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

OriginalPaper | Updated：2023-05-16

- Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model
- Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model
- 海洋湖沼学报（英文） 2016年34卷第4期页码：835-846
- 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：
  
  Supported by the National Basic Research Program of China (973 Program) (No. 2012CB417401), the National Natural Science Foundation of China (No. 41276001), and the Strategic Priority Research Project (No. XDA11010201).
- DOI：10.1007/s00343-016-5036-y
  中图分类号：
- 网络首发：2016-01-07，
  
  纸质出版：2016
- Accepted：
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Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model[J]. 海洋湖沼学报（英文）, 2016,34(4):835-846.

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
Subduction/obduction rate in the North Pacific diagnosed by an eddy-resolving model[J]. 海洋湖沼学报（英文）, 2016,34(4):835-846. DOI： 10.1007/s00343-016-5036-y.

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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