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| one publication added to basket [293732] |
Measurement of low-frequency tissue response of the seagrass Posidonia oceanica
Johnson, J.R.; Venegas, G.R.; Wilson, P.S.; Hermand, J.-P. (2017). Measurement of low-frequency tissue response of the seagrass Posidonia oceanica. J. Acoust. Soc. Am. 141(5): EL433-EL438. https://dx.doi.org/10.1121/1.4981925
In: The Journal of the Acoustical Society of America. American Institute of Physics: New York. ISSN 0001-4966; e-ISSN 1520-8524, meer
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| Auteurs | | Top |
- Johnson, J.R.
- Venegas, G.R.
- Wilson, P.S.
- Hermand, J.-P., meer
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| Abstract |
A one-dimensional acoustic resonator technique was used to study leaves of the Mediterranean seagrass species Posidonia oceanica collected from Crete and Sicily. The leaf blades were finely divided, mixed with artificial seawater, and degassed to create a suspension of tissue independent of leaf structure and free bubbles or internal voids. The low-frequency (1 to 8 kHz) bulk modulus of the leaf tissue was inferred from the acoustic measurements and independent density measurements. The measured density of the seagrass tissue was 960 +/- 20 kg/m3 which agrees with previously published values. The inferred bulk modulus was 2.1 GPa with 90% confidence limits 1.0-5.0 GPa. |
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