Articles | Volume 19, issue 7
https://doi.org/10.5194/acp-19-4637-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-4637-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Apr 2019
Research article |
| 08 Apr 2019
| 08 Apr 2019
Analysis of atmospheric CH4 in Canadian Arctic and estimation of the regional CH4 fluxes
Environment and Climate Change Canada, Toronto, M3H 5T4, Canada
Douglas Chan
Environment and Climate Change Canada, Toronto, M3H 5T4, Canada
Doug Worthy
Environment and Climate Change Canada, Toronto, M3H 5T4, Canada
Elton Chan
Environment and Climate Change Canada, Toronto, M3H 5T4, Canada
Felix Vogel
Environment and Climate Change Canada, Toronto, M3H 5T4, Canada
Shamil Maksyutov
Center for Global Environmental Research, National Institute for Environmental Studies, Tsukuba, 305-8506, Japan
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Cited
13 citations as recorded by crossref.
- An Arctic natural oil seep investigated from space to the seafloor G. Panieri et al. 10.1016/j.scitotenv.2023.167788
- Short-term effect of COVID-19 lockdowns on atmospheric CO2, CH4 and PM2.5 concentrations in urban environment E. Gulyaev et al. 10.1007/s13762-022-04314-5
- Eight-Year Estimates of Methane Emissions from Oil and Gas Operations in Western Canada Are Nearly Twice Those Reported in Inventories E. Chan et al. 10.1021/acs.est.0c04117
- Methane Emission Estimates by the Global High-Resolution Inverse Model Using National Inventories F. Wang et al. 10.3390/rs11212489
- Variation Patterns of CO2 and CH4 according to the Measurements in the Surface Atmosphere over Urban and Suburban Areas in 2021–2022 K. Antonov et al. 10.3103/S1068373924050091
- Using ship-borne observations of methane isotopic ratio in the Arctic Ocean to understand methane sources in the Arctic A. Berchet et al. 10.5194/acp-20-3987-2020
- The Canadian atmospheric transport model for simulating greenhouse gas evolution on regional scales: GEM–MACH–GHG v.137-reg J. Kim et al. 10.5194/gmd-13-269-2020
- Recent increases in annual, seasonal, and extreme methane fluxes driven by changes in climate and vegetation in boreal and temperate wetland ecosystems S. Feron et al. 10.1111/gcb.17131
- Interannual Variability of Global Wetlands in Response to El Niño Southern Oscillations (ENSO) and Land-Use S. Ilyas et al. 10.3389/feart.2019.00289
- Estimation of Canada's methane emissions: inverse modelling analysis using the Environment and Climate Change Canada (ECCC) measurement network M. Ishizawa et al. 10.5194/acp-24-10013-2024
- Estimating methane emissions in the Arctic nations using surface observations from 2008 to 2019 S. Wittig et al. 10.5194/acp-23-6457-2023
- Estimating 2010–2015 anthropogenic and natural methane emissions in Canada using ECCC surface and GOSAT satellite observations S. Baray et al. 10.5194/acp-21-18101-2021
- Country-Scale Analysis of Methane Emissions with a High-Resolution Inverse Model Using GOSAT and Surface Observations R. Janardanan et al. 10.3390/rs12030375
13 citations as recorded by crossref.
- An Arctic natural oil seep investigated from space to the seafloor G. Panieri et al. 10.1016/j.scitotenv.2023.167788
- Short-term effect of COVID-19 lockdowns on atmospheric CO2, CH4 and PM2.5 concentrations in urban environment E. Gulyaev et al. 10.1007/s13762-022-04314-5
- Eight-Year Estimates of Methane Emissions from Oil and Gas Operations in Western Canada Are Nearly Twice Those Reported in Inventories E. Chan et al. 10.1021/acs.est.0c04117
- Methane Emission Estimates by the Global High-Resolution Inverse Model Using National Inventories F. Wang et al. 10.3390/rs11212489
- Variation Patterns of CO2 and CH4 according to the Measurements in the Surface Atmosphere over Urban and Suburban Areas in 2021–2022 K. Antonov et al. 10.3103/S1068373924050091
- Using ship-borne observations of methane isotopic ratio in the Arctic Ocean to understand methane sources in the Arctic A. Berchet et al. 10.5194/acp-20-3987-2020
- The Canadian atmospheric transport model for simulating greenhouse gas evolution on regional scales: GEM–MACH–GHG v.137-reg J. Kim et al. 10.5194/gmd-13-269-2020
- Recent increases in annual, seasonal, and extreme methane fluxes driven by changes in climate and vegetation in boreal and temperate wetland ecosystems S. Feron et al. 10.1111/gcb.17131
- Interannual Variability of Global Wetlands in Response to El Niño Southern Oscillations (ENSO) and Land-Use S. Ilyas et al. 10.3389/feart.2019.00289
- Estimation of Canada's methane emissions: inverse modelling analysis using the Environment and Climate Change Canada (ECCC) measurement network M. Ishizawa et al. 10.5194/acp-24-10013-2024
- Estimating methane emissions in the Arctic nations using surface observations from 2008 to 2019 S. Wittig et al. 10.5194/acp-23-6457-2023
- Estimating 2010–2015 anthropogenic and natural methane emissions in Canada using ECCC surface and GOSAT satellite observations S. Baray et al. 10.5194/acp-21-18101-2021
- Country-Scale Analysis of Methane Emissions with a High-Resolution Inverse Model Using GOSAT and Surface Observations R. Janardanan et al. 10.3390/rs12030375
Latest update: 31 Mar 2025
Short summary
The Canadian Arctic has the potential for enhanced methane (CH4) emissions under global warming. However, the regional CH4 emission (fluxes) estimates range widely. This study analyzes recent Canadian Arctic CH4 observations and estimates the regional emissions. The additional observations yield robust CH4 flux estimates and enable the partitioning of the CH4 sources into wetland and forest fires. The results indicate that years with warmer summer conditions result in more wetland CH4 emissions.
The Canadian Arctic has the potential for enhanced methane (CH4) emissions under global warming....
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