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|a Response of salt-marsh carbon accumulation to climate change |h [electronic resource]. |
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|a [S.l.] : |b Macmillan Publishers Limited, |c 2012-09-27. |
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|a Nature Magazine Volume 489. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a About half of annual marine carbon burial takes place in shallow
water ecosystems where geomorphic and ecological stability is
driven by interactions between the flow of water, vegetation growth
and sediment transport1. Although the sensitivity of terrestrial and
deep marine carbon pools to climate change has been studied for
decades, there is little understanding of how coastal carbon accumulation
rates will change and potentially feed back on climate2,3.
Here we develop a numerical model of salt marsh evolution,
informed by recent measurements of productivity and decomposition,
and demonstrate that competition between mineral sediment
deposition and organic-matter accumulation determines the net
impact of climate change on carbon accumulation in intertidal
wetlands. We find that the direct impact of warming on soil carbon
accumulation rates is more subtle than the impact of warmingdriven
sea level rise, although the impact of warming increases with
increasing rates of sea level rise. Our simulations suggest that the
net impact of climate change will be to increase carbon burial rates
in the first half of the twenty-first century, but that carbon–climate
feedbacks are likely to diminish over time. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15052547/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/05/25/47/00001/FI15052547_thm.jpg |
