Articles | Volume 12, issue 15
https://doi.org/10.5194/bg-12-4711-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-4711-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
06 Aug 2015
Research article |
| 06 Aug 2015
N2O fluxes from the littoral zone of a Chinese reservoir
M. Yang
School of Nature Conservation, Beijing Forestry University, Beijing, China
X. M. Geng
School of Nature Conservation, Beijing Forestry University, Beijing, China
J. Grace
School of Geosciences, The University of Edinburgh EH9 3FF, Edinburgh, UK
Y. F. Jia
School of Nature Conservation, Beijing Forestry University, Beijing, China
now at: Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
Y. Z. Liu
School of Nature Conservation, Beijing Forestry University, Beijing, China
S. W. Jiao
School of Nature Conservation, Beijing Forestry University, Beijing, China
L. L. Shi
School of Nature Conservation, Beijing Forestry University, Beijing, China
C. Lu
School of Nature Conservation, Beijing Forestry University, Beijing, China
Y. Zhou
School of Nature Conservation, Beijing Forestry University, Beijing, China
G. C. Lei
CORRESPONDING AUTHOR
School of Nature Conservation, Beijing Forestry University, Beijing, China
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Transpiration is a key component of global water balance, but it is poorly constrained from available observations. We present SAPFLUXNET, the first global database of tree-level transpiration from sap flow measurements, containing 202 datasets and covering a wide range of ecological conditions. SAPFLUXNET and its accompanying R software package
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L. Wingate, J. Ogée, E. Cremonese, G. Filippa, T. Mizunuma, M. Migliavacca, C. Moisy, M. Wilkinson, C. Moureaux, G. Wohlfahrt, A. Hammerle, L. Hörtnagl, C. Gimeno, A. Porcar-Castell, M. Galvagno, T. Nakaji, J. Morison, O. Kolle, A. Knohl, W. Kutsch, P. Kolari, E. Nikinmaa, A. Ibrom, B. Gielen, W. Eugster, M. Balzarolo, D. Papale, K. Klumpp, B. Köstner, T. Grünwald, R. Joffre, J.-M. Ourcival, M. Hellstrom, A. Lindroth, C. George, B. Longdoz, B. Genty, J. Levula, B. Heinesch, M. Sprintsin, D. Yakir, T. Manise, D. Guyon, H. Ahrends, A. Plaza-Aguilar, J. H. Guan, and J. Grace
Biogeosciences, 12, 5995–6015, https://doi.org/10.5194/bg-12-5995-2015, https://doi.org/10.5194/bg-12-5995-2015, 2015
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The timing of plant development stages and their response to climate and management were investigated using a network of digital cameras installed across different European ecosystems. Using the relative red, green and blue content of images we showed that the green signal could be used to estimate the length of the growing season in broadleaf forests. We also developed a model that predicted the seasonal variations of camera RGB signals and how they relate to leaf pigment content and area well.
S. Dengel, J. Grace, and A. MacArthur
Biogeosciences, 12, 4195–4207, https://doi.org/10.5194/bg-12-4195-2015, https://doi.org/10.5194/bg-12-4195-2015, 2015
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We tested the hypothesis that diffuse radiation from cloudy and overcast skies penetrates the canopy more effectively than direct radiation from clear skies. We compared the flux density and spectral properties of direct and diffuse radiation above, within and below a forest stand under sunny, cloudy and overcast conditions in a thinned Sitka spruce forest. We recorded vertical (1m resolution) and horizontal (2.5m resolution) profiles of radiation penetration at 1nm resolution.
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Biogeosciences, 20, 3229–3247, https://doi.org/10.5194/bg-20-3229-2023, https://doi.org/10.5194/bg-20-3229-2023, 2023
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Zoé Rehder, Thomas Kleinen, Lars Kutzbach, Victor Stepanenko, Moritz Langer, and Victor Brovkin
Biogeosciences, 20, 2837–2855, https://doi.org/10.5194/bg-20-2837-2023, https://doi.org/10.5194/bg-20-2837-2023, 2023
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Julian Koch, Lars Elsgaard, Mogens H. Greve, Steen Gyldenkærne, Cecilie Hermansen, Gregor Levin, Shubiao Wu, and Simon Stisen
Biogeosciences, 20, 2387–2403, https://doi.org/10.5194/bg-20-2387-2023, https://doi.org/10.5194/bg-20-2387-2023, 2023
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Utilizing peatlands for agriculture leads to large emissions of greenhouse gases worldwide. The emissions are triggered by lowering the water table, which is a necessary step in order to make peatlands arable. Many countries aim at reducing their emissions by restoring peatlands, which can be achieved by stopping agricultural activities and thereby raising the water table. We estimate a total emission of 2.6 Mt CO2-eq for organic-rich peatlands in Denmark and a potential reduction of 77 %.
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Biogeosciences, 20, 2049–2064, https://doi.org/10.5194/bg-20-2049-2023, https://doi.org/10.5194/bg-20-2049-2023, 2023
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Matti Räsänen, Risto Vesala, Petri Rönnholm, Laura Arppe, Petra Manninen, Markus Jylhä, Jouko Rikkinen, Petri Pellikka, and Janne Rinne
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Fungus-growing termites recycle large part of dead plant material in African savannas and are significant sources of greenhouse gases. We measured CO2 and CH4 fluxes from their mounds and surrounding soils at open and closed habitats. The fluxes scale with mound volume. The results show that emissions from mounds of fungus-growing termites are more stable than those from other termites. The soil fluxes around the mound are affected by the termite colonies up to 2 m distance from the mound.
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EGUsphere, https://doi.org/10.5194/egusphere-2023-422, https://doi.org/10.5194/egusphere-2023-422, 2023
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In our study, we assess the significance of methane (CH4) emissions due to reservoir flushing. We generated a large dataset of CH4 pore water concentrations in a reservoir's sediment to resolve seasonal CH4 distributions in the sediment. Our results show that in the studied reservoir, CH4 emissions caused by one flushing operation can represent 7–14 % of the annual CH4 emissions and that timing and frequency of the flushing operations affect the amount of released CH4.
Sofie Sjogersten, Martha Ledger, Matthias Siewert, Betsabé de la Barreda-Bautista, Andrew Sowter, David Gee, Giles Foody, and Doreen S. Boyd
Biogeosciences Discuss., https://doi.org/10.5194/bg-2023-17, https://doi.org/10.5194/bg-2023-17, 2023
Revised manuscript accepted for BG
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Permafrost thaw in Arctic regions is increasing methane emissions but quantification is difficult given the large and remote areas impacted. We show that drone data together with satellite data can be used to extrapolate emissions across the wider landscape as well as detecting areas at risk of higher emissions. A transition of currently degrading areas to fen type vegetation can increase emission with several orders of magnitude highlighting the importance of quantifying areas at risk.
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Revised manuscript accepted for BG
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A robust skirt-chamber design to capture and quantify greenhouse gas emissions from peatlands is presented. Compared to standard methods, this design improves the spatial resolution of field studies in remote locations, while minimizing intrusion.
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We measured and modelled the CO2 and CH4 fluxes of the terrestrial and aquatic ecosystems of the subarctic landscape for 2 years. The landscape was an annual CO2 sink and a CH4 source. The forest had the largest contribution to the landscape-level CO2 sink and the peatland to the CH4 emissions. The lakes released 24 % of the annual net C uptake of the landscape back to the atmosphere. The C fluxes were affected most by the rainy peak growing season of 2017 and the drought event in July 2018.
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Revised manuscript accepted for BG
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In order to quantify C transport and emission and main environmental factors controlling the C cycle in Siberian rivers, we investigated the largest tributary of the Ob River, the Ket River basin, by measuring spatial and seasonal variations in carbon CO2 and CH4 concentrations and emissions together with hydrochemical analyses. The obtained results are useful for large-scale modeling of C emission and export fluxes from permafrost-free boreal rivers of an underrepresented region of the world.
Robert J. Parker, Chris Wilson, Edward Comyn-Platt, Garry Hayman, Toby R. Marthews, A. Anthony Bloom, Mark F. Lunt, Nicola Gedney, Simon J. Dadson, Joe McNorton, Neil Humpage, Hartmut Boesch, Martyn P. Chipperfield, Paul I. Palmer, and Dai Yamazaki
Biogeosciences, 19, 5779–5805, https://doi.org/10.5194/bg-19-5779-2022, https://doi.org/10.5194/bg-19-5779-2022, 2022
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Wetlands are the largest natural source of methane, one of the most important climate gases. The JULES land surface model simulates these emissions. We use satellite data to evaluate how well JULES reproduces the methane seasonal cycle over different tropical wetlands. It performs well for most regions; however, it struggles for some African wetlands influenced heavily by river flooding. We explain the reasons for these deficiencies and highlight how future development will improve these areas.
Saúl Edgardo Martínez Castellón, José Henrique Cattanio, José Francisco Berrêdo, Marcelo Rollnic, Maria de Lourdes Ruivo, and Carlos Noriega
Biogeosciences, 19, 5483–5497, https://doi.org/10.5194/bg-19-5483-2022, https://doi.org/10.5194/bg-19-5483-2022, 2022
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We seek to understand the influence of climatic seasonality and microtopography on CO2 and CH4 fluxes in an Amazonian mangrove. Topography and seasonality had a contrasting influence when comparing the two gas fluxes: CO2 fluxes were greater in high topography in the dry period, and CH4 fluxes were greater in the rainy season in low topography. Only CO2 fluxes were correlated with soil organic matter, the proportion of carbon and nitrogen, and redox potential.
Matthias Koschorreck, Klaus Holger Knorr, and Lelaina Teichert
Biogeosciences, 19, 5221–5236, https://doi.org/10.5194/bg-19-5221-2022, https://doi.org/10.5194/bg-19-5221-2022, 2022
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At low water levels, parts of the bottom of rivers fall dry. These beaches or mudflats emit the greenhouse gas carbon dioxide (CO2) to the atmosphere. We found that those emissions are caused by microbial reactions in the sediment and that they change with time. Emissions were influenced by many factors like temperature, water level, rain, plants, and light.
Wantong Zhang, Zhengyi Hu, Joachim Audet, Thomas A. Davidson, Enze Kang, Xiaoming Kang, Yong Li, Xiaodong Zhang, and Jinzhi Wang
Biogeosciences, 19, 5187–5197, https://doi.org/10.5194/bg-19-5187-2022, https://doi.org/10.5194/bg-19-5187-2022, 2022
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This work focused on the CH4 and N2O emissions from alpine peatlands in response to the interactive effects of altered water table levels and increased nitrogen deposition. Across the 2-year mesocosm experiment, nitrogen deposition showed nonlinear effects on CH4 emissions and linear effects on N2O emissions, and these N effects were associated with the water table levels. Our results imply the future scenario of strengthened CH4 and N2O emissions from an alpine peatland.
Karel Castro-Morales, Anna Canning, Sophie Arzberger, Will A. Overholt, Kirsten Küsel, Olaf Kolle, Mathias Göckede, Nikita Zimov, and Arne Körtzinger
Biogeosciences, 19, 5059–5077, https://doi.org/10.5194/bg-19-5059-2022, https://doi.org/10.5194/bg-19-5059-2022, 2022
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Permafrost thaw releases methane that can be emitted into the atmosphere or transported by Arctic rivers. Methane measurements are lacking in large Arctic river regions. In the Kolyma River (northeast Siberia), we measured dissolved methane to map its distribution with great spatial detail. The river’s edge and river junctions had the highest methane concentrations compared to other river areas. Microbial communities in the river showed that the river’s methane likely is from the adjacent land.
Sonja Gindorf, Hermann W. Bange, Dennis Booge, and Annette Kock
Biogeosciences, 19, 4993–5006, https://doi.org/10.5194/bg-19-4993-2022, https://doi.org/10.5194/bg-19-4993-2022, 2022
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Methane is a climate-relevant greenhouse gas which is emitted to the atmosphere from coastal areas such as the Baltic Sea. We measured the methane concentration in the water column of the western Kiel Bight. Methane concentrations were higher in September than in June. We found no relationship between the 2018 European heatwave and methane concentrations. Our results show that the methane distribution in the water column is strongly affected by temporal and spatial variabilities.
Margaret Capooci and Rodrigo Vargas
Biogeosciences, 19, 4655–4670, https://doi.org/10.5194/bg-19-4655-2022, https://doi.org/10.5194/bg-19-4655-2022, 2022
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Tidal salt marsh soil emits greenhouse gases, as well as sulfur-based gases, which play roles in global climate but are not well studied as they are difficult to measure. Traditional methods of measuring these gases worked relatively well for carbon dioxide, but less so for methane, nitrous oxide, carbon disulfide, and dimethylsulfide. High variability of trace gases complicates the ability to accurately calculate gas budgets and new approaches are needed for monitoring protocols.
Janne Rinne, Patryk Łakomiec, Patrik Vestin, Joel D. White, Per Weslien, Julia Kelly, Natascha Kljun, Lena Ström, and Leif Klemedtsson
Biogeosciences, 19, 4331–4349, https://doi.org/10.5194/bg-19-4331-2022, https://doi.org/10.5194/bg-19-4331-2022, 2022
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The study uses the stable isotope 13C of carbon in methane to investigate the origins of spatial and temporal variation in methane emitted by a temperate wetland ecosystem. The results indicate that methane production is more important for spatial variation than methane consumption by micro-organisms. Temporal variation on a seasonal timescale is most likely affected by more than one driver simultaneously.
Kukka-Maaria Kohonen, Roderick Dewar, Gianluca Tramontana, Aleksanteri Mauranen, Pasi Kolari, Linda M. J. Kooijmans, Dario Papale, Timo Vesala, and Ivan Mammarella
Biogeosciences, 19, 4067–4088, https://doi.org/10.5194/bg-19-4067-2022, https://doi.org/10.5194/bg-19-4067-2022, 2022
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Four different methods for quantifying photosynthesis (GPP) at ecosystem scale were tested, of which two are based on carbon dioxide (CO2) and two on carbonyl sulfide (COS) flux measurements. CO2-based methods are traditional partitioning, and a new method uses machine learning. We introduce a novel method for calculating GPP from COS fluxes, with potentially better applicability than the former methods. Both COS-based methods gave on average higher GPP estimates than the CO2-based estimates.
Lutz Beckebanze, Benjamin R. K. Runkle, Josefine Walz, Christian Wille, David Holl, Manuel Helbig, Julia Boike, Torsten Sachs, and Lars Kutzbach
Biogeosciences, 19, 3863–3876, https://doi.org/10.5194/bg-19-3863-2022, https://doi.org/10.5194/bg-19-3863-2022, 2022
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In this study, we present observations of lateral and vertical carbon fluxes from a permafrost-affected study site in the Russian Arctic. From this dataset we estimate the net ecosystem carbon balance for this study site. We show that lateral carbon export has a low impact on the net ecosystem carbon balance during the complete study period (3 months). Nevertheless, our results also show that lateral carbon export can exceed vertical carbon uptake at the beginning of the growing season.
Shahar Baram, Asher Bar-Tal, Alon Gal, Shmulik P. Friedman, and David Russo
Biogeosciences, 19, 3699–3711, https://doi.org/10.5194/bg-19-3699-2022, https://doi.org/10.5194/bg-19-3699-2022, 2022
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Static chambers are the most common tool used to measure greenhouse gas (GHG) fluxes. We tested the impact of such chambers on nitrous oxide emissions in drip irrigation. Field measurements and 3-D simulations show that the chamber base drastically affects the water and nutrient distribution in the soil and hence the measured GHG fluxes. A nomogram is suggested to determine the optimal diameter of a cylindrical chamber that ensures minimal disturbance.
Tracy E. Rankin, Nigel T. Roulet, and Tim R. Moore
Biogeosciences, 19, 3285–3303, https://doi.org/10.5194/bg-19-3285-2022, https://doi.org/10.5194/bg-19-3285-2022, 2022
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Peatland respiration is made up of plant and peat sources. How to separate these sources is not well known as peat respiration is not straightforward and is more influenced by vegetation dynamics than previously thought. Results of plot level measurements from shrubs and sparse grasses in a woody bog show that plants' respiration response to changes in climate is related to their different root structures, implying a difference in the mechanisms by which they obtain water resources.
Alison Bressler and Jennifer Blesh
Biogeosciences, 19, 3169–3184, https://doi.org/10.5194/bg-19-3169-2022, https://doi.org/10.5194/bg-19-3169-2022, 2022
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Our field experiment tested if a mixture of a nitrogen-fixing legume and non-legume cover crop could reduce nitrous oxide (N2O) emissions following tillage, compared to the legume grown alone. We found higher N2O following both legume treatments, compared to those without, and lower emissions from the cover crop mixture at one of the two test sites, suggesting that interactions between cover crop types and soil quality influence N2O emissions.
Sari Juutinen, Mika Aurela, Juha-Pekka Tuovinen, Viktor Ivakhov, Maiju Linkosalmi, Aleksi Räsänen, Tarmo Virtanen, Juha Mikola, Johanna Nyman, Emmi Vähä, Marina Loskutova, Alexander Makshtas, and Tuomas Laurila
Biogeosciences, 19, 3151–3167, https://doi.org/10.5194/bg-19-3151-2022, https://doi.org/10.5194/bg-19-3151-2022, 2022
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We measured CO2 and CH4 fluxes in heterogenous Arctic tundra in eastern Siberia. We found that tundra wetlands with sedge and grass vegetation contributed disproportionately to the landscape's ecosystem CO2 uptake and CH4 emissions to the atmosphere. Moreover, we observed high CH4 consumption in dry tundra, particularly in barren areas, offsetting part of the CH4 emissions from the wetlands.
Jessica Plein, Rulon W. Clark, Kyle A. Arndt, Walter C. Oechel, Douglas Stow, and Donatella Zona
Biogeosciences, 19, 2779–2794, https://doi.org/10.5194/bg-19-2779-2022, https://doi.org/10.5194/bg-19-2779-2022, 2022
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Tundra vegetation and the carbon balance of Arctic ecosystems can be substantially impacted by herbivory. We tested how herbivory by brown lemmings in individual enclosure plots have impacted carbon exchange of tundra ecosystems via altering carbon dioxide (CO2) and methane (CH4) fluxes. Lemmings significantly decreased net CO2 uptake while not affecting CH4 emissions. There was no significant difference in the subsequent growing season due to recovery of the vegetation.
Jenie Gil, Maija E. Marushchak, Tobias Rütting, Elizabeth M. Baggs, Tibisay Pérez, Alexander Novakovskiy, Tatiana Trubnikova, Dmitry Kaverin, Pertti J. Martikainen, and Christina Biasi
Biogeosciences, 19, 2683–2698, https://doi.org/10.5194/bg-19-2683-2022, https://doi.org/10.5194/bg-19-2683-2022, 2022
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N2O emissions from permafrost soils represent up to 11.6 % of total N2O emissions from natural soils, and their contribution to the global N2O budget will likely increase due to climate change. A better understanding of N2O production from permafrost soil is needed to evaluate the role of arctic ecosystems in the global N2O budget. By studying microbial N2O production processes in N2O hotspots in permafrost peatlands, we identified denitrification as the dominant source of N2O in these surfaces.
Christian Rödenbeck, Tim DeVries, Judith Hauck, Corinne Le Quéré, and Ralph F. Keeling
Biogeosciences, 19, 2627–2652, https://doi.org/10.5194/bg-19-2627-2022, https://doi.org/10.5194/bg-19-2627-2022, 2022
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The ocean is an important part of the global carbon cycle, taking up about a quarter of the anthropogenic CO2 emitted by burning of fossil fuels and thus slowing down climate change. However, the CO2 uptake by the ocean is, in turn, affected by variability and trends in climate. Here we use carbon measurements in the surface ocean to quantify the response of the oceanic CO2 exchange to environmental conditions and discuss possible mechanisms underlying this response.
Shuang Ma, Lifen Jiang, Rachel M. Wilson, Jeff P. Chanton, Scott Bridgham, Shuli Niu, Colleen M. Iversen, Avni Malhotra, Jiang Jiang, Xingjie Lu, Yuanyuan Huang, Jason Keller, Xiaofeng Xu, Daniel M. Ricciuto, Paul J. Hanson, and Yiqi Luo
Biogeosciences, 19, 2245–2262, https://doi.org/10.5194/bg-19-2245-2022, https://doi.org/10.5194/bg-19-2245-2022, 2022
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The relative ratio of wetland methane (CH4) emission pathways determines how much CH4 is oxidized before leaving the soil. We found an ebullition modeling approach that has a better performance in deep layer pore water CH4 concentration. We suggest using this approach in land surface models to accurately represent CH4 emission dynamics and response to climate change. Our results also highlight that both CH4 flux and belowground concentration data are important to constrain model parameters.
Mika Korkiakoski, Tiia Määttä, Krista Peltoniemi, Timo Penttilä, and Annalea Lohila
Biogeosciences, 19, 2025–2041, https://doi.org/10.5194/bg-19-2025-2022, https://doi.org/10.5194/bg-19-2025-2022, 2022
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We measured CH4 fluxes and production and oxidation potentials from irrigated and non-irrigated podzolic soil in a boreal forest. CH4 sink was smaller at the irrigated site but did not cause CH4 emission, with one exception. We also showed that under laboratory conditions, not only wet conditions, but also fresh carbon, are needed to make podzolic soil into a CH4 source. Our study provides important data for improving the process models describing the upland soil CH4 dynamics.
Sarah Shakil, Suzanne E. Tank, Jorien E. Vonk, and Scott Zolkos
Biogeosciences, 19, 1871–1890, https://doi.org/10.5194/bg-19-1871-2022, https://doi.org/10.5194/bg-19-1871-2022, 2022
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Permafrost thaw-driven landslides in the western Arctic are increasing organic carbon delivered to headwaters of drainage networks in the western Canadian Arctic by orders of magnitude. Through a series of laboratory experiments, we show that less than 10 % of this organic carbon is likely to be mineralized to greenhouse gases during transport in these networks. Rather most of the organic carbon is likely destined for burial and sequestration for centuries to millennia.
Wolfgang Fischer, Christoph K. Thomas, Nikita Zimov, and Mathias Göckede
Biogeosciences, 19, 1611–1633, https://doi.org/10.5194/bg-19-1611-2022, https://doi.org/10.5194/bg-19-1611-2022, 2022
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Arctic permafrost ecosystems may release large amounts of carbon under warmer future climates and may therefore accelerate global climate change. Our study investigated how long-term grazing by large animals influenced ecosystem characteristics and carbon budgets at a Siberian permafrost site. Our results demonstrate that such management can contribute to stabilizing ecosystems to keep carbon in the ground, particularly through drying soils and reducing methane emissions.
Dong-Gill Kim, Ben Bond-Lamberty, Youngryel Ryu, Bumsuk Seo, and Dario Papale
Biogeosciences, 19, 1435–1450, https://doi.org/10.5194/bg-19-1435-2022, https://doi.org/10.5194/bg-19-1435-2022, 2022
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As carbon (C) and greenhouse gas (GHG) research has adopted appropriate technology and approach (AT&A), low-cost instruments, open-source software, and participatory research and their results were well accepted by scientific communities. In terms of cost, feasibility, and performance, the integration of low-cost and low-technology, participatory and networking-based research approaches can be AT&A for enhancing C and GHG research in developing countries.
Lutz Beckebanze, Zoé Rehder, David Holl, Christian Wille, Charlotta Mirbach, and Lars Kutzbach
Biogeosciences, 19, 1225–1244, https://doi.org/10.5194/bg-19-1225-2022, https://doi.org/10.5194/bg-19-1225-2022, 2022
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Arctic permafrost landscapes feature many water bodies. In contrast to the terrestrial parts of the landscape, the water bodies release carbon to the atmosphere. We compare carbon dioxide and methane fluxes from small water bodies to the surrounding tundra and find not accounting for the carbon dioxide emissions leads to an overestimation of the tundra uptake by 11 %. Consequently, changes in hydrology and water body distribution may substantially impact the overall carbon budget of the Arctic.
Brian Scott, Andrew H. Baldwin, and Stephanie A. Yarwood
Biogeosciences, 19, 1151–1164, https://doi.org/10.5194/bg-19-1151-2022, https://doi.org/10.5194/bg-19-1151-2022, 2022
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Carbon dioxide and methane contribute to global warming. What can we do? We can build wetlands: they store carbon dioxide and should cause global cooling. But when first built they produce excess methane. Eventually built wetlands will cause cooling, but it may take decades or even centuries. How we build wetlands matters. We show that a common practice, using organic matter, such as manure, can make a big difference whether or not the wetlands we build start global cooling within our lifetime.
Jan Knappe, Celia Somlai, and Laurence W. Gill
Biogeosciences, 19, 1067–1085, https://doi.org/10.5194/bg-19-1067-2022, https://doi.org/10.5194/bg-19-1067-2022, 2022
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Two domestic on-site wastewater treatment systems have been monitored for greenhouse gas (carbon dioxide, methane and nitrous oxide) emissions coming from the process units, soil and vent pipes. This has enabled the net greenhouse gas per person to be quantified for the first time, as well as the impact of pre-treatment on the effluent before being discharged to soil. These decentralised wastewater treatment systems serve approx. 20 % of the population in both Europe and the United States.
Yanan Zhao, Dennis Booge, Christa A. Marandino, Cathleen Schlundt, Astrid Bracher, Elliot L. Atlas, Jonathan Williams, and Hermann W. Bange
Biogeosciences, 19, 701–714, https://doi.org/10.5194/bg-19-701-2022, https://doi.org/10.5194/bg-19-701-2022, 2022
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We present here, for the first time, simultaneously measured dimethylsulfide (DMS) seawater concentrations and DMS atmospheric mole fractions from the Peruvian upwelling region during two cruises in December 2012 and October 2015. Our results indicate low oceanic DMS concentrations and atmospheric DMS molar fractions in surface waters and the atmosphere, respectively. In addition, the Peruvian upwelling region was identified as an insignificant source of DMS emissions during both periods.
Moussa Moustapha, Loris Deirmendjian, David Sebag, Jean-Jacques Braun, Stéphane Audry, Henriette Ateba Bessa, Thierry Adatte, Carole Causserand, Ibrahima Adamou, Benjamin Ngounou Ngatcha, and Frédéric Guérin
Biogeosciences, 19, 137–163, https://doi.org/10.5194/bg-19-137-2022, https://doi.org/10.5194/bg-19-137-2022, 2022
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We monitor the spatio-temporal variability of organic and inorganic carbon (C) species in the tropical Nyong River (Cameroon), across groundwater and increasing stream orders. We show the significant contribution of wetland as a C source for tropical rivers. Thus, ignoring the river–wetland connectivity might lead to the misrepresentation of C dynamics in tropical watersheds. Finally, total fluvial carbon losses might offset ~10 % of the net C sink estimated for the whole Nyong watershed.
Alexander J. Turner, Philipp Köhler, Troy S. Magney, Christian Frankenberg, Inez Fung, and Ronald C. Cohen
Biogeosciences, 18, 6579–6588, https://doi.org/10.5194/bg-18-6579-2021, https://doi.org/10.5194/bg-18-6579-2021, 2021
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This work builds a high-resolution estimate (500 m) of gross primary productivity (GPP) over the US using satellite measurements of solar-induced chlorophyll fluorescence (SIF) from the TROPOspheric Monitoring Instrument (TROPOMI) between 2018 and 2020. We identify ecosystem-specific scaling factors for estimating gross primary productivity (GPP) from TROPOMI SIF. Extreme precipitation events drive four regional GPP anomalies that account for 28 % of year-to-year GPP differences across the US.
Paul Laris, Moussa Koné, Fadiala Dembélé, Christine M. Rodrigue, Lilian Yang, Rebecca Jacobs, and Quincy Laris
Biogeosciences, 18, 6229–6244, https://doi.org/10.5194/bg-18-6229-2021, https://doi.org/10.5194/bg-18-6229-2021, 2021
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Savanna fires play a key role in the global carbon cycle because they release methane. Although it burns the most, there are few studies from West Africa. We conducted 36 experimental fires according to local practice to collect smoke samples. We found that fires set early in the season had higher methane emissions than those set later, and head fires had double the emissions of backfires. We conclude policies to reduce emissions will not have the desired effects if fire type is not considered.
Johan H. Scheller, Mikhail Mastepanov, Hanne H. Christiansen, and Torben R. Christensen
Biogeosciences, 18, 6093–6114, https://doi.org/10.5194/bg-18-6093-2021, https://doi.org/10.5194/bg-18-6093-2021, 2021
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Our study presents a time series of methane emissions in a high-Arctic-tundra landscape over 14 summers, which shows large variations between years. The methane emissions from the valley are expected to more than double in the late 21st century. This warming increases permafrost thaw, which could increase surface erosion in the valley. Increased erosion could offset some of the rise in methane fluxes from the valley, but this would require large-scale impacts on vegetated surfaces.
Patryk Łakomiec, Jutta Holst, Thomas Friborg, Patrick Crill, Niklas Rakos, Natascha Kljun, Per-Ola Olsson, Lars Eklundh, Andreas Persson, and Janne Rinne
Biogeosciences, 18, 5811–5830, https://doi.org/10.5194/bg-18-5811-2021, https://doi.org/10.5194/bg-18-5811-2021, 2021
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Methane emission from the subarctic mire with heterogeneous permafrost status was measured for the years 2014–2016. Lower methane emission was measured from the palsa mire sector while the thawing wet sector emitted more. Both sectors have a similar annual pattern with a gentle rise during spring and a decrease during autumn. The highest emission was observed in the late summer. Winter emissions were positive during the measurement period and have a significant impact on the annual budgets.
Balázs Grosz, Reinhard Well, Rene Dechow, Jan Reent Köster, Mohammad Ibrahim Khalil, Simone Merl, Andreas Rode, Bianca Ziehmer, Amanda Matson, and Hongxing He
Biogeosciences, 18, 5681–5697, https://doi.org/10.5194/bg-18-5681-2021, https://doi.org/10.5194/bg-18-5681-2021, 2021
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To assure quality predictions biogeochemical models must be current. We use data measured using novel incubation methods to test the denitrification sub-modules of three models. We aim to identify limitations in the denitrification modeling to inform next steps for development. Several areas are identified, most urgently improved denitrification control parameters and further testing with high-temporal-resolution datasets. Addressing these would significantly improve denitrification modeling.
Sarah Waldo, Jake J. Beaulieu, William Barnett, D. Adam Balz, Michael J. Vanni, Tanner Williamson, and John T. Walker
Biogeosciences, 18, 5291–5311, https://doi.org/10.5194/bg-18-5291-2021, https://doi.org/10.5194/bg-18-5291-2021, 2021
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Human-made reservoirs impact the carbon cycle. In particular, the breakdown of organic matter in reservoir sediments can result in large emissions of greenhouse gases (especially methane) to the atmosphere. This study takes an intensive look at the patterns in greenhouse gas emissions from a single reservoir in Ohio (United States) and the role of water temperature, precipitation, and algal blooms in emissions. We saw a "spring burst" of elevated emissions that challenged our assumptions.
Xinyu Liu, Xixi Lu, Ruihong Yu, Heyang Sun, Hao Xue, Zhen Qi, Zhengxu Cao, Zhuangzhuang Zhang, and Tingxi Liu
Biogeosciences, 18, 4855–4872, https://doi.org/10.5194/bg-18-4855-2021, https://doi.org/10.5194/bg-18-4855-2021, 2021
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Gradual riparian wetland drying is increasingly sensitive to global warming and contributes to climate change. We analyzed the emissions of CO2, CH4, and N2O from riparian wetlands in the Xilin River basin to understand the role of these ecosystems in greenhouse gas emissions. Our study showed that anthropogenic activities have extensively changed the hydrological characteristics of the riparian wetlands and might accelerate carbon loss, which could further affect greenhouse gas emissions.
Cited articles
Ahn, J. H., Choi, M. Y., Kim, B. Y., Lee, J. S., Song, J., Kim, G. Y., and Weon, H. Y.: Effects of water-saving irrigation on emissions of greenhouse gases and Prokaryotic Communities in rice paddy soil, Microb. Ecol., 68, 271–283, 2014.
Bai, E., Li, W., Li, S. L., Sun, J. F., Peng, B., Dai, W. W., Jiang, P., and Han, S. J.: Pulse increase of soil N2O emission in response to N addition in a temperate forest on Mt Changbai, northeast China, Plos One, 9, e102765, https://doi.org/10.1371/journal.pone.0102765, 2014.
Baggs, E. and Pilippot, L.: Microbial Terrestrial Pathways to Nitrous Oxide, in: Nitrous Oxide and Climate Change, edited by: Smith, K. A., Earthscan, London, 4–35, 2010.
Bao, Q., Ju, X., Gao, B., Qu, Z., Christie, P., and Lu, Y.: Response of nitrous oxide and corresponding bacteria to managements in an agricultural soil, Soil Sci. Soc. Am. J., 76, 130–141, 2012.
Beaulieu, J. J., Smolenski, R. L., Nietch, C. T., Townsend-Small, A., Elovitz, M. S., and Schubauer-Berigan, J. P.: Denitrification alternates between a source and sink of nitrous oxide in the hypolimnion of a thermally stratified reservoir, Limnol. Oceanogr., 59, 495–506, 2014.
Buchkina, N. P., Rizhiya, E. Y., Pavlik, S. V., and Balashov, E. V.: Soil Physical Properties and Nitrous Oxide Emission from Agricultural Soils, in: Advances in Agrophysical Research, edited by: Grundas, S. and Stepniewski, A., 194–196, 2013.
Butterbach-Bahl, K., Baggs, E. M., Dannenmann, M., Kiese, R., and Zechmeister-Boltenstern, S.: Nitrous oxide emissions from soils: how well do we understand the processes and their controls?, Philos. T. R. Soc. B., 368, 20130122, https://doi.org/10.1098/rstb.2013.0122, 2013.
Cao, R., Li, C. J., Liu, L. J., Wang, J. H., and Yan, G. J.: Extracting Miyun reservoirs water area and monitoring its change based on a revised normalized different water index, Sci. Surv. Mapp., 33, 158–160, 2008.
Chen, H., Wu, Y. Y., Yuan, X. Z., Gao, Y. H., Wu, N., and Zhu, D.: Methane emissions from newly created marshes in the drawdown area of the Three Gorges Reservoir, J. Geophys. Res. Atmos., 114, D18301, https://doi.org/10.1029/2009jd012410, 2009.
Chen, H., Yuan, X., Gao, Y., Wu, N., Zhu, D., and Wang, J.: Nitrous oxide emissions from newly created littoral marshes in the drawdown area of the Three Gorges Reservoir, China, Water, Air Soil Pollut., 211, 25–33, 2010.
Chen, H., Yuan, X., Chen, Z., Wu, Y., Liu, X., Zhu, D., Wu, N., Zhu, Q. a., Peng, C., and Li, W.: Methane emissions from the surface of the Three Gorges Reservoir, J. Geophys. Res. Atmos., 116, D21306, https://doi.org/10.1029/2011JD016244, 2011a.
Chen, H., Wang, M., Wu, N., Wang, Y., Zhu, D., Gao, Y., and Peng, C.: Nitrous oxide fluxes from the littoral zone of a lake on the Qinghai-Tibetan Plateau, Environ. Monit. Assess., 182, 545–553, 2011b.
Ciarlo, E., Conti, M., Bartoloni, N., and Rubio, G.: The effect of moisture on nitrous oxide emissions from soil and the N2O/(N2O+ N2) ratio under laboratory conditions, Biol. Fertility Soils, 43, 675–681, 2007.
Diem, T., Koch, S., Schwarzenbach, S., Wehrli, B., and Schubert, C. J.: Greenhouse gas emissions (CO2, CH4, and N2O) from several perialpine and alpine hydropower reservoirs by diffusion and loss in turbines, Aquat. Sci., 74, 619–635, 2012.
Gao, Z. Q.: Beijing chronicles of water conservancy,volume III, Editing Committee of the Beijing Chronicles of Water Conservancy, Beijing, 1989.
Groffman, P. M., Butterbach-Bahl, K., Fulweiler, R. W., Gold, A. J., Morse, J. L., Stander, E. K., Tague, C., Tonitto, C., and Vidon, P.: Challenges to incorporating spatially and temporally explicit phenomena (hotspots and hot moments) in denitrification models, Biogeochemistry, 93, 49–77, 2009.
Guérin, F., Abril, G., Tremblay, A., and Delmas, R.: Nitrous oxide emissions from tropical hydroelectric reservoirs, Geophys. Res. Lett., 35, L06404, https://doi.org/10.1029/2007GL033057, 2008.
Gunkel, G.: Hydropower – a green energy? Tropical reservoirs and greenhouse gas emissions, Clean-Soil Air Water, 37, 726–734, 2009.
Hernandez, M., and Mitsch, W.: Influence of hydrologic pulses, flooding frequency, and vegetation on nitrous oxide emissions from created riparian marshes, Wetlands, 26, 862–877, 2006.
Hu, X. K., Su, F., Ju, X. T., Gao, B., Oenema, O., Christie, P., Huang, B. X., Jiang, R. F., and Zhang, F. S.: Greenhouse gas emissions from a wheat-maize double cropping system with different nitrogen fertilization regimes, Environ. Pollut., 176, 198–207, 2013.
Huttunen, J. T., Vaisanen, T. S., Hellsten, S. K., Heikkinen, M., Nykanen, H., Jungner, H., Niskanen, A., Virtanen, M. O., Lindqvist, O. V., Nenonen, O. S., and Martikainen, P. J.: Fluxes of CH4, CO2, and N2O in hydroelectric reservoirs Lokka and Porttipahta in the northern boreal zone in Finland, Global Biogeochem. Cy., 16, 1003, https://doi.org/10.1029/2000GB001316, 2002.
Huttunen, J. T., Juutinen, S., Alm, J., Larmola, T., Hammar, T., Silvola, J., and Martikainen, P. J.: Nitrous oxide flux to the atmosphere from the littoral zone of a boreal lake, J. Geophys. Res., 108, 4421, https://doi.org/10.1029/2002JD002989, 2003.
Jacinthe, P. A., Bills, J. S., Tedesco, L. P., and Barr, R. C.: Nitrous oxide emission from riparian buffers in relation to vegetation and flood frequency, J. Environ. Qual., 41, 95–105, 2012a.
Jacinthe, P. A., Filippelli, G. M., Tedesco, L. P., and Raftis, R.: Carbon storage and greenhouse gases emission from a fluvial reservoir in an agricultural landscape, Catena, 94, 53–63, 2012b.
Kool, D. M., Dolfing, J., Wrage, N., and Van Groenigen, J. W.: Nitrifier denitrification as a distinct and significant source of nitrous oxide from soil, Soil Biol. Biochem., 43, 174–178, 2011.
Kumar, A., Schei, T., Ahenkorah, A., Rodriguez, R. C., Devernay, J. M., Freitas, M., Hall, D., A. Killingtveit, and Liu, Z.: Hydropower, in: IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation edited by: Edenhofer,O., Pichs-Madruga, R., Sokona, Y., Seyboth, K., Matschoss, P., Kadner, S., Zwickel, T., Eickemeier, P., Hansen, G., Schlömer, S., and von Stechow, C., Cambridge University Press, Cambridge,United Kingdom and New York, NY, USA, 443–466, 2011.
Li, C., Xiao, X. M., Frolking, S., Moore, B., Salas, W., Qiu, J., Zhang, Y., Zhuang, Y., Wang, X., and Dai, Z.: Greenhouse gas emissions from croplands of China, Quaternary Sci., 23, 493–404, 2003.
Li, H., Yang, M., Lei, T., Zhang, M., Bridgewater, P., Lu, C., Geng, X., and Lei, G.: Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China, Hydrol. Res., in press, https://doi.org/10.2166/nh.2014.095, 2014.
Liengaard, L., Nielsen, L. P., Revsbech, N. P., Prieme, A., Elberling, B., Enrich-Prast, A., and Kuhl, M.: Extreme emission of N2O from tropical wetland soil (pantanal, South america), Front Microbiol, 3, 433, https://doi.org/10.3389/fmicb.2012.00433, 2013.
Liu, L. L. and Greaver, T. L.: A review of nitrogen enrichment effects on three biogenic GHGs: the CO2 sink may be largely offset by stimulated N2O and CH4 emission, Ecol. Lett., 12, 1103–1117, 2009.
Liu, L., Xu, M., Lin, M., and Zhang, X.: Spatial variability of greenhouse gas effluxes and their controlling factors in the Poyang Lake in China, Pol. J. Environ. Stud., 22, 749–758, 2013.
Liu, X. L., Liu, C. Q., Li, S. L., Wang, F. S., Wang, B. L., and Wang, Z. L.: Spatiotemporal variations of nitrous oxide (N2O) emissions from two reservoirs in SW China, Atmos. Environ., 45, 5458–5468, 2011.
Liu, Y., Zhu, R., Ma, D., Xu, H., Luo, Y., Huang, T., and Sun, L.: Temporal and spatial variations of nitrous oxide fluxes from the littoral zones of three alga-rich lakes in coastal Antarctica, Atmos. Environ., 45, 1464–1475, 2011.
Lu, Y. and Xu, H.: Effects of soil temperature, flooding, and organic matter addition on N2O emissions from a soil of Hongze Lake wetland, China, The Scientific World Journal, 2014, 272684–272684, 2014.
MAPRC: Ministry of agriculture of People's Republic of China, available at: http://cx.spsp.gov.cn/index.aspx (last access: 10 November 2013), 2007.
Peng, S., Hou, H., Xu, J., Mao, Z., Abudu, S., and Luo, Y.: Nitrous oxide emissions from paddy fields under different water managements in southeast China, Paddy Water Environ., 9, 403–411, 2011.
Pilegaard, K.: Processes regulating nitric oxide emissions from soils, Philos. T. R. Soc. B., 368, 20130126, https://doi.org/10.1098/rstb.2013.0126, 2013.
Rosamond, M. S., Thuss, S. J., and Schiff, S. L.: Dependence of riverine nitrous oxide emissions on dissolved oxygen levels, Nature. Geosci., 5, 715–718, 2012.
Rubol, S., Silver, W. L., and Bellin, A.: Hydrologic control on redox and nitrogen dynamics in a peatland soil, Sci. Total Environ., 432, 37–46, 2012.
Senga, Y., Mochida, K., Okamoto, N., Fukumori, R., and Seike, Y.: Nitrous oxide in brackish Lake Nakaumi, Japan II: the role of nitrification and denitrification in N2O accumulation, Limnology, 3, 21–27, 2002.
Serrano-Silva, N., Sarria-Guzman, Y., Dendooven, L., and Luna-Guido, M.: Methanogenesis and methanotrophy in soil: a review, Pedosphere, 24, 291–307, 2014.
Sierra, J.: Nitrogen mineralization and nitrification in a tropical soil: effects of fluctuating temperature conditions, Soil Biol. Biochem., 34, 1219–1226, 2002.
Smith, K. A., Bouwman, L., and Braatz, B.: N2O: direct emissions from agricultural soils. In: Background Papers: IPCC Meetings on Good Practice Guidance and Uncertainty Management in National Greenhouse Gas Inventories, Inst. for Global Environmental Strategies, Kanagawa, Japan, 361–380, 2002.
Soja, G., Kitzler, B., and Soja, A. M.: Emissions of greenhouse gases from Lake Neusiedl, a shallow steppe lake in Eastern Austria, Hydrobiologia, 731, 125–138, 2014.
Stocker, T. F., Qin, D., Plattner, G. K., Tignor, M., Allen, S. K., Boschung, J., Nauels, A., Xia, Y., Bex, V., and Midgley, P. M.: Climate Change 2013: The physical science basis. contribution of working group I to the fifth assessment report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 2013.
Sun, Z., Wang, L., Mou, X., Jiang, H., and Sun, W.: Spatial and temporal variations of nitrous oxide flux between coastal marsh and the atmosphere in the Yellow River estuary of China, Environ. Sci. Pollut. R., 21, 419–433, 2014.
Tranvik, L. J., Downing, J. A., Cotner, J. B., Loiselle, S. A., Striegl, R. G., Ballatore, T. J., Dillon, P., Finlay, K., Fortino, K., Knoll, L. B., Kortelainen, P. L., Kutser, T., Larsen, S., Laurion, I., Leech, D. M., McCallister, S. L., McKnight, D. M., Melack, J. M., Overholt, E., Porter, J. A., Prairie, Y., Renwick, W. H., Roland, F., Sherman, B. S., Schindler, D. W., Sobek, S., Tremblay, A., Vanni, M. J., Verschoor, A. M., von Wachenfeldt, E., and Weyhenmeyer, G. A.: Lakes and reservoirs as regulators of carbon cycling and climate, Limnol. Oceanogr., 54, 2298–2314, 2009.
Tremblay, A., Varfalvy, L., Roehm, C., and Garneu, M.: Greenhouse gas emissions-fluxes and processes, Hydroelectric Reservoirs and Natural Environments, Springer, Berlin, 21–60, 2005.
Trost, B., Prochnow, A., Drastig, K., Meyer-Aurich, A., Ellmer, F., and Baumecker, M.: Irrigation, soil organic carbon and N2O emissions: a review, Agron. Sustain. Dev., 33, 1–17, 2013.
Van den Heuvel, R. N., Bakker, S. E., Jetten, M. S. M., and Hefting, M. M.: Decreased N2O reduction by low soil pH causes high N2O emissions in a riparian ecosystem, Geobiology, 9, 294–300, 2011.
Veraart, A. J., De Klein, J. J., and Scheffer, M.: Warming can boost denitrification disproportionately due to altered oxygen dynamics, Plos One, 6, e18508, https://doi.org/10.1371/journal.pone.0018508, 2011.
Wang, H., Wang, W., Yin, C., Wang, Y., and Lu, J.: Littoral zones as the "hotspots" of nitrous oxide (N2O) emission in a hyper-eutrophic lake in China, Atmos. Environ., 40, 5522–5527, 2006.
Wang, H. J., Yang, L. Y., Wang, W. D., Lu, J. W., and Yin, C. Q.: Nitrous oxide (N2O) fluxes and their relationships with water-sediment characteristics in a hyper-eutrophic shallow lake, China, J. Geophys. Res. Biogeo., 112, G01005, https://doi.org/10.1029/2005jg000129, 2007.
Wang, Y. S., Cheng, S. L., Fang, H. J., Yu, G. R., Xu, M. J., Dang, X. S., Li, L. S., and Wang, L.: Simulated nitrogen deposition reduces CH4 uptake and increases N2O emission from a subtropical plantation forest soil in southern China, Plos One, 9, e93571, https://doi.org/10.1371/journal.pone.0093571, 2014.
Xia, Y., Li, Y., Li, X., Guo, M., She, D., and Yan, X.: Diurnal pattern in nitrous oxide emissions from a sewage-enriched river, Chemosphere, 92, 421–428, 2013.
Xie, S., Zhang, X., and Wang, Z.: Temperature effect on aerobic denitrification and nitrification, J. Environ. Sci. (China), 15, 669–673, 2003.
Xu, X., He, P., Qiu, S., Pampolino, M. F., Zhao, S., Johnston, A. M., and Zhou, W.: Estimating a new approach of fertilizer recommendation across small-holder farms in China, Field Crops Res., 163, 10–17, 2014.
Yang, J., Liu, J., Hu, X., Li, X., Wang, Y., and Li, H.: Effect of water table level on CO2, CH4 and N2O emissions in a freshwater marsh of Northeast China, Soil Biol. Biochem., 61, 52–60, 2013.
Yang, L., Lu, F., Zhou, X., Wang, X., Duan, X., and Sun, B.: Progress in the studies on the greenhouse gas emissions from reservoirs, Acta Ecol. Sinica, 34, 204–212, 2014.
Yang, M., Li, H. L., Lei, T., Zhou, Y., and Lu, C.: Spatial-temporal variation of CH4 flux and its environmental factors at Miyun Reservoir, Wetland Sci., 9, 191–197, 2011.
Yang, M., Geng, X., Grace, J., Lu, C., Zhu, Y., Zhou, Y., and Lei, G.: Spatial and seasonal CH4 flux in the littoral zone of Miyun Reservoir near Beijing: the effects of water level and its fluctuation, Plos One, 9, e94275, https://doi.org/10.1371/journal.pone.0094275, 2014.
Yang, X. and Lu, X.: Drastic change in China's lakes and reservoirs over the past decades, Sci. Rep., 4, 6041, https://doi.org/10.1038/srep06041, 2014.
Yang, Z., Zhao, Y., and Xia, X.: Nitrous oxide emissions from Phragmites australis-dominated zones in a shallow lake, Environ. Pollut., 166, 116–124, 2012.
Zhang, J. K., Jiang, C. S., Hao, Q. J., Tang, Q. W., Cheng, B. H., Li, H., and Chen, L. H.: Effects of tillage-cropping systems on methane and nitrous oxide emissions from agro-ecosystems in a purple paddy soil, Huan Jing Ke Xue, 33, 1979–1986, 2012.
Zhao, Y., Xia, Y., Li, B., and Yan, X.: Influence of environmental factors on net N2 and N2O production in sediment of freshwater rivers, Environ. Sci. Pollut. R., 21, 9973–9982, 2014.
Zhu, D., Chen, H., Yuan, X., Wu, N., Gao, Y., Wu, Y., Zhang, Y., Peng, C., Zhu, Q., Yang, G., and Wu, J.: Nitrous oxide emissions from the surface of the Three Gorges Reservoir, , Ecol. Eng., 60, 150–154, 2013.
Zhu, X., Burger, M., Doane, T. A., and Horwath, W. R.: Ammonia oxidation pathways and nitrifier denitrification are significant sources of N2O and NO under low oxygen availability, P. Natl. Acad. Sci. USA, 110, 6328–6333, 2013.
Zschornack, T., Bayer, C., Zanatta, J. A., Vieira, F. C. B., and Anghinoni, I.: Mitigation of methane and nitrous oxide emissions from flood-irrigated rice by no incorporation of winter crop residues into the soil, Rev. Bras. Cienc. Solo., 35, 623–634, 2011.
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