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Articles by Wouter Peters
Canadian net forest CO2 uptake enhanced by heat drought via reduced respiration - Nature Geoscience
Abstract The response of net forest carbon uptake to warm extremes remains elusive. The year 2023 was at the time ‘the hottest year on record’ globally, with Canada’s forests experiencing warm anomalies of above 2 °C and unprecedented drought and wildfires, providing a unique case to examine the response of boreal forest net carbon uptake to climate extremes.
Emerging climate impact on carbon sinks in a consolidated carbon budget
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Abstract Despite the adoption of the Paris Agreement 10 years ago, carbon dioxide (CO2) emissions from burning fossil fuels continue to increase, pushing atmospheric CO2 levels to 423 ppm in 2024 and driving human-induced warming to 1.36 °C, within years of breaching the 1.5 °C limit1,2. Accurate reporting of anthropogenic and natural CO2 sources and sinks is a prerequisite to tracking the effectiveness of climate policy and detecting carbon-sink responses to climate change.
By Pierre Friedlingstein, Corinne Le Quéré, Michael O’Sullivan, Judith Hauck, Peter Landschützer, Ingrid T. Luijkx, Hongmei Li, Clemens Schwingshackl, Julia Pongratz, Pierre Regnier, Robbie M Andrew, Dorothee Bakker, Josep G. Canadell, Philippe Ciais, Thomas Gasser, Matthew Jones, Xin Lan, Eric Morgan, Are Olsen, GLEN Peters, Wouter Peters, Stephen Sitch, Hanqin Tian, Auke van der Woude
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Nature
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Global covariation of forest age transitions with the net carbon balance - Nature Ecology & Evolution
Abstract Forest age transitions are critical in shaping the global carbon balance, yet their influence on carbon stocks and fluxes remains poorly quantified. Here we analyse global forest age dynamics from 2010 to 2020 using the Global Age Mapping Integration v2.0 dataset, alongside satellite-derived aboveground carbon (AGC) and atmospheric inversion-derived net CO2 flux data.
Wildfires offset the increasing but spatially heterogeneous Arctic–boreal CO2 uptake - Nature Climate Change
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Abstract The Arctic–Boreal Zone is rapidly warming, impacting its large soil carbon stocks. Here we use a new compilation of terrestrial ecosystem CO2 fluxes, geospatial datasets and random forest models to show that although the Arctic–Boreal Zone was overall an increasing terrestrial CO2 sink from 2001 to 2020 (mean ± standard deviation in net ecosystem exchange, −548 ± 140 Tg C yr−1; trend, −14 Tg C yr−1; P < 0.001), more than 30% of the region was a net CO2 source.
By Anna-Maria Virkkala, Brendan Rogers, Kyle Arndt, Stefano Potter, Isabel K. Wargowsky, Marguerite Mauritz, M. Syndonia Bret-Harte, Eleanor Burke, Abhishek Chatterjee, Frédéric Chevallier, Torben R Christensen, Róisín Commane, Colin Edgar, Bo Elberling, Craig A. Emmerton, Eugénie S. Euskirchen, Mathias Göckede, Achim Grelle, Manuel Helbig, David Holl, Järvi Järveoja, Hideki Kobayashi, Lars Kutzbach, Junjie Liu, Ingrid T. Luijkx, Efrén López-Blanco, Ivan Mammarella, Maija E. Marushchak, Mikhail Mastepanov, Trofim C. Maximov, Gesa Meyer, Mats Nilsson, Yosuke Niwa, Walter C. Oechel, Paul Palmer, Sang-Jong Park, Frans-Jan W. Parmentier, Matthias Peichl, Wouter Peters, Roman Petrov, William Quinton, Christian Rödenbeck, Torsten Sachs, Christopher J. Schulze, Oliver Sonnentag, Eeva-Stiina Tuittila, Masahito Ueyama, Andrej Varlagin, Donatella Zona, Namyi Chae, Sergey V. Karsanaev, Lutz Merbold
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Nature
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The key role of forest disturbance in reconciling estimates of the northern carbon sink - Communications Earth & Environment
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Abstract Northern forests are an important carbon sink, but our understanding of the driving factors is limited due to discrepancies between dynamic global vegetation models (DGVMs) and atmospheric inversions. We show that DGVMs simulate a 50% lower sink (1.1 ± 0.5 PgC yr−1 over 2001–2021) across North America, Europe, Russia, and China compared to atmospheric inversions (2.2 ± 0.6 PgC yr−1).
By Michael O’Sullivan, Stephen Sitch, Pierre Friedlingstein, Ingrid T. Luijkx, Wouter Peters, Thais M. Rosan, Naveen Chandra, Frédéric Chevallier, Philippe Ciais, Thomas Gasser, Atul Jain, Etsushi Kato, Jürgen Knauer, Yosuke Niwa, Paul Palmer, Prabir K. Patra, Benjamin Poulter, Christian Rödenbeck, Clemens Schwingshackl, Qing Sun, Hanqin Tian, Anthony Walker, Wenping Yuan, Yue Xu, Stefanie Falk
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Nature
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Author Correction: Temperature extremes of 2022 reduced carbon uptake by forests in Europe - Nature Communications
Correction to: Nature Communications https://doi.org/10.1038/s41467-023-41851-0, published online 06 October 2023 In this article the grant number 4000140982/23/I-EF relating to the ESA Carbon-RO for Ana Bastos, Philippe Ciais, and Stephen Sitch was omitted. The original article has been corrected. Additionally, Auke M. van der Woude and Wouter Peters should have been denoted as equally contributing authors. The original article has been corrected.
Temperature extremes of 2022 reduced carbon uptake by forests in Europe - Nature Communications
Abstract The year 2022 saw record breaking temperatures in Europe during both summer and fall. Similar to the recent 2018 drought, close to 30% (3.0 million km2) of the European continent was under severe summer drought. In 2022, the drought was located in central and southeastern Europe, contrasting the Northern-centered 2018 drought. We show, using multiple sets of observations, a reduction of net biospheric carbon uptake in summer (56-62 TgC) over the drought area.
Respiratory loss during late-growing season determines the net carbon dioxide sink in northern permafrost regions - Nature Communications
Abstract Warming of northern high latitude regions (NHL, > 50 °N) has increased both photosynthesis and respiration which results in considerable uncertainty regarding the net carbon dioxide (CO2) balance of NHL ecosystems. Using estimates constrained from atmospheric observations from 1980 to 2017, we find that the increasing trends of net CO2 uptake in the early-growing season are of similar magnitude across the tree cover gradient in the NHL.
Amazonia as a carbon source linked to deforestation and climate change - Nature
Abstract Amazonia hosts the Earth’s largest tropical forests and has been shown to be an important carbon sink over recent decades1,2,3. This carbon sink seems to be in decline, however, as a result of factors such as deforestation and climate change1,2,3. Here we investigate Amazonia’s carbon budget and the main drivers responsible for its change into a carbon source.
Increased water-use efficiency and reduced CO<sub>2</sub> uptake by plants during droughts at a continental scale
This work used eddy covariance data acquired by the FLUXNET community.
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