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Water wave propagation in ice-covered oceans.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Water wave propagation in ice-covered oceans./
作者:	Wang, Ruixue.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2010,
面頁冊數:	110 p.
附註:	Source: Dissertations Abstracts International, Volume: 72-10, Section: B.
Contained By:	Dissertations Abstracts International72-10B.
標題:	Physical oceanography. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3440734
ISBN:	9781124426709

Water wave propagation in ice-covered oceans.
Wang, Ruixue.

Water wave propagation in ice-covered oceans. - Ann Arbor : ProQuest Dissertations & Theses, 2010 - 110 p.

Source: Dissertations Abstracts International, Volume: 72-10, Section: B.

Thesis (Ph.D.)--Clarkson University, 2010.

This item must not be sold to any third party vendors.

In ice-covered oceans, waves play a very important role in sea ice processes and offshore operations. The retreat of sea ice coverage in the Arctic increases the wave intensity; hence it is necessary to model wave conditions in the Arctic. In this thesis, the wave propagation characteristics in ice-covered oceans are studied systematically. A laboratory experiment was first carried out to study the wave propagation through ice covers consisting of a frazil and pancake ice mixture. The comparison between the experimental results and the two-layer viscous model shows that modeling the tested ice cover as a viscous fluid is not sufficient to describe the observed dispersion relation and amplitude attenuation. Based on the ice morphological structure and wave propagation characteristics in the marginal ice zone, a viscoelastic model is proposed to describe the propagation of gravity waves under various types of ice cover. It is shown that the viscoelastic model bridges the gap among the existing models and provides a unified tool for wave-ice modelers. In view of multi-mode coexisting in the transition elasticity regime, the Eigenfunction Expansion Matching Method (EEMM) is proposed to solve the amplitude of each mode. The resulting "full" solutions predict wave characteristics in the whole range of elasticity. Then, the viscoelastic model is applied to the laboratory experiment to inversely determine the viscosity and elasticity of the tested ice covers. Ways to overcome the challenges in validation and parameterization of the viscoelastic model using the laboratory experiment are further discussed.

ISBN: 9781124426709Subjects--Topical Terms:

3168433
Physical oceanography.
Subjects--Index Terms:

Ice cover

Water wave propagation in ice-covered oceans.
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500 $a Source: Dissertations Abstracts International, Volume: 72-10, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Shen, Hayley H.
502 $a Thesis (Ph.D.)--Clarkson University, 2010.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a In ice-covered oceans, waves play a very important role in sea ice processes and offshore operations. The retreat of sea ice coverage in the Arctic increases the wave intensity; hence it is necessary to model wave conditions in the Arctic. In this thesis, the wave propagation characteristics in ice-covered oceans are studied systematically. A laboratory experiment was first carried out to study the wave propagation through ice covers consisting of a frazil and pancake ice mixture. The comparison between the experimental results and the two-layer viscous model shows that modeling the tested ice cover as a viscous fluid is not sufficient to describe the observed dispersion relation and amplitude attenuation. Based on the ice morphological structure and wave propagation characteristics in the marginal ice zone, a viscoelastic model is proposed to describe the propagation of gravity waves under various types of ice cover. It is shown that the viscoelastic model bridges the gap among the existing models and provides a unified tool for wave-ice modelers. In view of multi-mode coexisting in the transition elasticity regime, the Eigenfunction Expansion Matching Method (EEMM) is proposed to solve the amplitude of each mode. The resulting "full" solutions predict wave characteristics in the whole range of elasticity. Then, the viscoelastic model is applied to the laboratory experiment to inversely determine the viscosity and elasticity of the tested ice covers. Ways to overcome the challenges in validation and parameterization of the viscoelastic model using the laboratory experiment are further discussed.
590 $a School code: 0049.
650 4 $a Physical oceanography. $3 3168433
653 $a Ice cover
653 $a Sea ice
653 $a Water waves
653 $a Wave propagation
690 $a 0415
710 2 $a Clarkson University. $3 1020943
773 0 $t Dissertations Abstracts International $g 72-10B.
790 $a 0049
791 $a Ph.D.
792 $a 2010
793 $a English
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