Impact on short-lived climate forcers increases projected warming due to deforestation

Scott, C. E.; Monks, S. A.; Spracklen, D. V.; Arnold, S. R.; Forster, P. M.; Rap, A.; Äijälä, M.; Artaxo, P.; Carslaw, K. S.; Chipperfield, M. P.; Ehn, M.; Gilardoni, S.; Heikkinen, L.; Kulmala, M.; Petäjä, T.; Reddington, C. L. S.; Rizzo, L. V.; Swietlicki, E.; Vignati, E.; Wilson, C.

doi:10.1038/s41467-017-02412-4

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Impact on short-lived climate forcers increases projected warming due to deforestation

2018
By Scott, C. E. ; Monks, S. A. ; Spracklen, D. V. ; ...
Source: Nature Communications, 9, 157.

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Journal Title:

Nature Communications
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Scott, C. E. ; Monks, S. A. ; Spracklen, D. V. ; Arnold, S. R. ; Forster, P. M. ; ... More +

Scott, C. E. ; Monks, S. A. ; Spracklen, D. V. ; Arnold, S. R. ; Forster, P. M. ; Rap, A. ; Äijälä, M. ; Artaxo, P. ; Carslaw, K. S. ; Chipperfield, M. P. ; Ehn, M. ; Gilardoni, S. ; Heikkinen, L. ; Kulmala, M. ; Petäjä, T. ; Reddington, C. L. S. ; Rizzo, L. V. ; Swietlicki, E. ; Vignati, E. ; Wilson, C. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CSL (Chemical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CSL (Chemical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

The climate impact of deforestation depends on the relative strength of several biogeochemical and biogeophysical effects. In addition to affecting the exchange of carbon dioxide (CO2) and moisture with the atmosphere and surface albedo, vegetation emits biogenic volatile organic compounds (BVOCs) that alter the formation of short-lived climate forcers (SLCFs), which include aerosol, ozone and methane. Here we show that a scenario of complete global deforestation results in a net positive radiative forcing (RF; 0.12Wm-2) from SLCFs, with the negative RF from decreases in ozone and methane concentrations partially offsetting the positive aerosol RF. Combining RFs due to CO2, surface albedo and SLCFs suggests that global deforestation could cause 0.8 K warming after 100 years, with SLCFs contributing 8% of the effect. However, deforestation as projected by the RCP8.5 scenario leads to zero net RF from SLCF, primarily due to nonlinearities in the aerosol indirect effect.
Source:

Nature Communications, 9, 157.
DOI:

https://doi.org/10.1038/s41467-017-02412-4
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Journal Article
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CC BY
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urn:sha256:b9153433885bab32ebbba0f4021cd813bbfa4aebbe1bc378b16223de55bc66cd
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Impact on short-lived climate forcers increases projected warming due to deforestation

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