Unprocessed Atmospheric Nitrate in Waters of the Northern Forest Region in the U.S. and Canada

Stephen D. Sebestyen, Donald S. Ross, James B. Shanley, Emily M. Elliott, Carol Kendall, John L. Campbell, D. Bryan Dail, Ivan J. Fernandez, Christine L. Goodale, Gregory B. Lawrence, Gary M. Lovett, Patrick J. McHale, Myron J. Mitchell, Sarah J. Nelson, Michelle D. Shattuck, Trent R. Wickman, Rebecca T. Barnes, Joel T. Bostic, Anthony R. Buda, Douglas A. Burns & 10 others Keith N. Eshleman, Jacques C Finlay, David M. Nelson, Nobuhito Ohte, Linda H. Pardo, Lucy A. Rose, Robert D. Sabo, Sherry L. Schiff, John Spoelstra, Karl W.J. Williard

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Little is known about the regional extent and variability of nitrate from atmospheric deposition that is transported to streams without biological processing in forests. We measured water chemistry and isotopic tracers (δ 18 O and δ 15 N) of nitrate sources across the Northern Forest Region of the U.S. and Canada and reanalyzed data from other studies to determine when, where, and how unprocessed atmospheric nitrate was transported in catchments. These inputs were more widespread and numerous than commonly recognized, but with high spatial and temporal variability. Only 6 of 32 streams had high fractions (>20%) of unprocessed atmospheric nitrate during baseflow. Seventeen had high fractions during stormflow or snowmelt, which corresponded to large fractions in near-surface soil waters or groundwaters, but not deep groundwater. The remaining 10 streams occasionally had some (<20%) unprocessed atmospheric nitrate during stormflow or baseflow. Large, sporadic events may continue to be cryptic due to atmospheric deposition variation among storms and a near complete lack of monitoring for these events. A general lack of observance may bias perceptions of occurrence; sustained monitoring of chronic nitrogen pollution effects on forests with nitrate source apportionments may offer insights needed to advance the science as well as assess regulatory and management schemes.

Original languageEnglish (US)
Pages (from-to)3620-3633
Number of pages14
JournalEnvironmental Science and Technology
Volume53
Issue number7
DOIs
StatePublished - Apr 2 2019

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Nitrates
nitrate
Water
baseflow
atmospheric deposition
water
Groundwater
pollution effect
groundwater
Monitoring
monitoring
snowmelt
water chemistry
Catchments
Pollution
Nitrogen
soil water
tracer
catchment
surface water

Cite this

Sebestyen, S. D., Ross, D. S., Shanley, J. B., Elliott, E. M., Kendall, C., Campbell, J. L., ... Williard, K. W. J. (2019). Unprocessed Atmospheric Nitrate in Waters of the Northern Forest Region in the U.S. and Canada. Environmental Science and Technology, 53(7), 3620-3633. https://doi.org/10.1021/acs.est.9b01276

Unprocessed Atmospheric Nitrate in Waters of the Northern Forest Region in the U.S. and Canada. / Sebestyen, Stephen D.; Ross, Donald S.; Shanley, James B.; Elliott, Emily M.; Kendall, Carol; Campbell, John L.; Dail, D. Bryan; Fernandez, Ivan J.; Goodale, Christine L.; Lawrence, Gregory B.; Lovett, Gary M.; McHale, Patrick J.; Mitchell, Myron J.; Nelson, Sarah J.; Shattuck, Michelle D.; Wickman, Trent R.; Barnes, Rebecca T.; Bostic, Joel T.; Buda, Anthony R.; Burns, Douglas A.; Eshleman, Keith N.; Finlay, Jacques C; Nelson, David M.; Ohte, Nobuhito; Pardo, Linda H.; Rose, Lucy A.; Sabo, Robert D.; Schiff, Sherry L.; Spoelstra, John; Williard, Karl W.J.

In: Environmental Science and Technology, Vol. 53, No. 7, 02.04.2019, p. 3620-3633.

Research output: Contribution to journalArticle

Sebestyen, SD, Ross, DS, Shanley, JB, Elliott, EM, Kendall, C, Campbell, JL, Dail, DB, Fernandez, IJ, Goodale, CL, Lawrence, GB, Lovett, GM, McHale, PJ, Mitchell, MJ, Nelson, SJ, Shattuck, MD, Wickman, TR, Barnes, RT, Bostic, JT, Buda, AR, Burns, DA, Eshleman, KN, Finlay, JC, Nelson, DM, Ohte, N, Pardo, LH, Rose, LA, Sabo, RD, Schiff, SL, Spoelstra, J & Williard, KWJ 2019, 'Unprocessed Atmospheric Nitrate in Waters of the Northern Forest Region in the U.S. and Canada', Environmental Science and Technology, vol. 53, no. 7, pp. 3620-3633. https://doi.org/10.1021/acs.est.9b01276
Sebestyen, Stephen D. ; Ross, Donald S. ; Shanley, James B. ; Elliott, Emily M. ; Kendall, Carol ; Campbell, John L. ; Dail, D. Bryan ; Fernandez, Ivan J. ; Goodale, Christine L. ; Lawrence, Gregory B. ; Lovett, Gary M. ; McHale, Patrick J. ; Mitchell, Myron J. ; Nelson, Sarah J. ; Shattuck, Michelle D. ; Wickman, Trent R. ; Barnes, Rebecca T. ; Bostic, Joel T. ; Buda, Anthony R. ; Burns, Douglas A. ; Eshleman, Keith N. ; Finlay, Jacques C ; Nelson, David M. ; Ohte, Nobuhito ; Pardo, Linda H. ; Rose, Lucy A. ; Sabo, Robert D. ; Schiff, Sherry L. ; Spoelstra, John ; Williard, Karl W.J. / Unprocessed Atmospheric Nitrate in Waters of the Northern Forest Region in the U.S. and Canada. In: Environmental Science and Technology. 2019 ; Vol. 53, No. 7. pp. 3620-3633.
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