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| 02463nam 2200397zi 4500 |
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| 001 | 9.936205 |
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| 003 | CaOODSP |
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| 005 | 20241007095055 |
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| 006 | m o d f |
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| 007 | cr |n||||||||| |
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| 008 | 240402e199312uubccd obt f000 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 041 | 1 |aeng|bfre |
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| 043 | |an-cn--- |
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| 086 | 1 |aDR52-11/11-1993E-PDF |
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| 100 | 1 |aGreening, Michael Victor, |d1961- |eauthor. |
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| 245 | 10|aModelling Arctic ambient noise in the 2 - 200 Hz band / |cby M.V. Greening and P. Zakarauskas. |
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| 264 | 1|aVictoria, B.C. : |bDefence Research Establishment Pacific = Centre de recherches pour la défense pacifique : |bResearch and Development Branch, Department of National Defence, |cDecember 1993 |
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| 300 | |a1 online resource (23, [4] pages) : |bcharts |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |aTechnical memorandum ; |v93-79 |
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| 500 | |aDigitized edition from print [produced by Defence Research and Development Canada]. |
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| 504 | |aIncludes bibliographical references (pages 22-23). |
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| 520 | 3 |a"Short-term Arctic ambient noise spectra over the frequency band 2 - 200 Hz are presented along with a two-component noise model capable of reproducing these spectra. The model is based on the measured source spectrum and the spatial, temporal and source level distribution of both active pressure ridging and ice cracking. Modelled ambient noise levels are determined by summing the input energy of the distributions of ice cracking and pressure ridging events and correcting for the propagation loss. Both modelled and measured spectra show that ice cracking may dominate the spring-time ambient noise to frequencies as low as 40 Hz."--abstract (page 2). |
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| 546 | |aIncludes abstract in French. |
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| 650 | 0|aIce|xAcoustic properties|zArctic Ocean. |
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| 650 | 6|aGlace|xPropriétés acoustiques|zArctique, Océan. |
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| 655 | 7|aTechnical reports|2lcgft |
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| 655 | 7|aRapports techniques|2rvmgf |
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| 710 | 2 |aDefence Research Establishment Pacific, |eissuing body. |
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| 710 | 1 |aCanada. |bDepartment of National Defence. |cResearch and Development Branch,|eissuing body. |
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| 830 | #0|aTechnical memorandum (Defence Research Establishment Pacific)|v93-79.|w(CaOODSP)9.936067 |
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| 856 | 40|qPDF|s1.52 MB|uhttps://publications.gc.ca/collections/collection_2024/rddc-drdc/DR52-11-11-1993-eng.pdf |
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