Open Access
Open access

Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra

R. Commane 1, 2
Jakob Lindaas 2
Joshua Benmergui 1
Kristina A. Luus 3
Rachel Y.-W. Chang 4
Bruce C. Daube 1, 2
Eugénie S. Euskirchen 5
J. Henderson 6
Anna Karion 7
John B. Miller 8
Scot M Miller 9
Nicholas C Parazoo 10, 11
James T. Randerson 12
Colm Sweeney 7, 13
Pieter Tans 13
Kirk Thoning 13
Sander Veraverbeke 12, 14
Charles E. Miller 11
Steven C. Wofsy 1, 2
Publication typeJournal Article
Publication date2017-05-08
scimago Q1
wos Q1
SJR3.414
CiteScore16.5
Impact factor9.1
ISSN00278424, 10916490
Multidisciplinary
Abstract
Significance

Rising arctic temperatures could mobilize reservoirs of soil organic carbon trapped in permafrost. We present the first quantitative evidence for large, regional-scale early winter respiration flux, which more than offsets carbon uptake in summer in the Arctic. Data from the National Oceanic and Atmospheric Administration’s Barrow station indicate that October through December emissions of CO 2 from surrounding tundra increased by 73% since 1975, supporting the view that rising temperatures have made Arctic ecosystems a net source of CO 2 . It has been known for over 50 y that tundra soils remain unfrozen and biologically active in early winter, yet many Earth System Models do not correctly represent this phenomenon or the associated CO 2 emissions, and hence they underestimate current, and likely future, CO 2 emissions under climate change.

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GOST |
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GOST Copy
Commane R. et al. Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra // Proceedings of the National Academy of Sciences of the United States of America. 2017. Vol. 114. No. 21. pp. 5361-5366.
GOST all authors (up to 50) Copy
Commane R., Lindaas J., Benmergui J., Luus K. A., Chang R. Y., Daube B. C., Euskirchen E. S., Henderson J., Karion A., Miller J. B., Miller S. M., Parazoo N. C., Randerson J. T., Sweeney C., Tans P., Thoning K., Veraverbeke S., Miller C. E., Wofsy S. C. Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra // Proceedings of the National Academy of Sciences of the United States of America. 2017. Vol. 114. No. 21. pp. 5361-5366.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1073/pnas.1618567114
UR - https://doi.org/10.1073/pnas.1618567114
TI - Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra
T2 - Proceedings of the National Academy of Sciences of the United States of America
AU - Commane, R.
AU - Lindaas, Jakob
AU - Benmergui, Joshua
AU - Luus, Kristina A.
AU - Chang, Rachel Y.-W.
AU - Daube, Bruce C.
AU - Euskirchen, Eugénie S.
AU - Henderson, J.
AU - Karion, Anna
AU - Miller, John B.
AU - Miller, Scot M
AU - Parazoo, Nicholas C
AU - Randerson, James T.
AU - Sweeney, Colm
AU - Tans, Pieter
AU - Thoning, Kirk
AU - Veraverbeke, Sander
AU - Miller, Charles E.
AU - Wofsy, Steven C.
PY - 2017
DA - 2017/05/08
PB - Proceedings of the National Academy of Sciences (PNAS)
SP - 5361-5366
IS - 21
VL - 114
PMID - 28484001
SN - 0027-8424
SN - 1091-6490
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2017_Commane,
author = {R. Commane and Jakob Lindaas and Joshua Benmergui and Kristina A. Luus and Rachel Y.-W. Chang and Bruce C. Daube and Eugénie S. Euskirchen and J. Henderson and Anna Karion and John B. Miller and Scot M Miller and Nicholas C Parazoo and James T. Randerson and Colm Sweeney and Pieter Tans and Kirk Thoning and Sander Veraverbeke and Charles E. Miller and Steven C. Wofsy},
title = {Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
year = {2017},
volume = {114},
publisher = {Proceedings of the National Academy of Sciences (PNAS)},
month = {may},
url = {https://doi.org/10.1073/pnas.1618567114},
number = {21},
pages = {5361--5366},
doi = {10.1073/pnas.1618567114}
}
MLA
Cite this
MLA Copy
Commane, R., et al. “Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra.” Proceedings of the National Academy of Sciences of the United States of America, vol. 114, no. 21, May. 2017, pp. 5361-5366. https://doi.org/10.1073/pnas.1618567114.