Articles | Volume 22, issue 22
https://doi.org/10.5194/acp-22-14631-2022
© Author(s) 2022. 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-22-14631-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Nov 2022
Research article |
| 18 Nov 2022
| 18 Nov 2022
Long-term declines in atmospheric nitrogen and sulfur deposition reduce critical loads exceedances at multiple Canadian rural sites, 2000–2018
Irene Cheng
CORRESPONDING AUTHOR
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Zhuanshi He
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Hazel Cathcart
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Daniel Houle
Aquatic Contaminants Research Division, Water Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Montréal, Quebec H2Y 2E7, Canada
Amanda Cole
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Jian Feng
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Jason O'Brien
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Anne Marie Macdonald
Air Quality Research Division, Atmospheric Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
Julian Aherne
School of Environment, Trent University, Peterborough, Ontario K9L 0G2, Canada
Jeffrey Brook
Dalla Lana School of Public Health and Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5T 3M7, Canada
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Cited
14 citations as recorded by crossref.
- A Decadal Change in Atmospheric Nitrogen Deposition at a Rural Site in Southern China K. Ren et al. 10.3390/atmos15050583
- Contribution of emissions from the oil sands activities in Alberta, Canada to atmospheric concentration and deposition of nitrogen and sulfur species at a downwind site Y. You et al. 10.1016/j.envpol.2024.124301
- Nutritional response of sugar maple seedlings to water stress under highly nitrogen‐enriched soil conditions E. Masson et al. 10.1002/jpln.202300034
- Estimating nitrogen and sulfur deposition across China during 2005 to 2020 based on multiple statistical models K. Zhou et al. 10.5194/acp-23-8531-2023
- Sulfur improves cookie-making quality by modulating protein composition and structure in wheat grown under shading H. Yang et al. 10.1016/j.lwt.2024.117252
- Inter-comparison of measurements of inorganic chemical components in precipitation from NADP and CAPMoN at collocated sites in the USA and Canada during 1986–2019 J. Feng et al. 10.1007/s10661-023-11771-z
- Long-term temporal response of eastern canadian lakes chemistry along a large spatial gradient of atmospheric sulfate deposition F. Mazoyer & D. Houle 10.1016/j.envpol.2024.125498
- Projected global sulfur deposition with climate intervention H. Rubin et al. 10.1016/j.gecadv.2024.100011
- Evaluation of the potential of bryophytes to support seedlings development on waste rocks: a mesocosm study S. Malo et al. 10.1139/cjss-2024-0069
- Regional evaluation and estimates of atmospheric nitrogen deposition for United States hydrologic units and ecoregions S. Akter et al. 10.1016/j.atmosenv.2023.120149
- Climate-Driven Increases in Source Water Natural Organic Matter: Implications for the Sustainability of Drinking Water Treatment R. Swinamer et al. 10.1021/acs.est.4c01894
- Detailed analysis of air pollution in the Canadian prairie region: A step toward net-zero emission A. Ghahremanlou & D. Ghahremanlou 10.1016/j.scitotenv.2025.178492
- Atmospheric organic nitrogen deposition around the Danjiangkou Reservoir: Fluxes, characteristics and evidence of agricultural source Q. Zhang et al. 10.1016/j.envpol.2023.122906
- Revisiting the role of sulfur in crop production: A narrative review R. Sharma et al. 10.1016/j.jafr.2024.101013
14 citations as recorded by crossref.
- A Decadal Change in Atmospheric Nitrogen Deposition at a Rural Site in Southern China K. Ren et al. 10.3390/atmos15050583
- Contribution of emissions from the oil sands activities in Alberta, Canada to atmospheric concentration and deposition of nitrogen and sulfur species at a downwind site Y. You et al. 10.1016/j.envpol.2024.124301
- Nutritional response of sugar maple seedlings to water stress under highly nitrogen‐enriched soil conditions E. Masson et al. 10.1002/jpln.202300034
- Estimating nitrogen and sulfur deposition across China during 2005 to 2020 based on multiple statistical models K. Zhou et al. 10.5194/acp-23-8531-2023
- Sulfur improves cookie-making quality by modulating protein composition and structure in wheat grown under shading H. Yang et al. 10.1016/j.lwt.2024.117252
- Inter-comparison of measurements of inorganic chemical components in precipitation from NADP and CAPMoN at collocated sites in the USA and Canada during 1986–2019 J. Feng et al. 10.1007/s10661-023-11771-z
- Long-term temporal response of eastern canadian lakes chemistry along a large spatial gradient of atmospheric sulfate deposition F. Mazoyer & D. Houle 10.1016/j.envpol.2024.125498
- Projected global sulfur deposition with climate intervention H. Rubin et al. 10.1016/j.gecadv.2024.100011
- Evaluation of the potential of bryophytes to support seedlings development on waste rocks: a mesocosm study S. Malo et al. 10.1139/cjss-2024-0069
- Regional evaluation and estimates of atmospheric nitrogen deposition for United States hydrologic units and ecoregions S. Akter et al. 10.1016/j.atmosenv.2023.120149
- Climate-Driven Increases in Source Water Natural Organic Matter: Implications for the Sustainability of Drinking Water Treatment R. Swinamer et al. 10.1021/acs.est.4c01894
- Detailed analysis of air pollution in the Canadian prairie region: A step toward net-zero emission A. Ghahremanlou & D. Ghahremanlou 10.1016/j.scitotenv.2025.178492
- Atmospheric organic nitrogen deposition around the Danjiangkou Reservoir: Fluxes, characteristics and evidence of agricultural source Q. Zhang et al. 10.1016/j.envpol.2023.122906
- Revisiting the role of sulfur in crop production: A narrative review R. Sharma et al. 10.1016/j.jafr.2024.101013
Latest update: 21 Jan 2025
Short summary
Nitrogen (N) and sulfur (S) deposition decreased significantly at 14 Canadian sites during 2000–2018. The greatest decline was observed in southeastern Canada owing to regional SO2 and NOx reductions. Wet deposition was more important than dry deposition, comprising 71–95 % of total N and 45–89 % of total S deposition. While critical loads (CLs) were exceeded at a few sites in the early 2000s, acidic deposition declined below CLs after 2012, which signifies recovery from legacy acidification.
Nitrogen (N) and sulfur (S) deposition decreased significantly at 14 Canadian sites during...
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