EFFECT OF PLANTINGS ON RADIATION OF HIGHWAY NOISE
THE RESULTS OF RESEARCH GIVES CLEAR INDICATION THAT A BELT OF DENSE MAN-MADE GROWTH OF TALL TREES AND UNDERBRUSH CAN GIVE AS MUCH AS FIVE TO EIGHT DB TRUCK/CAR NOISE REDUCTION PER 100 FEET OF PLANTING DEPTH. NATURAL GROWTH OF DEEP FORESTS WERE MEASURED TO GIVE FROM THREE TO FIVE DB ATTENUATION PER 100 FEET OF PLANTING DEPTH. PLANTING DEPTH OF A LEAST 100 FEET IS REQUIRED TO GIVE RELIABLE RESULTS, WITH TREE HEIGHTS OF 40-50 FEET DESIRABLE AND DENSITIES OF 50-70 FEET VISIBILITY NEEDED FOR GOOD EFFECT. AN ANALYSIS OF THE CURRENT LITERATURE PROVIDES CONSIDERABLE EXPERIMENTAL VERIFICATION. /AUTHOR/
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Authors:
- Reethof, G
- Publication Date: 1973-3
Media Info
- Pagination: p. 185-9
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Serial:
- Air Pollution Control Association, Journal of
- Volume: 23
- Issue Number: 3
- Publisher: Air Pollution Control Association
Subject/Index Terms
- TRT Terms: Noise control; Plants; Reviews; Traffic noise; Trees
- Subject Areas: Highways; Safety and Human Factors;
Filing Info
- Accession Number: 00224239
- Record Type: Publication
- Files: TRIS
- Created Date: Jun 19 1973 12:00AM