Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent

N. Fitton; A. Datta; J.M. Cloy; R.M. Rees; C.F.E. Topp; M.J. Bell; L.M. Cardenas; J. Williams; K. Smith; R. Thorman; C.J. Watson; K.L. McGeough; M. Kuhnert; A. Hastings; S. Anthony; D. Chadwick; P. Smith

doi:10.1016/j.agee.2017.08.032

Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent

N. Fitton, A. Datta, J.M. Cloy, R.M. Rees, C.F.E. Topp, M.J. Bell, L.M. Cardenas, J. Williams, K. Smith, R. Thorman, C.J. Watson, K.L. McGeough, M. Kuhnert, A. Hastings, S. Anthony, D. Chadwick, P. Smith

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Abstract

Abstract Agricultural soils are the primary source of nitrous oxide emissions due to management practices including fertiliser application. While fertiliser rates are one of the main drivers of nitrous oxide emissions, emissions are also dependent on other variables such as climate and soil properties. To understand the spatial and inter-annual variations in emission rate, simulations of N2O emissions were made from 2000 to 2010 for UK grass and croplands. In addition, the sensitivity of these emissions to soil and climate inputs was also tested. Emissions of between 0.3 to 3.5 kg N ha−1 yr−1 and 0.7–7 kg N ha−1 yr−1 were simulated across UK croplands and grasslands, respectively. While inter-annual variations can be attributed to climate influences, the primary driver of spatial variations in emissions was soil clay content. However, when the sensitivity of nitrous oxide emissions to soil clay content alone was tested, it was not always the best predictor of emissions, when soil texture is altered outside of the normal range used as inputs to the model from different databases.

Original language	English
Pages (from-to)	1-11
Number of pages	11
Journal	Agriculture Ecosystems & Environment
Volume	250
Early online date	7 Sept 2017
DOIs	https://doi.org/10.1016/j.agee.2017.08.032
Publication status	Published - 1 Dec 2017

Bibliographical note

This work contributes to the Defra funded projects AC0116: ‘Improving the nitrous oxide inventory’, and AC0114: ‘Data Synthesis, Management and Modelling’. Funding for this work was provided by the UK Department for Environment, Food and Rural Affairs (Defra) AC0116 and AC0114, the Department of Agriculture, Environment and Rural Affairs for Northern Ireland, the Scottish Government and the Welsh Government. Rothamsted Research receives strategic funding from the Biotechnology and Biological Sciences Research Council. This study also contributes to the projects: N-Circle (BB/N013484/1), U-GRASS (NE/M016900/1) and GREENHOUSE (NE/K002589/1).

Keywords

Nitrous oxide emissions
DailyDayCent
Sensitivity analysis
Monte Carlo simulations
Spatial analysis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent
This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/)
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http://www.sciencedirect.com/science/article/pii/S0167880917303894

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Fitton, N., Datta, A., Cloy, J. M., Rees, R. M., Topp, C. F. E., Bell, M. J., Cardenas, L. M., Williams, J., Smith, K., Thorman, R., Watson, C. J., McGeough, K. L., Kuhnert, M., Hastings, A., Anthony, S., Chadwick, D., & Smith, P. (2017). Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent. Agriculture Ecosystems & Environment, 250, 1-11. https://doi.org/10.1016/j.agee.2017.08.032

Fitton, N, Datta, A, Cloy, JM, Rees, RM, Topp, CFE, Bell, MJ, Cardenas, LM, Williams, J, Smith, K, Thorman, R, Watson, CJ, McGeough, KL, Kuhnert, M , Hastings, A, Anthony, S, Chadwick, D & Smith, P 2017, 'Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent', Agriculture Ecosystems & Environment, vol. 250, pp. 1-11. https://doi.org/10.1016/j.agee.2017.08.032

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title = "Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent",

abstract = "Abstract Agricultural soils are the primary source of nitrous oxide emissions due to management practices including fertiliser application. While fertiliser rates are one of the main drivers of nitrous oxide emissions, emissions are also dependent on other variables such as climate and soil properties. To understand the spatial and inter-annual variations in emission rate, simulations of N2O emissions were made from 2000 to 2010 for UK grass and croplands. In addition, the sensitivity of these emissions to soil and climate inputs was also tested. Emissions of between 0.3 to 3.5 kg N ha−1 yr−1 and 0.7–7 kg N ha−1 yr−1 were simulated across UK croplands and grasslands, respectively. While inter-annual variations can be attributed to climate influences, the primary driver of spatial variations in emissions was soil clay content. However, when the sensitivity of nitrous oxide emissions to soil clay content alone was tested, it was not always the best predictor of emissions, when soil texture is altered outside of the normal range used as inputs to the model from different databases.",

keywords = "Nitrous oxide emissions, DailyDayCent, Sensitivity analysis, Monte Carlo simulations, Spatial analysis",

author = "N. Fitton and A. Datta and J.M. Cloy and R.M. Rees and C.F.E. Topp and M.J. Bell and L.M. Cardenas and J. Williams and K. Smith and R. Thorman and C.J. Watson and K.L. McGeough and M. Kuhnert and A. Hastings and S. Anthony and D. Chadwick and P. Smith",

note = "This work contributes to the Defra funded projects AC0116: {\textquoteleft}Improving the nitrous oxide inventory{\textquoteright}, and AC0114: {\textquoteleft}Data Synthesis, Management and Modelling{\textquoteright}. Funding for this work was provided by the UK Department for Environment, Food and Rural Affairs (Defra) AC0116 and AC0114, the Department of Agriculture, Environment and Rural Affairs for Northern Ireland, the Scottish Government and the Welsh Government. Rothamsted Research receives strategic funding from the Biotechnology and Biological Sciences Research Council. This study also contributes to the projects: N-Circle (BB/N013484/1), U-GRASS (NE/M016900/1) and GREENHOUSE (NE/K002589/1).",

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AU - Fitton, N.

AU - Datta, A.

AU - Cloy, J.M.

AU - Rees, R.M.

AU - Topp, C.F.E.

AU - Bell, M.J.

AU - Cardenas, L.M.

AU - Williams, J.

AU - Smith, K.

AU - Thorman, R.

AU - Watson, C.J.

AU - McGeough, K.L.

AU - Kuhnert, M.

AU - Hastings, A.

AU - Anthony, S.

AU - Chadwick, D.

AU - Smith, P.

N1 - This work contributes to the Defra funded projects AC0116: ‘Improving the nitrous oxide inventory’, and AC0114: ‘Data Synthesis, Management and Modelling’. Funding for this work was provided by the UK Department for Environment, Food and Rural Affairs (Defra) AC0116 and AC0114, the Department of Agriculture, Environment and Rural Affairs for Northern Ireland, the Scottish Government and the Welsh Government. Rothamsted Research receives strategic funding from the Biotechnology and Biological Sciences Research Council. This study also contributes to the projects: N-Circle (BB/N013484/1), U-GRASS (NE/M016900/1) and GREENHOUSE (NE/K002589/1).

PY - 2017/12/1

Y1 - 2017/12/1

N2 - Abstract Agricultural soils are the primary source of nitrous oxide emissions due to management practices including fertiliser application. While fertiliser rates are one of the main drivers of nitrous oxide emissions, emissions are also dependent on other variables such as climate and soil properties. To understand the spatial and inter-annual variations in emission rate, simulations of N2O emissions were made from 2000 to 2010 for UK grass and croplands. In addition, the sensitivity of these emissions to soil and climate inputs was also tested. Emissions of between 0.3 to 3.5 kg N ha−1 yr−1 and 0.7–7 kg N ha−1 yr−1 were simulated across UK croplands and grasslands, respectively. While inter-annual variations can be attributed to climate influences, the primary driver of spatial variations in emissions was soil clay content. However, when the sensitivity of nitrous oxide emissions to soil clay content alone was tested, it was not always the best predictor of emissions, when soil texture is altered outside of the normal range used as inputs to the model from different databases.

AB - Abstract Agricultural soils are the primary source of nitrous oxide emissions due to management practices including fertiliser application. While fertiliser rates are one of the main drivers of nitrous oxide emissions, emissions are also dependent on other variables such as climate and soil properties. To understand the spatial and inter-annual variations in emission rate, simulations of N2O emissions were made from 2000 to 2010 for UK grass and croplands. In addition, the sensitivity of these emissions to soil and climate inputs was also tested. Emissions of between 0.3 to 3.5 kg N ha−1 yr−1 and 0.7–7 kg N ha−1 yr−1 were simulated across UK croplands and grasslands, respectively. While inter-annual variations can be attributed to climate influences, the primary driver of spatial variations in emissions was soil clay content. However, when the sensitivity of nitrous oxide emissions to soil clay content alone was tested, it was not always the best predictor of emissions, when soil texture is altered outside of the normal range used as inputs to the model from different databases.

KW - Nitrous oxide emissions

KW - DailyDayCent

KW - Sensitivity analysis

KW - Monte Carlo simulations

KW - Spatial analysis

U2 - 10.1016/j.agee.2017.08.032

DO - 10.1016/j.agee.2017.08.032

M3 - Article

SN - 0167-8809

VL - 250

SP - 1

EP - 11

JO - Agriculture Ecosystems & Environment

JF - Agriculture Ecosystems & Environment

ER -

Modelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent

Abstract

Bibliographical note

Keywords

UN SDGs

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