Methane and nitrous oxide emissions from land

JM Cloy; Keith A. Smith

doi:10.1016/B978-0-12-822974-3.00023-9

Methane and nitrous oxide emissions from land

JM Cloy^*
, Keith A. Smith^*

^*Corresponding author for this work

CSS : Soils & Systems

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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Abstract

Accumulation of the greenhouse gases carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) in the Earth's atmosphere, resulting from human activities, is responsible for recent global heating and associated climate change. Natural soil emissions of CH4 and N2O are substantial, and increase after land conversion to agriculture, e.g., flooded rice fields release CH4 and manures and synthetic nitrogen fertilizers promote the release of N2O. Some mitigation of N2O emission is achievable by improved nitrogen use efficiency. Replacement of fossil fuels by crop-based biofuels is controversial, because reduced CO2 emissions can be largely offset by increases in those of N2O.

Original language	English
Title of host publication	Encyclopedia of Soils in the Environment
Subtitle of host publication	Reference Module in Earth Systems and Environmental Sciences
Publisher	Elsevier
DOIs	https://doi.org/10.1016/B978-0-12-822974-3.00023-9
Publication status	First published - 1 Feb 2022

Publication series

Name	Reference Module in Earth Systems and Environmental Sciences

UN SDGs

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

SDG 13 Climate Action

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10.1016/B978-0-12-822974-3.00023-9Licence: CC BY-NC-ND

CloySmith revision 2021_final 31-08-21Accepted author manuscript, 2.26 MBLicence: CC BY-NC-ND

Cite this

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title = "Methane and nitrous oxide emissions from land",

abstract = "Accumulation of the greenhouse gases carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) in the Earth's atmosphere, resulting from human activities, is responsible for recent global heating and associated climate change. Natural soil emissions of CH4 and N2O are substantial, and increase after land conversion to agriculture, e.g., flooded rice fields release CH4 and manures and synthetic nitrogen fertilizers promote the release of N2O. Some mitigation of N2O emission is achievable by improved nitrogen use efficiency. Replacement of fossil fuels by crop-based biofuels is controversial, because reduced CO2 emissions can be largely offset by increases in those of N2O.",

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AU - Smith, Keith A.

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AB - Accumulation of the greenhouse gases carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) in the Earth's atmosphere, resulting from human activities, is responsible for recent global heating and associated climate change. Natural soil emissions of CH4 and N2O are substantial, and increase after land conversion to agriculture, e.g., flooded rice fields release CH4 and manures and synthetic nitrogen fertilizers promote the release of N2O. Some mitigation of N2O emission is achievable by improved nitrogen use efficiency. Replacement of fossil fuels by crop-based biofuels is controversial, because reduced CO2 emissions can be largely offset by increases in those of N2O.

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DO - 10.1016/B978-0-12-822974-3.00023-9

M3 - Chapter

T3 - Reference Module in Earth Systems and Environmental Sciences

BT - Encyclopedia of Soils in the Environment

PB - Elsevier

ER -

Methane and nitrous oxide emissions from land

Abstract

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UN SDGs

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