Accelerating net terrestrial carbon uptake during the warming hiatus due to reduced respiration

Ashley Ballantyne; William Smith; William Anderegg; Pekka Kauppi; Jorge Sarmiento; Pieter Tans; Elena Shevliakova; Yude Pan; Benjamin Poulter; Alessandro Anav; Pierre Friedlingstein; Richard Houghton; Steven Running

doi:10.1038/nclimate3204

Accelerating net terrestrial carbon uptake during the warming hiatus due to reduced respiration

Ashley Ballantyne, William Smith, William Anderegg, Pekka Kauppi, Jorge Sarmiento, Pieter Tans, Elena Shevliakova, Yude Pan, Benjamin Poulter, Alessandro Anav, Pierre Friedlingstein, Richard Houghton, Steven Running

W. A. Franke College of Forestry and Conservation

Research output: Contribution to journal › Article › peer-review

159 Scopus citations

Abstract

The recent â € warming hiatus' presents an excellent opportunity to investigate climate sensitivity of carbon cycle processes. Here we combine satellite and atmospheric observations to show that the rate of net biome productivity (NBP) has significantly accelerated from â '0.007 ± 0.065 PgC yr â '2 over the warming period (1982 to 1998) to 0.119 ± 0.071 PgC yr â '2 over the warming hiatus (1998-2012). This acceleration in NBP is not due to increased primary productivity, but rather reduced respiration that is correlated (r=0.58; P=0.0007) and sensitive (3 = 4.05 to 9.40 PgC yr â '1 per °C) to land temperatures. Global land models do not fully capture this apparent reduced respiration over the warming hiatus; however, an empirical model including soil temperature and moisture observations better captures the reduced respiration.

Original language	English
Pages (from-to)	148-152
Number of pages	5
Journal	Nature Climate Change
Volume	7
Issue number	2
DOIs	https://doi.org/10.1038/nclimate3204
State	Published - Feb 1 2017

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title = "Accelerating net terrestrial carbon uptake during the warming hiatus due to reduced respiration",

abstract = "The recent {\^a} € warming hiatus' presents an excellent opportunity to investigate climate sensitivity of carbon cycle processes. Here we combine satellite and atmospheric observations to show that the rate of net biome productivity (NBP) has significantly accelerated from {\^a} '0.007 ± 0.065 PgC yr {\^a} '2 over the warming period (1982 to 1998) to 0.119 ± 0.071 PgC yr {\^a} '2 over the warming hiatus (1998-2012). This acceleration in NBP is not due to increased primary productivity, but rather reduced respiration that is correlated (r=0.58; P=0.0007) and sensitive (3 = 4.05 to 9.40 PgC yr {\^a} '1 per °C) to land temperatures. Global land models do not fully capture this apparent reduced respiration over the warming hiatus; however, an empirical model including soil temperature and moisture observations better captures the reduced respiration.",

author = "Ashley Ballantyne and William Smith and William Anderegg and Pekka Kauppi and Jorge Sarmiento and Pieter Tans and Elena Shevliakova and Yude Pan and Benjamin Poulter and Alessandro Anav and Pierre Friedlingstein and Richard Houghton and Steven Running",

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T1 - Accelerating net terrestrial carbon uptake during the warming hiatus due to reduced respiration

AU - Ballantyne, Ashley

AU - Smith, William

AU - Anderegg, William

AU - Kauppi, Pekka

AU - Sarmiento, Jorge

AU - Tans, Pieter

AU - Shevliakova, Elena

AU - Pan, Yude

AU - Poulter, Benjamin

AU - Anav, Alessandro

AU - Friedlingstein, Pierre

AU - Houghton, Richard

AU - Running, Steven

PY - 2017/2/1

Y1 - 2017/2/1

N2 - The recent â € warming hiatus' presents an excellent opportunity to investigate climate sensitivity of carbon cycle processes. Here we combine satellite and atmospheric observations to show that the rate of net biome productivity (NBP) has significantly accelerated from â '0.007 ± 0.065 PgC yr â '2 over the warming period (1982 to 1998) to 0.119 ± 0.071 PgC yr â '2 over the warming hiatus (1998-2012). This acceleration in NBP is not due to increased primary productivity, but rather reduced respiration that is correlated (r=0.58; P=0.0007) and sensitive (3 = 4.05 to 9.40 PgC yr â '1 per °C) to land temperatures. Global land models do not fully capture this apparent reduced respiration over the warming hiatus; however, an empirical model including soil temperature and moisture observations better captures the reduced respiration.

AB - The recent â € warming hiatus' presents an excellent opportunity to investigate climate sensitivity of carbon cycle processes. Here we combine satellite and atmospheric observations to show that the rate of net biome productivity (NBP) has significantly accelerated from â '0.007 ± 0.065 PgC yr â '2 over the warming period (1982 to 1998) to 0.119 ± 0.071 PgC yr â '2 over the warming hiatus (1998-2012). This acceleration in NBP is not due to increased primary productivity, but rather reduced respiration that is correlated (r=0.58; P=0.0007) and sensitive (3 = 4.05 to 9.40 PgC yr â '1 per °C) to land temperatures. Global land models do not fully capture this apparent reduced respiration over the warming hiatus; however, an empirical model including soil temperature and moisture observations better captures the reduced respiration.

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SP - 148

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JO - Nature Climate Change

JF - Nature Climate Change

IS - 2

ER -

Accelerating net terrestrial carbon uptake during the warming hiatus due to reduced respiration

Abstract

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