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 journalArticle

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 languageEnglish (US)
Pages (from-to)4323-4340
Number of pages18
JournalJournal of Geophysical Research
Volume100
Issue numberC3
DOIs
StatePublished - Jan 1 1995
Externally publishedYes

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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