Physical controls on the benthic biomass in Barrow Canyon, Chukchi Sea

Pickart, Robert S.; Spall, Michael A.; Lin, Peigen; Bahr, Frank; McRaven, Leah T.; Arrigo, Kevin R.; Grebmeier, Jacqueline M.

doi:10.1029/2020JC017091

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Physical controls on the benthic biomass in Barrow Canyon, Chukchi Sea

2021
By Pickart, Robert S. ; Spall, Michael A. ; Lin, Peigen ; ...
Source: Journal of Geophysical Research: Oceans, 126(5)

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Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Pickart, Robert S. ; Spall, Michael A. ; Lin, Peigen ; Bahr, Frank ; McRaven, Leah T. ; ... More +

Pickart, Robert S. ; Spall, Michael A. ; Lin, Peigen ; Bahr, Frank ; McRaven, Leah T. ; Arrigo, Kevin R. ; Grebmeier, Jacqueline M. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CINAR (Cooperative Institute for the North Atlantic Region)

OAR (Oceanic and Atmospheric Research) ; CINAR (Cooperative Institute for the North Atlantic Region) Less -
Description:

A region of exceptionally high macrofaunal benthic biomass exists in Barrow Canyon, implying a carbon export process that is locally concentrated. Here we offer an explanation for this benthic “hotspot” using shipboard data together with a set of dynamical equations. Repeat occupations of the Distributed Biological Observatory transect in Barrow Canyon reveal that when the northward flow is strong and the density front in the canyon is sharp, plumes of fluorescence and oxygen extend from the pycnocline to the seafloor in the vicinity of the hotspot.
Keywords:

[+]

Benthos Biomass Submarine Valleys
Source:

Journal of Geophysical Research: Oceans, 126(5)
DOI:

https://doi.org/10.1029/2020JC017091
Document Type:

Journal Article
Funding:

Grant no. NA14OAR4320158 ; Grant no. NA19OAR4320074

Grant no. NA14OAR4320158 ; Grant no. NA19OAR4320074 Less -
Place as Subject:

Barrow Canyon ; Chukchi Sea ; Arctic Coast (Alaska)

Barrow Canyon ; Chukchi Sea ; Arctic Coast (Alaska) Less -
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urn:sha256:b12b91ed6b21ec4ef725d2963de3c299e4aa513f1161f9f0ee0a85e34aa5c3fe
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https://repository.library.noaa.gov/view/noaa/33489/noaa_33489_DS1.pdf
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Physical controls on the benthic biomass in Barrow Canyon, Chukchi Sea

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