The Northeast Water Polynya as an atmospheric CO2 sink: a seasonal rectification hypothesis

P. L. Yager; D. W.R. Wallace; K. M. Johnson; W. O. Smith; P. J. Minnett; J. W. Deming

doi:10.1029/94JC01962

The Northeast Water Polynya as an atmospheric CO₂ sink: a seasonal rectification hypothesis

P. L. Yager, D. W.R. Wallace, K. M. Johnson, W. O. Smith, P. J. Minnett, J. W. Deming

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

100 Scopus citations

Abstract

During the multidisciplinary "NEW92' cruise of the Polar Sea to the recurrent Northeast Water (NEW) Polynya (77-81°N, 6-17°W; July-August 1992), total dissolved inorganic carbon and total alkalinity in the water column were measured. Biological processes depleted the total inorganic carbon of summer surface waters by up to 2 mol C m^-2 or about 3%. On a regional basis this depletion correlated with depth-integrated values of chlorophyll a,particulate organic carbon, and the inorganic nitrogen deficit. These measurements and observations allowed formulation of a new hypothesis whereby sesonally ice-covered regions like the N EW Polynya promote a unique biologically and physically mediated "rectification' of the typical (ice free, low latitude) seasonal cycle of air-sea CO₂ flux. -Authors

Original language	English (US)
Pages (from-to)	4389-4398
Number of pages	10
Journal	Journal of Geophysical Research
Volume	100
Issue number	C3
DOIs	https://doi.org/10.1029/94JC01962
State	Published - Jan 1 1995
Externally published	Yes

ASJC Scopus subject areas

Geophysics
Forestry
Oceanography
Aquatic Science
Ecology
Water Science and Technology
Soil Science
Geochemistry and Petrology
Earth-Surface Processes
Atmospheric Science
Earth and Planetary Sciences (miscellaneous)
Space and Planetary Science
Palaeontology

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10.1029/94JC01962

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title = "The Northeast Water Polynya as an atmospheric CO2 sink: a seasonal rectification hypothesis",

abstract = "During the multidisciplinary {"}NEW92' cruise of the Polar Sea to the recurrent Northeast Water (NEW) Polynya (77-81°N, 6-17°W; July-August 1992), total dissolved inorganic carbon and total alkalinity in the water column were measured. Biological processes depleted the total inorganic carbon of summer surface waters by up to 2 mol C m-2 or about 3%. On a regional basis this depletion correlated with depth-integrated values of chlorophyll a,particulate organic carbon, and the inorganic nitrogen deficit. These measurements and observations allowed formulation of a new hypothesis whereby sesonally ice-covered regions like the N EW Polynya promote a unique biologically and physically mediated {"}rectification' of the typical (ice free, low latitude) seasonal cycle of air-sea CO2 flux. -Authors",

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AU - Yager, P. L.

AU - Wallace, D. W.R.

AU - Johnson, K. M.

AU - Smith, W. O.

AU - Minnett, P. J.

AU - Deming, J. W.

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