SOUND PROPAGATION THROUGH AN OCEANIC FRONT
The effect of ocean fronts on long-range sound propagation in the ocean has been investigated theoretically. A numerical model of the parabolic equation (PE) type was used for simulating propagation across a real front observed on the Faroe-Iceland Ridge in October 1985. The front separating warm At...
| Main Authors: | , |
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| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
HAL CCSD
1990
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| Subjects: | |
| Online Access: | https://hal.science/jpa-00230569 https://hal.science/jpa-00230569/document https://hal.science/jpa-00230569/file/ajp-jphyscol199051C2240.pdf https://doi.org/10.1051/jphyscol:19902240 |
| Summary: | The effect of ocean fronts on long-range sound propagation in the ocean has been investigated theoretically. A numerical model of the parabolic equation (PE) type was used for simulating propagation across a real front observed on the Faroe-Iceland Ridge in October 1985. The front separating warm Atlantic water from cold Arctic water had horizontal sound speed changes of 30 m/s over a range of 50 km. The acoustic effects of the front for a 150 km transmission path were found to be significant (> 10 dB), but with strong dependence on environmental parameters as well as on source/receiver depths and frequency. |
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