Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model

Lingling Liu; Ruixin Huang; Fan Wang

doi:10.1007/s00343-016-5036-y

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Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model

Updated：2023-05-16

- Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model
- Journal of Oceanology and Limnology Vol. 34, Issue 4, Pages: 835-846(2016)
- Affiliations：
  
  1. Key Laboratory of Ocean Circulation and Waves Institute of Oceanology Chinese Academy of Sciences
  2. Department of Physical Oceanography Woods Hole Oceanographic Institution
- Author bio：
- Funds：
- DOI：10.1007/s00343-016-5036-y
  CLC：
- Online First：07 January 2016，
  
  Published：2016
- Accepted：
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Liu, L., Huang, R. & Wang, F. Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model., Chin. J. Ocean. Limnol. 34, 835–846 (2016). https://doi.org/10.1007/s00343-016-5036-y
DOI：

Liu, L., Huang, R. & Wang, F. Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model., Chin. J. Ocean. Limnol. 34, 835–846 (2016). https://doi.org/10.1007/s00343-016-5036-y DOI：

摘要

Abstract

Ventilation in the North Pacific is examined using data from the eddy-resolving 1/12° global HYbrid Coordinate Ocean Model (HYCOM) and QuikSCAT wind stress data. For the period January 2004 to December 2006 and area 20°–40°N

the total annual subduction rate is estimated at 79 Sv

and the obduction rate 41 Sv. Resolving the small-scale and high-frequency components of the eddy field can increase the subduction rate by 42 Sv

and obduction by 31 Sv. Lateral induction is the dominant contributor to enhancement of subduction/obduction

and temporal change of mixed layer depth has a secondary role. Further analysis indicates that the high-frequency components of the eddy field

especially those with timescale shorter than 10 days

are the most critical factor enhancing subduction/obduction.

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Keywords

references

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