Gas and Bubble Production by Siphonopheres PDF Download
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Author: George V. Pickwell
Publisher:
ISBN:
Category : Bubbles
Languages : en
Pages : 124
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Book Description
Author: George V. Pickwell
Publisher:
ISBN:
Category : Bubbles
Languages : en
Pages : 124
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Author: G. V. Pickwell
Publisher:
ISBN:
Category : Siohonophores
Languages : en
Pages : 96
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Gas-filled siphonophore floats collected from a deep scattering layer (DSL) were photographed in the act of voluntarily expelling bubbles of nearly pure carbon monoxide. These observations suggest the possible release of free bubbles in the sea at depths considerably greater than previously known. Such free bubbles, together with the siphonophore floats themselves, constitute a biological family of potentially resonant sonar targets. Measurements of rates of gas production and diffusion, and of bubble and float dimensions, indicate the possibility of acoustic targets within the DSL which will resonate in response to sonar frequencies of less than 10 to greater than 110 kc/s depending upon depth. (Author).
Author: G. V. Pickwell
Publisher:
ISBN:
Category : Echo scattering layers
Languages : en
Pages : 60
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Effects of siphonophores on sound propagation in the sea were studied by determining the size of gas bubbles they contain and produce, and the times, volumes, and rates involved in these processes. Major findings were: (1) gases contained in fresh siphonophore floats are generally close to ambient pressure, suggesting release of many bubbles during vertical ascent; (2) oxygen consumption may be elevated during production of CO; (:) diffusion constants for siphonophore floats are close to those for chitin; (4) calculated energy requirements for countering hydrostatic pressures indicate that float refilling times are probably no more than a few hours. (Author).
Author: World Data Center A--Oceanography
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 74
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Author:
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 72
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Author: Thomas Lincoln Casey
Publisher:
ISBN:
Category : MSH (Hormone)
Languages : en
Pages : 1080
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Book Description
Records of meetings 1808-1916 in v. 11-27.
Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 896
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Author: Scripps Institution of Oceanography
Publisher:
ISBN:
Category : Marine biology
Languages : en
Pages : 768
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Author: G. Brooke Farquhar
Publisher:
ISBN:
Category : Ocean sounds
Languages : en
Pages : 652
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Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages :
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