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Carbon and nitrogen cycle dynamics in the O‐CN land surface model: 2. Role of the nitrogen cycle in the historical terrestrial carbon balance

Open access
Zaehle, S., Friend, A. D., Friedlingstein, P., Dentener, F., Peylin, P., Schulz, M.·2010·Global Biogeochemical Cycles

Abstract

Global‐scale results of the new O‐CN terrestrial biosphere model coupling the carbon (C) and nitrogen (N) cycles show that the model produces realistic estimates of present‐day C and N stocks and fluxes, despite some regional biases. N availability strongly affects high‐latitude foliage area and foliage N, limiting vegetation productivity and present‐day high‐latitude net C uptake. Anthropogenic N deposition is predicted to have increased net primary productivity due to increases in foliage area and foliage N, contributing 0.2–0.5 Pg C yr−1 to the 1990s global net C uptake. While O‐CN's modeled global 1990s terrestrial net C uptake (2.4 Pg C yr−1) is similar to the estimate not accounting for anthropogenic N inputs and N dynamics (2.6 Pg C yr−1), its latitudinal distribution and the sensitivity of the terrestrial C balance to its driving factors are substantially altered by N dynamics, with important implications for future trajectories of the global carbon cycle.

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Metadata

Authors
Zaehle, S., Friend, A. D., Friedlingstein, P., Dentener, F., Peylin, P., & Schulz, M.
Venue
Global Biogeochemical Cycles
Published
2010-02-11
Volume
24
Issue
1
ISSN
  • 0886-6236 (ISSN-L)
  • 1944-9224
OpenAlex
W2022978612
Cited by
299
References
4
FWCI
41.63
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Carbon and nitrogen cycle dynamics in the O‐CN land surface model: 2. Role of the nitrogen cycle in the historical terrestrial carbon balance. https://app.cochat.ai/papers/10.1029/2009gb003522
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Zaehle, S., Friend, A. D., Friedlingstein, P., Dentener, F., Peylin, P., & Schulz, M. (2010). Carbon and nitrogen cycle dynamics in the O‐CN land surface model: 2. Role of the nitrogen cycle in the historical terrestrial carbon balance. Global Biogeochemical Cycles. https://doi.org/10.1029/2009gb003522

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