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Cited by 180

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Quantifying carbon‐nitrogen feedbacks in the Community Land Model (CLM4)

Bonan, Gordon B., Levis, Samuel·2010·Geophysical Research Letters

Abstract

Recent studies indicate that nitrogen biogeochemistry affects the carbon cycle feedback in climate simulations. We use the Community Land Model version 4 (CLM4) with carbon‐only and carbon‐nitrogen biogeochemistry to assess the influence of nitrogen on the land carbon budget for 1973–2004. Carbon‐only simulations show that the carbon gain from increasing atmospheric CO 2 (the concentration‐carbon feedback) is four times greater than the warming‐induced carbon loss (the climate‐carbon feedback) over the period 1973–2004. Nitrogen reduces both feedbacks compared with carbon‐only biogeochemistry. The decrease in the concentration‐carbon feedback is three times greater than the effect on the climate‐carbon feedback. Thus, the influence of nitrogen on the CLM4 concentration‐carbon feedback is of greater importance for near‐term climate change simulations than its effect on the climate‐carbon feedback. Furthermore, the land use carbon flux greatly exceeds these carbon‐nitrogen biogeochemical feedbacks.

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Metadata

Authors
Bonan, G. B., & Levis, S.
Venue
Geophysical Research Letters
Published
2010-04
Volume
37
Issue
7
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W1898639481
Cited by
180
References
3
FWCI
15.14
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Quantifying carbon‐nitrogen feedbacks in the Community Land Model (CLM4). https://app.cochat.ai/papers/10.1029/2010gl042430
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Bonan, G. B., & Levis, S. (2010). Quantifying carbon‐nitrogen feedbacks in the Community Land Model (CLM4). Geophysical Research Letters. https://doi.org/10.1029/2010gl042430

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