Significant Biologically Mediated CO 2 Uptake in the Pacific Arctic During the Late Open Water Season

Juranek, L.; Takahashi, T.; Mathis, J.; Pickart, R.

doi:10.1029/2018jc014568

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Significant Biologically Mediated CO 2 Uptake in the Pacific Arctic During the Late Open Water Season

2019
By Juranek, L. ; Takahashi, T. ; Mathis, J. ; ...
Source: Journal of Geophysical Research: Oceans, 124(2), 821-843

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Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Juranek, L. ; Takahashi, T. ; Mathis, J. ; Pickart, R.

Juranek, L. ; Takahashi, T. ; Mathis, J. ; Pickart, R. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GOMO (Global Ocean Monitoring and Observing)

OAR (Oceanic and Atmospheric Research) ; GOMO (Global Ocean Monitoring and Observing) Less -
Description:

Shifting baselines in the Arctic atmosphere ‐sea ice ‐ocean system have signi ﬁcant potential to alter biogeochemical cycling and ecosystem dynamics. In particular, the impact of increased open waterduration on lower trophic level productivity and biological CO 2sequestration is poorly understood. Using high‐resolution observations of surface seawater dissolved O 2/Ar and pCO2collected in the Paci ﬁc Arctic in October 2011 and 2012, we evaluate spatial variability in biological metabolic status (autotrophy vsheterotrophy) as constrained by O 2/Ar saturation ( ΔO2/Ar) as well as the relationship between net biological production and the sea ‐air gradient of pCO2(ΔpCO 2). We ﬁnd a robust relationship between
Keywords:

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Earth And Planetary Sciences (miscellaneous) Geochemistry And Petrology Geophysics Oceanography Space And Planetary Science
Source:

Journal of Geophysical Research: Oceans, 124(2), 821-843
DOI:

https://doi.org/10.1029/2018jc014568
ISSN:

2169-9275;2169-9291;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:73308835a78be4770d03174099ce23def1c26b608b7f554bf8f70c65ce9a5239
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https://repository.library.noaa.gov/view/noaa/53593/noaa_53593_DS1.pdf
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