Springtime Export of Arctic Sea Ice Influences Phytoplankton Production in the Greenland Sea

Mayot, N.; Matrai, P. A.; Arjona, A.; Bélanger, S.; Marchese, C.; Jaegler, T.; Ardyna, M.; Steele, M.

doi:10.1029/2019jc015799

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i

Springtime Export of Arctic Sea Ice Influences Phytoplankton Production in the Greenland Sea

2020
By Mayot, N. ; Matrai, P. A. ; Arjona, A. ; ...
Source: Journal of Geophysical Research: Oceans, 125(3)

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Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Mayot, N. ; Matrai, P. A. ; Arjona, A. ; Bélanger, S. ; Marchese, C. ; ... More +

Mayot, N. ; Matrai, P. A. ; Arjona, A. ; Bélanger, S. ; Marchese, C. ; Jaegler, T. ; Ardyna, M. ; Steele, M. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research)
Description:

Climate model projections suggest a substantial decrease of sea ice export into the outflow areas of the Arctic Ocean over the 21st century. Fram Strait, located in the Greenland Sea sector, is the principal gateway for ice export from the Arctic Ocean. The consequences of lower sea ice flux through Fram Strait on ocean dynamics and primary production in the Greenland Sea remain unknown. By using the most recent 16 years (2003–2018) of satellite imagery available and hydrographic in situ observations, the role of exported Arctic sea ice on water column stratification and phytoplankton production in the Greenland Sea is evaluated. Years with high Arctic sea ice flux through Fram Strait resulted in high sea ice concentration in the Greenland Sea, stronger water column stratification, and an earlier spring phytoplankton bloom associated with high primary production levels. Similarly, years with low Fram Strait ice flux were associated with a weak water column stratification and a delayed phytoplankton spring bloom. This work emphasizes that sea ice and phytoplankton production in subarctic “outflow seas” can be strongly influenced by changes occurring in the Arctic Ocean.
Keywords:

[+]

Earth And Planetary Sciences (miscellaneous) Geochemistry And Petrology Geophysics Oceanography Space And Planetary Science
Source:

Journal of Geophysical Research: Oceans, 125(3)
DOI:

https://doi.org/10.1029/2019jc015799
ISSN:

2169-9275;2169-9291;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Funding:

Grant no. NA15OAR4320063
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Other
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Library
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urn:sha256:be253c7b2f4bf9ad1be1d8a3efe9c4f9a2be7bc4dc862d7f1dba75e35a0873e3
Download URL:

https://repository.library.noaa.gov/view/noaa/59755/noaa_59755_DS1.pdf
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Machine readable version (XML)

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