The effect of sloping bottom topography on the source-driven deep tropical circulation

Lü Jian; Wu De-xing

doi:10.1007/BF02844927

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The effect of sloping bottom topography on the source-driven deep tropical circulation

Updated：2023-05-16

- The effect of sloping bottom topography on the source-driven deep tropical circulation
- Journal of Oceanology and Limnology Vol. 16, Issue 4, Pages: 308-316(1998)
- Affiliations：
  
  Laboratory of Physical Oceanography Institute of Physical Oceanography Ocean University of Qingdao
- Author bio：
- Funds：
- DOI：10.1007/BF02844927
  CLC：
- Published：1998
- Accepted：
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Jian, L., De-xing, W. The effect of sloping bottom topography on the source-driven deep tropical circulation., Chin. J. Ocean. Limnol. 16, 308–316 (1998). https://doi.org/10.1007/BF02844927
DOI：

Jian, L., De-xing, W. The effect of sloping bottom topography on the source-driven deep tropical circulation., Chin. J. Ocean. Limnol. 16, 308–316 (1998). https://doi.org/10.1007/BF02844927 DOI：

摘要

Abstract

An inverted one-and-a-half layer reduced-gravity linear shallow-water model with linearly varied topography is formulated

in which a uniform mid-depth upwelling is prescribed. The analytical particular solution of 0(ε) order single equation in u1 showed that the linear topography inclination forces the water column to move pole-ward with increased planetary vorticity or to produce relative vorticity

and hence to depress the cross-equatorial transport of deep western boundary current. It is noteworthy that the topography plays the same role as Newtonian Cooling in forcing on the absolute vorticity.

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references

Holland, W. R., 1973. Baroclinic and topographic influences on the transport in the western boundary currents.Geophy. Fluid Dyn. 4: 187–210

Kawase, M., 1987. Establishment of mass—driven abyssal circulation.J. Phys. Oceanogr. 17: 2294–2317

Kawase, M., 1993. Effect of concave bottom geometry on the upwelling—driven flow in an abyssal basin.J. Phys. Oceanogr. 23: 400–405

Liu Zhengyu, 1990. On the influence of continental slope on the western boundary layer: The enhanced transport and recirculation.J. Phys. Oceanogr. 48: 255–285

Stommel, H., 1958. The abyssal circulation.Deep—Sea Res. 6: 80–82

Stommel, H., Arons, A. B., 1960a. On the abyssal circulation of the world ocean—I. Stationary planetary flow patterns on a sphere.Deep—Sea Res. 6: 140–154

Stommel, H., Arons, A. B., 1960b. On the abyssal circulation of the world ocean—II. An idealized model of the circulation pattern and amplitude in the basins.Deep—Sea Res. 6: 217–233

Stommel, H., Arons, A. B., 1972. On the abyssal circulation of the world ocean—V. The influence of bottom slope on the broadening of inertial boundary currents.Deep—Sea Res. 19: 707–718

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