A quasi-synoptic interpretation of water mass distribution and circulation in the western North Pacific: I. Water mass distribution

Lingling Xie; Jiwei Tian; Dunxin Hu; Fan Wang

doi:10.1007/s00343-009-9161-8

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A quasi-synoptic interpretation of water mass distribution and circulation in the western North Pacific: I. Water mass distribution

Updated：2023-05-16

- A quasi-synoptic interpretation of water mass distribution and circulation in the western North Pacific: I. Water mass distribution
- Journal of Oceanology and Limnology Vol. 27, Issue 3, Pages: 630-639(2009)
- Affiliations：
  
  1. Physical Oceanography Laboratory Ocean University of China
  2. Institute of Oceanology Chinese Academy Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-009-9161-8
  CLC：
- Online First：07 November 2009，
  
  Published：2009
- Accepted：
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Xie, L., Tian, J., Hu, D. et al. A quasi-synoptic interpretation of water mass distribution and circulation in the western North Pacific: I. Water mass distribution., Chin. J. Ocean. Limnol. 27, 630–639 (2009). https://doi.org/10.1007/s00343-009-9161-8
DOI：

Xie, L., Tian, J., Hu, D. et al. A quasi-synoptic interpretation of water mass distribution and circulation in the western North Pacific: I. Water mass distribution., Chin. J. Ocean. Limnol. 27, 630–639 (2009). https://doi.org/10.1007/s00343-009-9161-8 DOI：

摘要

Abstract

With high-resolution conductivity-temperature-depth (CTD) observations conducted in Oct.–Nov. 2005

this study provides a detailed quasi-synoptic description of the North Pacific Tropic Water (NPTW)

North Pacific Intermediate Water (NPIW) and Antarctic Intermediate Water (AAIW) in the western North Pacific. Some novel features are found. NPTW enters the western ocean with highest-salinity core off shore at 15°–18°N

and then splits to flow northward and southward along the western boundary. Its salinity decreases and density increases outside the core region. NPIW spreads westward north of 15°N with lowest salinity off shore at 21°N

but mainly hugs the Mindanao coast south of 12°N. It shoals and thins toward the south

with salinity increasing and density decreasing. AAIW extends to higher latitude off shore than that in shore

and it is traced as a salinity minimum to only 10°N at 130°E. Most of the South Pacific waters turn northeastward rather than directly flow northward upon reaching to the Mindanao coast

indicating the eastward shift of the Mindanao Undercurrent (MUC).

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references

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