Nitrous oxide emission budgets and land-use-driven hotspots for organic soils in Europe

Leppelt, Thomas; Dechow, René; Gebbert, S.; Freibauer, Annette; Lohila, Annalea; Augustin, Jürgen; Drösler, Matthias; Fiedler, Sabine; Glatzel, Stephan; Höper, Heinrich; Järveoja, Järvi; Lærke, Poul Erik; Maljanen, Marja; Mander, Ülo; Mäkiranta, Päivi; Minkkinen, Kari; Ojanen, Paavo; Regina, Kristiina; Strömgren, Monika

doi:10.5194/bg-11-6595-2014

Cited by 86 publications

(55 citation statements)

References 65 publications

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“…The explanation power of our statistical models for N 2 O concentrations in lakes (Table ) is comparable to the power of the models developed for terrestrial N 2 O emissions (Leppelt et al, ; Pärn et al, ). In the lake dataset from boreal southern Norway and Sweden, N 2 O concentrations correlated positively with nitrate in summer (Yang et al, ).…”

Section: Discussionsupporting

confidence: 81%

Lakes as nitrous oxide sources in the boreal landscape

Kortelainen

Larmola

Rantakari

et al. 2020

Global Change Biology

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Estimates of regional and global freshwater N2O emissions have remained inaccurate due to scarce data and complexity of the multiple processes driving N2O fluxes the focus predominantly being on summer time measurements from emission hot spots, agricultural streams. Here, we present four‐season data of N2O concentrations in the water columns of randomly selected boreal lakes covering a large variation in latitude, lake type, area, depth, water chemistry, and land use cover. Nitrate was the key driver for N2O dynamics, explaining as much as 78% of the variation of the seasonal mean N2O concentrations across all lakes. Nitrate concentrations varied among seasons being highest in winter and lowest in summer. Of the surface water samples, 71% were oversaturated with N2O relative to the atmosphere. Largest oversaturation was measured in winter and lowest in summer stressing the importance to include full year N2O measurements in annual emission estimates. Including winter data resulted in fourfold annual N2O emission estimates compared to summer only measurements. Nutrient‐rich calcareous and large humic lakes had the highest annual N2O emissions. Our emission estimates for Finnish and boreal lakes are 0.6 and 29 Gg N2O‐N/year, respectively. The global warming potential of N2O from lakes cannot be neglected in the boreal landscape, being 35% of that of diffusive CH4 emission in Finnish lakes.

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Section: Discussionsupporting

confidence: 81%

Lakes as nitrous oxide sources in the boreal landscape

Kortelainen

Larmola

Rantakari

et al. 2020

Global Change Biology

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“…According to the annual N 2 O emission factors and according areas of differently degraded peatland (table 1), we estimated that the annual N 2 O-N emissions from European, Russian and Canadian peatlands are 68.6, 12.1 and 0.24 Gg, respectively. In this study, the estimated annual N 2 O-N emissions from European peatlands is comparable to that estimated by using IPCC emission factors, but lower than that estimated using a fuzzy logic model (Leppelt et al 2014). The N 2 O emissions from Canadian peatlands are low because pristine and moderately degraded peat soils cover almost the entire area (Moore 1994).…”

Section: Annual N 2 O Emission From Peatlandssupporting

confidence: 50%

Soil degradation determines release of nitrous oxide and dissolved organic carbon from peatlands

Liu

Zak

Rezanezhad

et al. 2019

Environ. Res. Lett.

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Carbon (C) and nitrogen (N) release from peatlands are closely related to water management and soil degradation. However, peat degradation has not been explicitly accounted for when estimating national greenhouse gas inventories. Here, we assembled a comprehensive dataset covering European, Russian and Canadian peatlands and introduced soil bulk density (BD) as a proxy for peat degradation to estimate nitrous oxide (N 2 O) and dissolved organic carbon (DOC) release. The results show that physical and biogeochemical properties of peat are sensitive to soil degradation. The BD is superior to other parameters (C/N, pH) to estimate annual N 2 O emissions and DOC pore water concentrations. The more a peat soil is degraded, the higher the risk of air/water pollution in peaty landscapes. Even after rewetting, highly degraded soils may exhibit high N 2 O release rates. The estimated annual N 2 O-N emissions from European, Russian and Canadian degraded peatlands sum up to approximately 81.0 Gg. The derived BD-based functions can assist in computing global matter fluxes from peatlands.

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“…Many factors influence the quantity of the emission of N 2 O from soils, e.g. climate, texture, temperature and soil moisture, secondary binding of nitrogen oxides in the soil, land use and cultivation, the type and amount of fertiliser doses, and biomass burning on the ground (Mercik et al 1995;Bremner 1997;Khalil et al 2004;Sapek 2008;Leppelt et al 2014;Żyłowski 2016).…”

Section: Introductionmentioning

confidence: 99%

The use of agricultural soils as a source of nitrous oxide emission in selected communes of Poland

Wiśniewski

Kistowski

2017

Bulletin of Geography. Physical Geography Series

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Abstract. Nitrous oxide (N 2 O) is one of the main greenhouse gases, with a nearly 300 times greater potential to produce a greenhouse effect than carbon dioxide (CO 2 ). Almost 80% of the annual emissions of this gas in Poland come from agriculture, and its main source is the use of agricultural soils. The study attempted to estimate the N 2 O emission from agricultural soils and to indicate its share in the total greenhouse gas emissions in 48 Polish communes. For this purpose, a simplified solution has been proposed which can be successfully applied by local government areas in order to assess nitrous oxide emissions, as well as to monitor the impact of actions undertaken to limit them. The estimated emission was compared with the results of the baseline greenhouse gas inventory prepared for the needs of the low-carbon economy plans adopted by the studied self-governments. This allowed us to determine the share of N 2 O emissions from agricultural soils in the total greenhouse gas emissions of the studied communes. The annual N 2 O emissions from agricultural soils in the studied communes range from 1.21 Mg N 2 O-N to 93.28 Mg N 2 O-N, and the cultivation of organic soils is its main source. The use of mineral and natural fertilisers, as well as indirect emissions from nitrogen leaching into groundwater and surface waters, are also significant. The results confirm the need to include greenhouse gas emissions from the use of agricultural soils and other agricultural sources in low-carbon economy plans. The use of agricultural soils as a source of nitrous oxide emission in selected communes of PolandKey words: nitrous oxide, greenhouse gases, emission, agricultural soils, communes, Poland IntroductionNitrous oxide (N 2 O) is a greenhouse gas with a nearly 300 times greater potential to produce a greenhouse effect than carbon dioxide (CO 2 ) and a very long duration of persistence in the atmosphere, estimated to be over 100 years (Turbiak et al. 2011; IPCC 2013;Prather et al. 2015). According to the National Centre for Emissions Management (KOBiZE 2016), in 2014, N 2 O emissions in Poland were estimated at 66,300 Mg (5.2% of total greenhouse gas emissions), 78.9% of which came from agriculture. Agricultural soils are mainly responsible for the share of N 2 O emissions from this sector being so significant; they account for about 68% of the N 2 O emissions. Nitrous oxide is produced in the soil mainly as a result of nitrification and denitrification processes, as well as the process of nitrogen binding by bacteria. Many factors influence the quantity of the emission of N 2 O from soils, e.g. climate, texture, temperature and soil moisture, secondary binding of nitrogen oxides in the soil, land use and cultivation, the type and amount of fertiliser doses, and biomass burning on the ground (Mercik et al. 1995;Bremner 1997;Khalil et al. 2004;Sapek 2008;Leppelt et al. 2014; Żyłowski 2016 40Agricultural N 2 O emissions are currently being measured in two ways: direct emission measurement from a given source, and emis...

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Nitrous oxide emission budgets and land-use-driven hotspots for organic soils in Europe

Cited by 86 publications

References 65 publications

Lakes as nitrous oxide sources in the boreal landscape

Lakes as nitrous oxide sources in the boreal landscape

Soil degradation determines release of nitrous oxide and dissolved organic carbon from peatlands

The use of agricultural soils as a source of nitrous oxide emission in selected communes of Poland

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