Nutrients, oxygen, and inferred new production in the Northeast Water Polynya, 1992

D. W.R. Wallace; P. J. Minnett; T. S. Hopkins

doi:10.1029/94JC02203

Nutrients, oxygen, and inferred new production in the Northeast Water Polynya, 1992

D. W.R. Wallace, P. J. Minnett, T. S. Hopkins

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

36 Scopus citations

Abstract

Measurements made during a hydrographic survey during July-August 1992 were interpreted in the context of satellite imagery of the region. Satellite imagery revealed a convoluted plume of cold water flowing along isobaths from underneath fast ice in the southwestern portion of the polynya toward the northeast. This plume carried relatively high nutrient and low oxygen inventories. Nitrate to phosphate ratios were low in the polar water, consistent with an ultimate source of this water mass in the Pacific sector of the Arctic Ocean. It is hypothesized that the low N:P Arctic outflow might be the cause of nitrate limitation along the east coast of America as far as Cape Hatteras. -from Authors

Original language	English (US)
Pages (from-to)	4323-4340
Number of pages	18
Journal	Journal of Geophysical Research
Volume	100
Issue number	C3
DOIs	https://doi.org/10.1029/94JC02203
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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AU - Minnett, P. J.

AU - Hopkins, T. S.

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AB - Measurements made during a hydrographic survey during July-August 1992 were interpreted in the context of satellite imagery of the region. Satellite imagery revealed a convoluted plume of cold water flowing along isobaths from underneath fast ice in the southwestern portion of the polynya toward the northeast. This plume carried relatively high nutrient and low oxygen inventories. Nitrate to phosphate ratios were low in the polar water, consistent with an ultimate source of this water mass in the Pacific sector of the Arctic Ocean. It is hypothesized that the low N:P Arctic outflow might be the cause of nitrate limitation along the east coast of America as far as Cape Hatteras. -from Authors

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