Copper in Sub-Arctic Waters of the Pacific Northwest

  • David T. Heggie
Chapter
Part of the NATO Conference Series book series (NATOCS, volume 9)

Abstract

Copper concentration data from the north-central continental shelf-slope of the Bering Sea and nearshore regions of the western Gulf of Alaska are summarized. Copper concentrations which increase toward the sediments were found in a frontally confined continental shelf water mass of the Bering Sea, and also in deep waters of restricted circulation of a fjord on the north-western Gulf of Alaska coastline. These data are indicative of a benthic flux of copper to overlying waters. Mass balance estimates suggest that the benthic remineralization and flux to the overlying waters in the shallow shelf of the Bering Sea contributes significantly to the copper input to the deep Bering basin. However, in the fjord basin of the Gulf of Alaska, remineralized copper from inshore surface sediments was estimated at less than 20% of copper added to surface waters. Also, most copper input could be accounted for trapped in accumulating fjord sediments.

Keywords

Continental Shelf Copper Concentration Benthic Flux Nearshore Region PACIFIC Northwest 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 1983

Authors and Affiliations

  • David T. Heggie
    • 1
  1. 1.Graduate School of OceanographyUniversity of Rhode IslandNarragansettUSA

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