Dissolved organic carbon export with North Pacific Intermediate Water formation

Dennis A. Hansell; Craig A. Carlson; Yoshimi Suzuki

Dissolved organic carbon export with North Pacific Intermediate Water formation

Dennis A. Hansell, Craig A. Carlson, Yoshimi Suzuki

Ocean Sciences

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Abstract

An evaluation of DOC export with the formation of North Pacific Intermediate Water is presented. Data from sites representing the relevant North Pacific water masses (subtropical, subpolar, and subtropical transitional) are used to demonstrate the process. We suggest that dissolved organic carbon (DOC)-replete Oyashio (subpolar) water mixes with DOC-depleted Kuroshio (subtropical) water in the mixed water region east of Japan. The new intermediate water, formed at a rate of 2-5 Sv, exports DOC at 13 ± 6 Tg DOC yr^-1. On the basis of these findings we present an alternative model to explain the ¹⁴C-DOC age gradient recently reported for intermediate depths of the North Pacific.

Original language	English (US)
Pages (from-to)	7-1-7-8
Journal	Global Biogeochemical Cycles
Volume	16
Issue number	1
State	Published - Mar 2002

Keywords

Carbon
Carbon export
DOC
Dissolved organic carbon
North Pacific Intermediate Water

ASJC Scopus subject areas

Global and Planetary Change
Environmental Chemistry
Environmental Science(all)
Atmospheric Science

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Cite this

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title = "Dissolved organic carbon export with North Pacific Intermediate Water formation",

abstract = "An evaluation of DOC export with the formation of North Pacific Intermediate Water is presented. Data from sites representing the relevant North Pacific water masses (subtropical, subpolar, and subtropical transitional) are used to demonstrate the process. We suggest that dissolved organic carbon (DOC)-replete Oyashio (subpolar) water mixes with DOC-depleted Kuroshio (subtropical) water in the mixed water region east of Japan. The new intermediate water, formed at a rate of 2-5 Sv, exports DOC at 13 ± 6 Tg DOC yr-1. On the basis of these findings we present an alternative model to explain the 14C-DOC age gradient recently reported for intermediate depths of the North Pacific.",

keywords = "Carbon, Carbon export, DOC, Dissolved organic carbon, North Pacific Intermediate Water",

author = "Hansell, {Dennis A.} and Carlson, {Craig A.} and Yoshimi Suzuki",

year = "2002",

month = mar,

language = "English (US)",

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journal = "Global Biogeochemical Cycles",

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T1 - Dissolved organic carbon export with North Pacific Intermediate Water formation

AU - Hansell, Dennis A.

AU - Carlson, Craig A.

AU - Suzuki, Yoshimi

PY - 2002/3

Y1 - 2002/3

N2 - An evaluation of DOC export with the formation of North Pacific Intermediate Water is presented. Data from sites representing the relevant North Pacific water masses (subtropical, subpolar, and subtropical transitional) are used to demonstrate the process. We suggest that dissolved organic carbon (DOC)-replete Oyashio (subpolar) water mixes with DOC-depleted Kuroshio (subtropical) water in the mixed water region east of Japan. The new intermediate water, formed at a rate of 2-5 Sv, exports DOC at 13 ± 6 Tg DOC yr-1. On the basis of these findings we present an alternative model to explain the 14C-DOC age gradient recently reported for intermediate depths of the North Pacific.

AB - An evaluation of DOC export with the formation of North Pacific Intermediate Water is presented. Data from sites representing the relevant North Pacific water masses (subtropical, subpolar, and subtropical transitional) are used to demonstrate the process. We suggest that dissolved organic carbon (DOC)-replete Oyashio (subpolar) water mixes with DOC-depleted Kuroshio (subtropical) water in the mixed water region east of Japan. The new intermediate water, formed at a rate of 2-5 Sv, exports DOC at 13 ± 6 Tg DOC yr-1. On the basis of these findings we present an alternative model to explain the 14C-DOC age gradient recently reported for intermediate depths of the North Pacific.

KW - Carbon

KW - Carbon export

KW - DOC

KW - Dissolved organic carbon

KW - North Pacific Intermediate Water

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