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Title: Author Correction: Carbon budgets for 1.5 and 2 °C targets lowered by natural wetland and permafrost feedbacks

Abstract

In the version of this Article originally published in July 2018, a parallelization coding problem, which meant that a subset of model grid cells were subjected to erroneous updating of atmospheric gas concentrations, resulted in incorrect calculation of atmospheric CO 2 for these grid cells, and therefore underestimation of the carbon uptake by land through vegetation growth and eventual increases to soil carbon stocks. Having re-run the simulations using the corrected code, the authors found that the original estimates of the impact of the natural wetland methane feedback were overestimated. The permafrost and natural wetland methane feedback requires lower permissible emissions of 9–15% to achieve climate stabilization at 1.5 °C, compared with the original published estimate of 17–23%. The Article text, Table 1 and Fig. 3 have been updated online to reflect the revised numerical estimates. The Supplementary Information file has also been amended, with Supplementary Figs 6, 7, 8 and 9 replaced with revised versions produced using the corrected model output. As the strength of feedbacks remain significant, still require inclusion in climate policy and are nonlinear with global warming, the overall conclusions of the Article remain unchanged.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5];  [5];  [4]; ORCiD logo [4]; ORCiD logo [6];  [4]
  1. Centre for Ecology and Hydrology, Wallingford (United Kingdom)
  2. Univ. of Leeds, Leeds (United Kingdom); Univ. of Exeter, Exeter (United Kingdom)
  3. Met Office Hadley Centre, Exeter (United Kingdom)
  4. Univ. of Exeter, Exeter (United Kingdom)
  5. Univ. of Reading, Reading (United Kingdom)
  6. Met Office Hadley Centre, Exeter (United Kingdom). Joint Centre for Hydrometeorological Research
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1567139
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Nature Geoscience
Additional Journal Information:
Journal Volume: 11; Journal Issue: 11; Journal ID: ISSN 1752-0894
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES

Citation Formats

Comyn-Platt, Edward, Hayman, Garry, Huntingford, Chris, Chadburn, Sarah E., Burke, Eleanor J., Harper, Anna B., Collins, William J., Webber, Christopher P., Powell, Tom, Cox, Peter M., Gedney, Nicola, and Sitch, Stephen. Author Correction: Carbon budgets for 1.5 and 2 °C targets lowered by natural wetland and permafrost feedbacks. United States: N. p., 2018. Web. doi:10.1038/s41561-018-0247-9.
Comyn-Platt, Edward, Hayman, Garry, Huntingford, Chris, Chadburn, Sarah E., Burke, Eleanor J., Harper, Anna B., Collins, William J., Webber, Christopher P., Powell, Tom, Cox, Peter M., Gedney, Nicola, & Sitch, Stephen. Author Correction: Carbon budgets for 1.5 and 2 °C targets lowered by natural wetland and permafrost feedbacks. United States. doi:10.1038/s41561-018-0247-9.
Comyn-Platt, Edward, Hayman, Garry, Huntingford, Chris, Chadburn, Sarah E., Burke, Eleanor J., Harper, Anna B., Collins, William J., Webber, Christopher P., Powell, Tom, Cox, Peter M., Gedney, Nicola, and Sitch, Stephen. Mon . "Author Correction: Carbon budgets for 1.5 and 2 °C targets lowered by natural wetland and permafrost feedbacks". United States. doi:10.1038/s41561-018-0247-9. https://www.osti.gov/servlets/purl/1567139.
@article{osti_1567139,
title = {Author Correction: Carbon budgets for 1.5 and 2 °C targets lowered by natural wetland and permafrost feedbacks},
author = {Comyn-Platt, Edward and Hayman, Garry and Huntingford, Chris and Chadburn, Sarah E. and Burke, Eleanor J. and Harper, Anna B. and Collins, William J. and Webber, Christopher P. and Powell, Tom and Cox, Peter M. and Gedney, Nicola and Sitch, Stephen},
abstractNote = {In the version of this Article originally published in July 2018, a parallelization coding problem, which meant that a subset of model grid cells were subjected to erroneous updating of atmospheric gas concentrations, resulted in incorrect calculation of atmospheric CO2 for these grid cells, and therefore underestimation of the carbon uptake by land through vegetation growth and eventual increases to soil carbon stocks. Having re-run the simulations using the corrected code, the authors found that the original estimates of the impact of the natural wetland methane feedback were overestimated. The permafrost and natural wetland methane feedback requires lower permissible emissions of 9–15% to achieve climate stabilization at 1.5 °C, compared with the original published estimate of 17–23%. The Article text, Table 1 and Fig. 3 have been updated online to reflect the revised numerical estimates. The Supplementary Information file has also been amended, with Supplementary Figs 6, 7, 8 and 9 replaced with revised versions produced using the corrected model output. As the strength of feedbacks remain significant, still require inclusion in climate policy and are nonlinear with global warming, the overall conclusions of the Article remain unchanged.},
doi = {10.1038/s41561-018-0247-9},
journal = {Nature Geoscience},
number = 11,
volume = 11,
place = {United States},
year = {2018},
month = {10}
}

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