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  • Small, coastal temperate rainforest watersheds dominate organic carbon transport to the northeast Pacific Ocean
  • Butman, David; Associate Professor; University of Washington
    McNicol, Gavin; University of Illinois at Chicago
    Hood, Eran; Professor
    Tank, Suzanne; Associate Professor
    Giesbrecht, Ian; Hakai Inistitute
    Floyd, William; Ministry of Forests, BC Canada
    D'Amore, David; U.S. Forest Service
    Fellman, Jason; Alaska Coastal Rainforest Center
    Cebulski, Alex; University of Saskatchewan
    Lally, Amritpal; Vancouver Island University
    McSorley, Hannah; University of Vancouver Island
    Gonzalez Arriola , Santiago; Hakai Inistitute
  • 2023-06-05
  • Butman, D., G. McNicol, E. Hood, S. Tank, I. Giesbrecht, W. Floyd, D. D'Amore, J. Fellman, A. Cebulski, A. Lally, H. McSorley, and S. Gonzalez Arriola. 2023. Small, coastal temperate rainforest watersheds dominate organic carbon transport to the northeast Pacific Ocean ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).

  • The northeast Pacific Coastal Temperate Rainforest (NPCTR) extending from southeast Alaska to northern California is characterized by high precipitation and among the largest stores of recently fixed biological carbon on Earth. We show that 3.4 Tg-C yr-1 as DOC is exported from the NPCTR drainage basin to the coastal ocean. More than 56% of this riverine DOC flux originates from thousands of small (10-10,000 km2), coastal watersheds that comprise 22% of the NPCTR drainage basin. The average DOC yield from NPCTR coastal watersheds (6.20 g-C m-2 yr-1) exceeds that from Earth’s tropical regions by roughly a factor of three. The highest yields occur in small, coastal watersheds in the central NPCTR due to the balance of moderate temperature, high precipitation, and high soil organic carbon stocks. These findings indicate that DOC export from NPCTR watersheds may play an important role in heterotrophy within near-shore marine ecosystems in the northeast Pacific.

  • N: 62.0      S: 37.0      E: -116.5      W: -145.0
  • edi.1436.1  (Uploaded 2023-06-05)  
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  • DOI PLACE HOLDER
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