Avoidable impacts of ocean warming on marine primary production: Insights from the CESM ensembles

Krumhardt, Kristen M.; Lovenduski, Nicole S.; Long, Matthew C.; Lindsay, Keith

doi:10.1002/2016gb005528

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Avoidable impacts of ocean warming on marine primary production: Insights from the CESM ensembles

2017
By Krumhardt, Kristen M. ; Lovenduski, Nicole S. ; Long, Matthew C. ; ...
Source: Global Biogeochemical Cycles, 31(1), 114-133

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Journal Title:

Global Biogeochemical Cycles
Personal Author:

Krumhardt, Kristen M. ; Lovenduski, Nicole S. ; Long, Matthew C. ; Lindsay, Keith

Krumhardt, Kristen M. ; Lovenduski, Nicole S. ; Long, Matthew C. ; Lindsay, Keith 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:

AsanthropogenicemissionsandwarmingcontinuetoalterEarth’senvironment,itisessential to highlight future impacts that can be avoided through mitigation. Here we use two ensembles of theCommunityEarthSystemModel(CESM)rununderthebusiness-as-usualscenario,RCP8.5,andthemitigation scenario, RCP 4.5, to identify avoidable impacts of anthropogenic warming on marine net primary production (NPP). We emphasize the use of ensembles so as to distinguish long-term, anthropogenictrendsinmarineproductivityfrominternalvariability.TwentiethcenturygloballyintegratedmarineNPPis 55.7±1PgC,withmuchofthevariabilityattributabletocertainregions(e.g.,theequatorial Paciﬁc).CESMprojectionsindicatethatglobalmarineNPPwilldropby ∼4%by2080ifwefollowRCP8.5,
Keywords:

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

Global Biogeochemical Cycles, 31(1), 114-133
DOI:

https://doi.org/10.1002/2016gb005528
ISSN:

0886-6236;1944-9224;
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PDF
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American Geophysical Union (AGU)
Document Type:

Journal Article
Funding:

Grant no. NA12OAR4310058
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urn:sha256:a769deabb31271ce9be00a76a0d3f3d1993fd5eeb05be8468f33c7b2e524c799
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https://repository.library.noaa.gov/view/noaa/53711/noaa_53711_DS1.pdf
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