Subsurface temperature and its relation to dynamic height at 130° E across the North Equatorial Current

Qu Tangdong; Gary Meyers; Hu Dunxin

doi:10.1007/BF02850821

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Subsurface temperature and its relation to dynamic height at 130° E across the North Equatorial Current

Updated：2023-05-16

- Subsurface temperature and its relation to dynamic height at 130° E across the North Equatorial Current
- Journal of Oceanology and Limnology Vol. 11, Issue 2, Pages: 143-148(1993)
- Affiliations：
  
  1. Institute of Oceanology
  2. Division of Oceanography CSIRO
- Author bio：
- Funds：
- DOI：10.1007/BF02850821
  CLC：
- Published：1993
- Accepted：
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Tangdong, Q., Meyers, G. & Dunxin, H. Subsurface temperature and its relation to dynamic height at 130° E across the North Equatorial Current., Chin. J. Ocean. Limnol. 11, 143–148 (1993). https://doi.org/10.1007/BF02850821
DOI：

Tangdong, Q., Meyers, G. & Dunxin, H. Subsurface temperature and its relation to dynamic height at 130° E across the North Equatorial Current., Chin. J. Ocean. Limnol. 11, 143–148 (1993). https://doi.org/10.1007/BF02850821 DOI：

摘要

Abstract

Temperature profiles down to 1500 m (CTD) collected by Academia Sinica from 1986 to 1990 are used and discussed in relation to the dynamic heights at 130° E across the North Equatorial Current (NEC). An extremely high correlation between subsurface (say at 400 m depth) temperature and dynamic height relative to 1500 db is found

and the corresponding regression relationships suggest a method to estimate geostrophic circulation from subsurface temperature alone. These suggest that the conclusions from extensive studies on this topic in Australian waters also apply to the NEC region

at least at 130°E

thus making the subsurface thermal structure an excellent indicator of the variation of the NEC.

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Keywords

references

Andrews, J. C., 1976. The bathythermograph as a tool in gathering synoptic themohaline data.Aust. J. Mar. Freshwat. Res. 27: 405–415.

Boland, F. M. and Church, J. C., 1981. The East Australian Current 1987.Deep Sea Res. 28: 937–957

Godfrey, J. S. and Ridgway, K., 1985. The large-scale environment of the poleward-flowing Leeuwin Current, Western Australia: longs hore steric height gradients, wind stresses and geostrophic flow.J. Phys. Oceanogr. 15: 481–495.

Hamon, B. V., 1968. Temperature structure in the upper 250 meters in the East Australian Current area.Aust. J. Mar. Freshwat. Res. 19: 91–99.

Nilsson, C. S. and Cresswell, G. R., 1981. The formation and evolution of East Australian Current warm-core eddies.Prog. Oceanogr 9: 133–183.

Pearce, A. F., 1983. Estimation of dynamic heights from temperature profiles in the Tasman Sea.Aust. J. Mar. Freshwat. Res. 34: 115–119.

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