Articles | Volume 20, issue 5
https://doi.org/10.5194/bg-20-971-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-971-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Mar 2023
Research article |
| 09 Mar 2023
| 09 Mar 2023
Atmospheric deposition of reactive nitrogen to a deciduous forest in the southern Appalachian Mountains
John T. Walker
CORRESPONDING AUTHOR
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
Xi Chen
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
now at: U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Durham, NC, USA
Zhiyong Wu
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
now at: RTI International, Durham, NC, USA
Donna Schwede
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
retired
Ryan Daly
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
now at: Boulder A.I.R. LLC, Boulder, CO, USA
Aleksandra Djurkovic
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
A. Christopher Oishi
U.S. Department of Agriculture, Forest Service, Southern Research Station, Coweeta Hydrologic Laboratory, Otto, NC, USA
Eric Edgerton
Atmospheric Research & Analysis, Inc., Cary, NC, USA
Jesse Bash
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
Jennifer Knoepp
U.S. Department of Agriculture, Forest Service, Southern Research Station, Coweeta Hydrologic Laboratory, Otto, NC, USA
retired
Melissa Puchalski
U.S. Environmental Protection Agency, Office of Air and Radiation, Washington, DC, USA
John Iiames
U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC, USA
Chelcy F. Miniat
U.S. Department of Agriculture, Forest Service, Southern Research Station, Coweeta Hydrologic Laboratory, Otto, NC, USA
now at: U.S. Department of Agriculture, Forest Service, Albuquerque, NM, USA
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Cited
6 citations as recorded by crossref.
- Estimating source-sink distributions and fluxes of reactive nitrogen and sulfur within a mixed forest canopy Z. Wu et al. 10.1016/j.agrformet.2023.109386
- Spatial Distribution of Ammonia Concentrations and Modeled Dry Deposition in an Intensive Dairy Production Region A. Leytem et al. 10.3390/atmos15010015
- 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
- Field intercomparison of continuous ambient FRM and FEM NO 2 instruments in the Athabasca Oil Sands Region, Alberta, Canada and the potential impact on ambient regulatory compliance M. Landis & E. Edgerton 10.1080/10962247.2023.2279169
- An analysis of CMAQ gas-phase dry deposition over North America through grid-scale and land-use-specific diagnostics in the context of AQMEII4 C. Hogrefe et al. 10.5194/acp-23-8119-2023
- Vertical profile and flux measurements of ammonia in a deciduous forest in Japan towards improvement of bi-directional exchange model M. Xu et al. 10.1016/j.atmosenv.2023.120144
6 citations as recorded by crossref.
- Estimating source-sink distributions and fluxes of reactive nitrogen and sulfur within a mixed forest canopy Z. Wu et al. 10.1016/j.agrformet.2023.109386
- Spatial Distribution of Ammonia Concentrations and Modeled Dry Deposition in an Intensive Dairy Production Region A. Leytem et al. 10.3390/atmos15010015
- 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
- Field intercomparison of continuous ambient FRM and FEM NO 2 instruments in the Athabasca Oil Sands Region, Alberta, Canada and the potential impact on ambient regulatory compliance M. Landis & E. Edgerton 10.1080/10962247.2023.2279169
- An analysis of CMAQ gas-phase dry deposition over North America through grid-scale and land-use-specific diagnostics in the context of AQMEII4 C. Hogrefe et al. 10.5194/acp-23-8119-2023
- Vertical profile and flux measurements of ammonia in a deciduous forest in Japan towards improvement of bi-directional exchange model M. Xu et al. 10.1016/j.atmosenv.2023.120144
Latest update: 19 Apr 2024
Short summary
Better estimates of atmospheric nitrogen (N) deposition are needed to accurately assess ecosystem risk and impacts from deposition of nutrients and acidity. Using measurements and modeling, we estimate total N deposition of 6.7 kg N ha−1 yr−1 at a forest site in the southern Appalachian Mountains, a region sensitive to atmospheric deposition. Reductions in deposition of reduced forms of N (ammonia and ammonium) will be needed to meet the lowest estimates of N critical loads for the region.
Better estimates of atmospheric nitrogen (N) deposition are needed to accurately assess...
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