. Standards.
5. Units.
References.
Subject index.