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A synthesis of the arctic terrestrial and marine carbon cycles under pressure from a dwindling cryosphere

Parmentier, Frans Jan W LU ; Christensen, Torben R. LU ; Rysgaard, Søren ; Bendtsen, Jørgen ; Glud, Ronnie N. ; Else, Brent ; van Huissteden, Jacobus ; Sachs, Torsten ; Vonk, Jorien E and Sejr, Mikael K. (2017) In Ambio: a Journal of the Human Environment 46. p.53-69
Abstract

The current downturn of the arctic cryosphere, such as the strong loss of sea ice, melting of ice sheets and glaciers, and permafrost thaw, affects the marine and terrestrial carbon cycles in numerous interconnected ways. Nonetheless, processes in the ocean and on land have been too often considered in isolation while it has become increasingly clear that the two environments are strongly connected: Sea ice decline is one of the main causes of the rapid warming of the Arctic, and the flow of carbon from rivers into the Arctic Ocean affects marine processes and the air–sea exchange of CO2. This review, therefore, provides an overview of the current state of knowledge of the arctic terrestrial and marine carbon cycle,... (More)

The current downturn of the arctic cryosphere, such as the strong loss of sea ice, melting of ice sheets and glaciers, and permafrost thaw, affects the marine and terrestrial carbon cycles in numerous interconnected ways. Nonetheless, processes in the ocean and on land have been too often considered in isolation while it has become increasingly clear that the two environments are strongly connected: Sea ice decline is one of the main causes of the rapid warming of the Arctic, and the flow of carbon from rivers into the Arctic Ocean affects marine processes and the air–sea exchange of CO2. This review, therefore, provides an overview of the current state of knowledge of the arctic terrestrial and marine carbon cycle, connections in between, and how this complex system is affected by climate change and a declining cryosphere. Ultimately, better knowledge of biogeochemical processes combined with improved model representations of ocean–land interactions are essential to accurately predict the development of arctic ecosystems and associated climate feedbacks.

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author
; ; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Arctic, Carbon cycle, Ocean, Permafrost, Sea ice, Tundra
in
Ambio: a Journal of the Human Environment
volume
46
pages
17 pages
publisher
Springer
external identifiers
  • scopus:85010450420
  • pmid:28116680
  • wos:000395124900006
ISSN
0044-7447
DOI
10.1007/s13280-016-0872-8
language
English
LU publication?
yes
id
2c6ca996-684d-4063-8c35-7d1ab8a13028
date added to LUP
2017-02-06 10:07:58
date last changed
2024-04-14 04:22:37
@article{2c6ca996-684d-4063-8c35-7d1ab8a13028,
  abstract     = {{<p>The current downturn of the arctic cryosphere, such as the strong loss of sea ice, melting of ice sheets and glaciers, and permafrost thaw, affects the marine and terrestrial carbon cycles in numerous interconnected ways. Nonetheless, processes in the ocean and on land have been too often considered in isolation while it has become increasingly clear that the two environments are strongly connected: Sea ice decline is one of the main causes of the rapid warming of the Arctic, and the flow of carbon from rivers into the Arctic Ocean affects marine processes and the air–sea exchange of CO<sub>2</sub>. This review, therefore, provides an overview of the current state of knowledge of the arctic terrestrial and marine carbon cycle, connections in between, and how this complex system is affected by climate change and a declining cryosphere. Ultimately, better knowledge of biogeochemical processes combined with improved model representations of ocean–land interactions are essential to accurately predict the development of arctic ecosystems and associated climate feedbacks.</p>}},
  author       = {{Parmentier, Frans Jan W and Christensen, Torben R. and Rysgaard, Søren and Bendtsen, Jørgen and Glud, Ronnie N. and Else, Brent and van Huissteden, Jacobus and Sachs, Torsten and Vonk, Jorien E and Sejr, Mikael K.}},
  issn         = {{0044-7447}},
  keywords     = {{Arctic; Carbon cycle; Ocean; Permafrost; Sea ice; Tundra}},
  language     = {{eng}},
  month        = {{02}},
  pages        = {{53--69}},
  publisher    = {{Springer}},
  series       = {{Ambio: a Journal of the Human Environment}},
  title        = {{A synthesis of the arctic terrestrial and marine carbon cycles under pressure from a dwindling cryosphere}},
  url          = {{http://dx.doi.org/10.1007/s13280-016-0872-8}},
  doi          = {{10.1007/s13280-016-0872-8}},
  volume       = {{46}},
  year         = {{2017}},
}