The Variable and Changing Southern Ocean Silicate Front: Insights From the CESM Large Ensemble

Freeman, Natalie M.; Lovenduski, Nicole S.; Munro, David R.; Krumhardt, Kristen M.; Lindsay, Keith; Long, Matthew C.; Maclennan, Michelle

doi:10.1029/2017gb005816

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The Variable and Changing Southern Ocean Silicate Front: Insights From the CESM Large Ensemble

2018
By Freeman, Natalie M. ; Lovenduski, Nicole S. ; Munro, David R. ; ...
Source: Global Biogeochemical Cycles, 32(5), 752-768

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Journal Title:

Global Biogeochemical Cycles
Personal Author:

Freeman, Natalie M. ; Lovenduski, Nicole S. ; Munro, David R. ; Krumhardt, Kristen M. ; Lindsay, Keith ; ... More +

Freeman, Natalie M. ; Lovenduski, Nicole S. ; Munro, David R. ; Krumhardt, Kristen M. ; Lindsay, Keith ; Long, Matthew C. ; Maclennan, Michelle Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
Description:

ThelocationoftheSouthernOceanSilicateFront(SF)isakeyindicatorofphysicalcirculation, biological productivity, and biogeography, but its variability in space and time is currently not well understoodduetoalackoftime-varyingnutrientobservations.ThisstudyprovidesaﬁrstestimateofthespatiotemporalvariabilityoftheSF,deﬁnedusing thesilicate-to-nitrate(Si:N)ratioassimulatedby theCommunityEarthSystemModel(CESM)LargeEnsemble(1920–2100),anditsresponsetoachanging SouthernOcean.ThelatitudewhereSi:N =1largelycoincideswithregionsofhighgradientsinsilicateand theobservedpositionoftheAntarcticPolarFront(PF)andservesasanindicatorofwaterswithadequate
Keywords:

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Atmospheric Science Environmental Chemistry General Environmental Science Global And Planetary Change
Source:

Global Biogeochemical Cycles, 32(5), 752-768
DOI:

https://doi.org/10.1029/2017gb005816
ISSN:

0886-6236;1944-9224;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Funding:

Grant no. NA12OAR4310058
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urn:sha256:7b95c545d2a00c6748d253b2c375b13c1f32fbcb038295485a7f8b82e6c06aca
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https://repository.library.noaa.gov/view/noaa/53174/noaa_53174_DS1.pdf
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