Cited by 497Atmospheric and Environmental Gas DynamicsRice Cultivation and Yield ImprovementPeatlands and Wetlands Ecology

Global estimations of the inventory and mitigation potential of methane emissions from rice cultivation conducted using the 2006 Intergovernmental Panel on Climate Change Guidelines

Yan, Xiaoyuan, Akiyama, Hiroko, Yagi, Kazuyuki, Akimoto, Hajime·2009·Global Biogeochemical Cycles

Abstract

The Intergovernmental Panel on Climate Change (IPCC) regularly publishes guidelines for national greenhouse gas inventories and methane emission (CH 4 ) from rice paddies has been an important component of these guidelines. While there have been many estimates of global CH 4 emissions from rice fields, none of them have been obtained using the IPCC guidelines. Therefore, we used the Tier 1 method described in the 2006 IPCC guidelines to estimate the global CH 4 emissions from rice fields. To accomplish this, we used country‐specific statistical data regarding rice harvest areas and expert estimates of relevant agricultural activities. The estimated global emission for 2000 was 25.6 Tg a −1 , which is at the lower end of earlier estimates and close to the total emission summarized by individual national communications. Monte Carlo simulation revealed a 95% uncertainty range of 14.8–41.7 Tg a −1 ; however, the estimation uncertainty was found to depend on the reliability of the information available regarding the amount of organic amendments and the area of rice fields that were under continuous flooding. We estimated that if all of the continuously flooded rice fields were drained at least once during the growing season, the CH 4 emissions would be reduced by 4.1 Tg a −1 . Furthermore, we estimated that applying rice straw off season wherever and whenever possible would result in a further reduction in emissions of 4.1 Tg a −1 globally. Finally, if both of these mitigation options were adopted, the global CH 4 emission from rice paddies could be reduced by 7.6 Tg a −1 . Although draining continuously flooded rice fields may lead to an increase in nitrous oxide (N 2 O) emission, the global warming potential resulting from this increase is negligible when compared to the reduction in global warming potential that would result from the CH 4 reduction associated with draining the fields.

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Crossref · 10.1029/2008gb003299

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  • Modified rice drainage and straw incorporation practices could reduce global CH4 emissions from rice cultivation by up to 30%.

    “it has been estimated that modified rice drainage and straw incorporation practices could reduce global CH4 emissions from rice cultivation by up to 30%”

    From Greenhouse gas mitigation by agricultural intensification (2010) · cites this paper as [14]

  • Methane emissions from rice cultivation and GHGs from the burning of rice straw were calculated following the methodology outlined by Yan et al.

    “We follow the methodology outlined by Yan ([14](#r14), [51](#r51)) to calculate methane emissions from rice cultivation and GHGs from the burning of rice straw.”

    From Greenhouse gas mitigation by agricultural intensification (2010) · cites this paper as [14]

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Authors
Yan, X., Akiyama, H., Yagi, K., & Akimoto, H.
Affiliations
  • Chinese Academy of Sciences (CN)
  • National Institute for Agro-Environmental Sciences (JP)
  • Japan Agency for Marine-Earth Science and Technology (JP)
Venue
Global Biogeochemical Cycles
Published
2009-04-03
Volume
23
Issue
2
ISSN
  • 0886-6236 (ISSN-L)
  • 1944-9224
OpenAlex
W1717785997
Cited by
497
References
46
Citations by year
2026: 26 · 2025: 42 · 2024: 31 · 2023: 30 · 2022: 45 · 2021: 40 · 2020: 33 · 2019: 24 · 2018: 31 · 2017: 31 · 2016: 33 · 2015: 26 · 2014: 25 · 2013: 24 · 2012: 23
FWCI
15.68
Type
journal article
Language
en
Open access
closed
Locations
Global Biogeochemical Cycles (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Rice Cultivation and Yield Improvement
  • Physical Sciences › Environmental Science › Ecology › Peatlands and Wetlands Ecology
Keywords
methane emissions, paddy fields, greenhouse gas inventory, global emission estimates, emission reduction potential, rice straw management, continuous flooding, field drainage, nitrous oxide emissions, global warming potential, agricultural emissions

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