Changes in Ocean Heat, Carbon Content, and Ventilation: A Review of the First Decade of GO-SHIP Global Repeat Hydrography

L. D. Talley, R. A. Feely, B. M. Sloyan, R. Wanninkhof, M. O. Baringer, J. L. Bullister, C. A. Carlson, S. C. Doney, Rana A Fine, E. Firing, N. Gruber, Dennis A Hansell, M. Ishii, G. C. Johnson, K. Katsumata, R. M. Key, M. Kramp, Chris Langdon, A. M. MacDonald, J. T. MathisE. L. McDonagh, S. Mecking, Frank J Millero, C. W. Mordy, T. Nakano, C. L. Sabine, W. M. Smethie, J. H. Swift, T. Tanhua, A. M. Thurnherr, M. J. Warner, J. Z. Zhang

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

Global ship-based programs, with highly accurate, full water column physical and biogeochemical observations repeated decadally since the 1970s, provide a crucial resource for documenting ocean change. The ocean, a central component of Earth's climate system, is taking up most of Earth's excess anthropogenic heat, with about 19% of this excess in the abyssal ocean beneath 2,000 m, dominated by Southern Ocean warming. The ocean also has taken up about 27% of anthropogenic carbon, resulting in acidification of the upper ocean. Increased stratification has resulted in a decline in oxygen and increase in nutrients in the Northern Hemisphere thermocline and an expansion of tropical oxygen minimum zones. Southern Hemisphere thermocline oxygen increased in the 2000s owing to stronger wind forcingand ventilation. The most recent decade of global hydrography has mapped dissolved organic carbon, a large, bioactive reservoir, for the first time and quantified its contribution to export production (∼20%) and deep-ocean oxygen utilization. Ship-based measurements also show that vertical diffusivity increases from a minimum in the thermocline to a maximum within the bottom 1,500 m, shifting our physical paradigm of the ocean's overturning circulation.

Original languageEnglish (US)
Pages (from-to)185-215
Number of pages31
JournalAnnual Review of Marine Science
Volume8
DOIs
StatePublished - Jan 3 2016

Fingerprint

hydrography
ventilation
carbon
ocean
thermocline
oxygen
upper ocean
diffusivity
dissolved organic carbon
acidification
Southern Hemisphere
Northern Hemisphere
stratification
warming
water column
nutrient
climate
resource

Keywords

  • Anthropogenic climate change
  • Ocean carbon cycle
  • Ocean chlorofluorocarbons
  • Ocean circulation change
  • Ocean mixing
  • Ocean oxygen and nutrients
  • Ocean temperature change
  • Salinity change

ASJC Scopus subject areas

  • Oceanography

Cite this

Talley, L. D., Feely, R. A., Sloyan, B. M., Wanninkhof, R., Baringer, M. O., Bullister, J. L., ... Zhang, J. Z. (2016). Changes in Ocean Heat, Carbon Content, and Ventilation: A Review of the First Decade of GO-SHIP Global Repeat Hydrography. Annual Review of Marine Science, 8, 185-215. https://doi.org/10.1146/annurev-marine-052915-100829

Changes in Ocean Heat, Carbon Content, and Ventilation : A Review of the First Decade of GO-SHIP Global Repeat Hydrography. / Talley, L. D.; Feely, R. A.; Sloyan, B. M.; Wanninkhof, R.; Baringer, M. O.; Bullister, J. L.; Carlson, C. A.; Doney, S. C.; Fine, Rana A; Firing, E.; Gruber, N.; Hansell, Dennis A; Ishii, M.; Johnson, G. C.; Katsumata, K.; Key, R. M.; Kramp, M.; Langdon, Chris; MacDonald, A. M.; Mathis, J. T.; McDonagh, E. L.; Mecking, S.; Millero, Frank J; Mordy, C. W.; Nakano, T.; Sabine, C. L.; Smethie, W. M.; Swift, J. H.; Tanhua, T.; Thurnherr, A. M.; Warner, M. J.; Zhang, J. Z.

In: Annual Review of Marine Science, Vol. 8, 03.01.2016, p. 185-215.

Research output: Contribution to journalArticle

Talley, LD, Feely, RA, Sloyan, BM, Wanninkhof, R, Baringer, MO, Bullister, JL, Carlson, CA, Doney, SC, Fine, RA, Firing, E, Gruber, N, Hansell, DA, Ishii, M, Johnson, GC, Katsumata, K, Key, RM, Kramp, M, Langdon, C, MacDonald, AM, Mathis, JT, McDonagh, EL, Mecking, S, Millero, FJ, Mordy, CW, Nakano, T, Sabine, CL, Smethie, WM, Swift, JH, Tanhua, T, Thurnherr, AM, Warner, MJ & Zhang, JZ 2016, 'Changes in Ocean Heat, Carbon Content, and Ventilation: A Review of the First Decade of GO-SHIP Global Repeat Hydrography', Annual Review of Marine Science, vol. 8, pp. 185-215. https://doi.org/10.1146/annurev-marine-052915-100829
Talley, L. D. ; Feely, R. A. ; Sloyan, B. M. ; Wanninkhof, R. ; Baringer, M. O. ; Bullister, J. L. ; Carlson, C. A. ; Doney, S. C. ; Fine, Rana A ; Firing, E. ; Gruber, N. ; Hansell, Dennis A ; Ishii, M. ; Johnson, G. C. ; Katsumata, K. ; Key, R. M. ; Kramp, M. ; Langdon, Chris ; MacDonald, A. M. ; Mathis, J. T. ; McDonagh, E. L. ; Mecking, S. ; Millero, Frank J ; Mordy, C. W. ; Nakano, T. ; Sabine, C. L. ; Smethie, W. M. ; Swift, J. H. ; Tanhua, T. ; Thurnherr, A. M. ; Warner, M. J. ; Zhang, J. Z. / Changes in Ocean Heat, Carbon Content, and Ventilation : A Review of the First Decade of GO-SHIP Global Repeat Hydrography. In: Annual Review of Marine Science. 2016 ; Vol. 8. pp. 185-215.
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