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Record #188780:

The impact of abyssal mixing parameterizations in an ocean general circulation model / Steven R. Jayne.

Title: The impact of abyssal mixing parameterizations in an ocean general circulation model / Steven R. Jayne.
Author(s): Jayne, Steven R.
Date: 2009.
In: Journal of Physical Oceanography. (2009.), Vol. 39(7) (2009)
Abstract: Implementation in ocean model component of Community Climate System Model (CCSM) of parameterization of vertical diffusivity representing dynamics of mixing in abyssal ocean arising from breaking of internal waves generated by tides forcing stratified flow over rough topography is compared to more traditional ad hoc specification of vertical diffusivity, with noticeable impact on meridional overturning circulation. While upper limb of meridional overturning circulation appears to be only weakly impacted by transition to new parameterization, deep meridional overturning circulation is significantly strengthened by change. Poleward ocean heat transport does not appear to be strongly affected by mixing in abyssal ocean for reasonable parameter ranges. Transport of Antarctic Circumpolar Current through Drake Passage is related to amount of mixing in deep ocean. New parameterization is energetically consistent with known constraints on ocean energy budget.
Notes:

Journal of Physical Oceanography. Vol. 39(7) :1, 756-1, 775 (2009).

Keywords: 551.46 -- Oceanography, physical.
551.465 -- Oceanography, dynamics.
551.465.4 -- Oceanography, stratification.
551.465.45 -- Water masses.
551.465.7 -- Oceanography, energy budget.
519.673 -- Modelling.
C -- Oceanography, hydrography and hydrology.
(*80) -- Southern Ocean.
(*82) -- South Atlantic Ocean.
(*821) -- Drake Passage.
(26) -- Oceans.
SPRI record no.: 188780

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245 14 ‡aThe impact of abyssal mixing parameterizations in an ocean general circulation model /‡cSteven R. Jayne.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2009.
300 ## ‡ap. 1, 756-1, 775 :‡bill., diags., tables, maps.
500 ## ‡aJournal of Physical Oceanography. Vol. 39(7) :1, 756-1, 775 (2009).
520 3# ‡aImplementation in ocean model component of Community Climate System Model (CCSM) of parameterization of vertical diffusivity representing dynamics of mixing in abyssal ocean arising from breaking of internal waves generated by tides forcing stratified flow over rough topography is compared to more traditional ad hoc specification of vertical diffusivity, with noticeable impact on meridional overturning circulation. While upper limb of meridional overturning circulation appears to be only weakly impacted by transition to new parameterization, deep meridional overturning circulation is significantly strengthened by change. Poleward ocean heat transport does not appear to be strongly affected by mixing in abyssal ocean for reasonable parameter ranges. Transport of Antarctic Circumpolar Current through Drake Passage is related to amount of mixing in deep ocean. New parameterization is energetically consistent with known constraints on ocean energy budget.
530 ## ‡aAlso issued online ‡uurn:doi:10.1175/2009JPO4085.1‡uhttps://dx.doi.org/10.1175/2009JPO4085.1
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650 07 ‡a551.465 -- Oceanography, dynamics.‡2udc
650 07 ‡a551.465.4 -- Oceanography, stratification.‡2udc
650 07 ‡a551.465.45 -- Water masses.‡2udc
650 07 ‡a551.465.7 -- Oceanography, energy budget.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aC -- Oceanography, hydrography and hydrology.‡2local
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
651 #7 ‡a(*82) -- South Atlantic Ocean.‡2udc
651 #7 ‡a(*821) -- Drake Passage.‡2udc
651 #7 ‡a(26) -- Oceans.‡2udc
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