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Record #187531:

Dynamics of the wind-driven sea level variation around Antarctica / Kazuya Kusahara, Kay I. Ohshima.

Title: Dynamics of the wind-driven sea level variation around Antarctica / Kazuya Kusahara, Kay I. Ohshima.
Author(s): Kusahara, Kazuya.
Ohshima, Kay I.
Date: 2009.
In: Journal of Physical Oceanography. (2009.), Vol. 39(3) (2009)
Abstract: Uses barotropic shallow-water model to investigate dynamics of sea level variation around Antarctica, and demonstrates that wind stress at coastal boundary is responsible for coastal sea level. Model identifies both dominant coherent signal and westward propagating signals trapped over shelf and slope. Considers analytical solutions of oceanic response to alongshore wind stress over shelf and slope in circumpolar domain in which wavenumber-zero mode appears and characterizes coastal dynamics around Antarctica. At periods from 10 to 200 days coherent sea level can be explained quantitatively by solution of this wavenumber-zero mode with 5-10-day damping time scale. Wavenumber-zero component of wind stress, corresponding to Antarctic Oscillation (AAO) or southern annular mode (SAM), is dominant forcing.
Notes:

Journal of Physical Oceanography. Vol. 39(3) :658-674 (2009).

Keywords: 551.46 -- Oceanography, physical.
551.461.2 -- Sea level, fluctuations.
551.465 -- Oceanography, dynamics.
551.465.5 -- Ocean currents.
551.55 -- Wind and air turbulence.
551.556 -- Wind, effects of.
519.673 -- Modelling.
C -- Oceanography, hydrography and hydrology.
(*7) -- Antarctic regions.
(*80) -- Southern Ocean.
SPRI record no.: 187531

MARCXML

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245 10 ‡aDynamics of the wind-driven sea level variation around Antarctica /‡cKazuya Kusahara, Kay I. Ohshima.
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300 ## ‡ap. 658-674 :‡bill., diags., maps.
500 ## ‡aJournal of Physical Oceanography. Vol. 39(3) :658-674 (2009).
520 3# ‡aUses barotropic shallow-water model to investigate dynamics of sea level variation around Antarctica, and demonstrates that wind stress at coastal boundary is responsible for coastal sea level. Model identifies both dominant coherent signal and westward propagating signals trapped over shelf and slope. Considers analytical solutions of oceanic response to alongshore wind stress over shelf and slope in circumpolar domain in which wavenumber-zero mode appears and characterizes coastal dynamics around Antarctica. At periods from 10 to 200 days coherent sea level can be explained quantitatively by solution of this wavenumber-zero mode with 5-10-day damping time scale. Wavenumber-zero component of wind stress, corresponding to Antarctic Oscillation (AAO) or southern annular mode (SAM), is dominant forcing.
530 ## ‡aAlso issued online ‡uurn:doi:10.1175/2008JPO3982.1‡uhttps://dx.doi.org/10.1175/2008JPO3982.1
650 07 ‡a551.46 -- Oceanography, physical.‡2udc
650 07 ‡a551.461.2 -- Sea level, fluctuations.‡2udc
650 07 ‡a551.465 -- Oceanography, dynamics.‡2udc
650 07 ‡a551.465.5 -- Ocean currents.‡2udc
650 07 ‡a551.55 -- Wind and air turbulence.‡2udc
650 07 ‡a551.556 -- Wind, effects of.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aC -- Oceanography, hydrography and hydrology.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
700 1# ‡aOhshima, Kay I.
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