Effective flow resistivity of ground surfaces determined by acoustical measurements
Abstract
Following earlier work by Chessell [J. Acoust. Soc. Am. 62, 825–834 (1977)] it is shown that his single-parameter theory can be used to predict the measured transmission spectra between a source and receiver located above ground surfaces having a wide range of acoustic impedance—or effective flow resistivity. Surfaces behaving essentially as locally reacting range from new-fallen snow, effective flow resistivity σ=10–30 cgs rayls, through grass-covered ground, σ=150–300 rayls, to mature asphalt, σ=30 000 rayls. The thermal-conduction and viscous boundary layer of the surface limits the effective flow resistivity of even the hardest and most impervious surface to the range 105–106 rayls, depending on frequency: this value is appropriate to evaluate the complex reflection coefficient of the paint-sealed surface of a thick slab of reinforced concrete.
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Acoustic transmissions close to the ground are characterized by frequency-dependent structure in the transmission loss caused by interference between airborne and ground-reflected arrivals.
“Acoustic transmissions close to the ground are characterized by frequency-dependent structure in the transmission loss caused by interference between airborne and ground-reflected arrivals.”
From Directional acoustic radiation in the strut display of male sage grouse <i>Centrocercus urophasianus</i> (1999) · cites this paper as Embleton et al., 1983
The ground-induced interference structure depends sensitively on the composition of the ground and ground relief.
“The ground-induced interference structure depends sensitively on the composition of the ground (Embleton et al., 1983) and ground relief.”
From Directional acoustic radiation in the strut display of male sage grouse <i>Centrocercus urophasianus</i> (1999) · cites this paper as Embleton et al., 1983
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- Authors
- Embleton, T. F. W., Piercy, J. E., & Daigle, G. A.
- Affiliations
- National Research Council Canada (CA)
- Venue
- The Journal of the Acoustical Society of America
- Publisher
- Acoustical Society of America (ASA)
- Published
- 1983-10-01
- Volume
- 74
- Issue
- 4
- Pages
- 1239-1244
- ISSN
- 0001-4966 (ISSN-L)
- 1520-8524
- OpenAlex
- W2073048567
- Cited by
- 172
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 8 · 2023: 5 · 2022: 8 · 2021: 7 · 2020: 8 · 2019: 4 · 2018: 5 · 2017: 5 · 2016: 4 · 2015: 7 · 2014: 4 · 2013: 8 · 2012: 3
- FWCI
- 2.60
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Journal of the Acoustical Society of America (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Acoustic Wave Phenomena Research
- Health Sciences › Health Professions › Speech and Hearing › Noise Effects and Management
- Physical Sciences › Engineering › Mechanics of Materials › Ultrasonics and Acoustic Wave Propagation
- Keywords
- ground surface, acoustic impedance, snow, bitumen, viscous boundary layer, complex reflection coefficient, reinforced concrete
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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