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Evaluating Oceanic Uptake of Atmospheric CCl4: A Combined Analysis of Model Simulations and Observations

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Evaluating Oceanic Uptake of Atmospheric CCl4 : A Combined Analysis of Model Simulations and Observations. / Suntharalingam, Parvadha; Buitenhuis , E; Carpenter, Lucy Jane; Andrews, Stephen Joseph; Hackenberg, Sina; BUTLER, J; Messias , MJ.

In: Geophysical Research Letters, Vol. 46, No. 1, 16.01.2019, p. 472-482.

Research output: Contribution to journalArticle

Harvard

Suntharalingam, P, Buitenhuis , E, Carpenter, LJ, Andrews, SJ, Hackenberg, S, BUTLER, J & Messias , MJ 2019, 'Evaluating Oceanic Uptake of Atmospheric CCl4: A Combined Analysis of Model Simulations and Observations', Geophysical Research Letters, vol. 46, no. 1, pp. 472-482. https://doi.org/10.1029/2018GL080612

APA

Suntharalingam, P., Buitenhuis , E., Carpenter, L. J., Andrews, S. J., Hackenberg, S., BUTLER, J., & Messias , MJ. (2019). Evaluating Oceanic Uptake of Atmospheric CCl4: A Combined Analysis of Model Simulations and Observations. Geophysical Research Letters, 46(1), 472-482. https://doi.org/10.1029/2018GL080612

Vancouver

Suntharalingam P, Buitenhuis E, Carpenter LJ, Andrews SJ, Hackenberg S, BUTLER J et al. Evaluating Oceanic Uptake of Atmospheric CCl4: A Combined Analysis of Model Simulations and Observations. Geophysical Research Letters. 2019 Jan 16;46(1):472-482. https://doi.org/10.1029/2018GL080612

Author

Suntharalingam, Parvadha ; Buitenhuis , E ; Carpenter, Lucy Jane ; Andrews, Stephen Joseph ; Hackenberg, Sina ; BUTLER, J ; Messias , MJ. / Evaluating Oceanic Uptake of Atmospheric CCl4 : A Combined Analysis of Model Simulations and Observations. In: Geophysical Research Letters. 2019 ; Vol. 46, No. 1. pp. 472-482.

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@article{dfa7a1cd685042d393be6fb11704101b,
title = "Evaluating Oceanic Uptake of Atmospheric CCl4: A Combined Analysis of Model Simulations and Observations",
abstract = "We provide new estimates of the air‐sea flux of CCl4 using simulations from a global ocean biogeochemistry model (NEMO‐PlankTOM) in combination with depth‐resolved CCl4 observations from global oceanic databases. Estimates of global oceanic CCl4 uptake are derived from a range of model analyses, including prescribed parameterizations using reported values on hydrolysis and degradation, and analyses optimized using the global observational databases. We evaluate the sensitivity of our results to uncertainties in air‐sea gas exchange parameterization, estimation period, and circulation processes. Our best constrained estimate of ocean CCl4 uptake for the period 1996–2000 is 20.1 Gg/year (range 16.6–22.7), corresponding to estimates of the partial atmospheric lifetime with respect to ocean uptake of 124 (110–150) years. This new oceanic lifetime implies higher emissions of CCl4 than currently estimated and therefore a larger missing atmospheric source of CCl4.",
keywords = "air-sea fluxes, carbon tetrachloride, halocarbon, ozone-depleting substance",
author = "Parvadha Suntharalingam and E Buitenhuis and Carpenter, {Lucy Jane} and Andrews, {Stephen Joseph} and Sina Hackenberg and J BUTLER and MJ Messias",
year = "2019",
month = "1",
day = "16",
doi = "10.1029/2018GL080612",
language = "English",
volume = "46",
pages = "472--482",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "1",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Evaluating Oceanic Uptake of Atmospheric CCl4

T2 - Geophysical Research Letters

AU - Suntharalingam, Parvadha

AU - Buitenhuis , E

AU - Carpenter, Lucy Jane

AU - Andrews, Stephen Joseph

AU - Hackenberg, Sina

AU - BUTLER, J

AU - Messias , MJ

PY - 2019/1/16

Y1 - 2019/1/16

N2 - We provide new estimates of the air‐sea flux of CCl4 using simulations from a global ocean biogeochemistry model (NEMO‐PlankTOM) in combination with depth‐resolved CCl4 observations from global oceanic databases. Estimates of global oceanic CCl4 uptake are derived from a range of model analyses, including prescribed parameterizations using reported values on hydrolysis and degradation, and analyses optimized using the global observational databases. We evaluate the sensitivity of our results to uncertainties in air‐sea gas exchange parameterization, estimation period, and circulation processes. Our best constrained estimate of ocean CCl4 uptake for the period 1996–2000 is 20.1 Gg/year (range 16.6–22.7), corresponding to estimates of the partial atmospheric lifetime with respect to ocean uptake of 124 (110–150) years. This new oceanic lifetime implies higher emissions of CCl4 than currently estimated and therefore a larger missing atmospheric source of CCl4.

AB - We provide new estimates of the air‐sea flux of CCl4 using simulations from a global ocean biogeochemistry model (NEMO‐PlankTOM) in combination with depth‐resolved CCl4 observations from global oceanic databases. Estimates of global oceanic CCl4 uptake are derived from a range of model analyses, including prescribed parameterizations using reported values on hydrolysis and degradation, and analyses optimized using the global observational databases. We evaluate the sensitivity of our results to uncertainties in air‐sea gas exchange parameterization, estimation period, and circulation processes. Our best constrained estimate of ocean CCl4 uptake for the period 1996–2000 is 20.1 Gg/year (range 16.6–22.7), corresponding to estimates of the partial atmospheric lifetime with respect to ocean uptake of 124 (110–150) years. This new oceanic lifetime implies higher emissions of CCl4 than currently estimated and therefore a larger missing atmospheric source of CCl4.

KW - air-sea fluxes

KW - carbon tetrachloride

KW - halocarbon

KW - ozone-depleting substance

UR - http://www.scopus.com/inward/record.url?scp=85059902016&partnerID=8YFLogxK

U2 - 10.1029/2018GL080612

DO - 10.1029/2018GL080612

M3 - Article

VL - 46

SP - 472

EP - 482

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 1

ER -