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Global patterns of nitrate storage in the vadose zone

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Global patterns of nitrate storage in the vadose zone. / Ascott, M J; Gooddy, Daren; Wang, L et al.
In: Nature Communications, Vol. 8, 1416, 10.11.2017.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ascott, MJ, Gooddy, D, Wang, L, Stuart, ME, Lewis, MA, Ward, RS & Binley, AM 2017, 'Global patterns of nitrate storage in the vadose zone', Nature Communications, vol. 8, 1416. https://doi.org/10.1038/s41467-017-01321-w

APA

Ascott, M. J., Gooddy, D., Wang, L., Stuart, M. E., Lewis, M. A., Ward, R. S., & Binley, A. M. (2017). Global patterns of nitrate storage in the vadose zone. Nature Communications, 8, Article 1416. https://doi.org/10.1038/s41467-017-01321-w

Vancouver

Ascott MJ, Gooddy D, Wang L, Stuart ME, Lewis MA, Ward RS et al. Global patterns of nitrate storage in the vadose zone. Nature Communications. 2017 Nov 10;8:1416. doi: 10.1038/s41467-017-01321-w

Author

Ascott, M J ; Gooddy, Daren ; Wang, L et al. / Global patterns of nitrate storage in the vadose zone. In: Nature Communications. 2017 ; Vol. 8.

Bibtex

@article{b152329a6f124137b7da74e0b0cd9343,
title = "Global patterns of nitrate storage in the vadose zone",
abstract = "Global-scale nitrogen (N) budgets developed to quantify anthropogenic impacts on the nitrogen cycle do not explicitly consider nitrate stored in the vadose zone. Here we show that the vadose zone is an important store of nitrate which should be considered in future budgets for effective policymaking. Using estimates of groundwater depth and nitrate leaching for 1900-2000, we quantify the peak global storage of nitrate in the vadose zone as 605 - 1814 Teragrams (Tg). Estimates of nitrate storage are validated using basin and national scale estimates and observed groundwater nitrate data. Nitrate storage per unit area is greatest in North America, China and Europe where there are thick vadose zones and extensive historical agriculture. In these areas long travel times in the vadose zone may delay the impact of changes in agricultural practices on groundwater quality. We argue that in these areas use of conventional nitrogen budget approaches is inappropriate.",
author = "Ascott, {M J} and Daren Gooddy and L Wang and M.E. Stuart and M.A. Lewis and R.S. Ward and Binley, {Andrew Mark}",
year = "2017",
month = nov,
day = "10",
doi = "10.1038/s41467-017-01321-w",
language = "English",
volume = "8",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Nature Publishing Group",

}

RIS

TY - JOUR

T1 - Global patterns of nitrate storage in the vadose zone

AU - Ascott, M J

AU - Gooddy, Daren

AU - Wang, L

AU - Stuart, M.E.

AU - Lewis, M.A.

AU - Ward, R.S.

AU - Binley, Andrew Mark

PY - 2017/11/10

Y1 - 2017/11/10

N2 - Global-scale nitrogen (N) budgets developed to quantify anthropogenic impacts on the nitrogen cycle do not explicitly consider nitrate stored in the vadose zone. Here we show that the vadose zone is an important store of nitrate which should be considered in future budgets for effective policymaking. Using estimates of groundwater depth and nitrate leaching for 1900-2000, we quantify the peak global storage of nitrate in the vadose zone as 605 - 1814 Teragrams (Tg). Estimates of nitrate storage are validated using basin and national scale estimates and observed groundwater nitrate data. Nitrate storage per unit area is greatest in North America, China and Europe where there are thick vadose zones and extensive historical agriculture. In these areas long travel times in the vadose zone may delay the impact of changes in agricultural practices on groundwater quality. We argue that in these areas use of conventional nitrogen budget approaches is inappropriate.

AB - Global-scale nitrogen (N) budgets developed to quantify anthropogenic impacts on the nitrogen cycle do not explicitly consider nitrate stored in the vadose zone. Here we show that the vadose zone is an important store of nitrate which should be considered in future budgets for effective policymaking. Using estimates of groundwater depth and nitrate leaching for 1900-2000, we quantify the peak global storage of nitrate in the vadose zone as 605 - 1814 Teragrams (Tg). Estimates of nitrate storage are validated using basin and national scale estimates and observed groundwater nitrate data. Nitrate storage per unit area is greatest in North America, China and Europe where there are thick vadose zones and extensive historical agriculture. In these areas long travel times in the vadose zone may delay the impact of changes in agricultural practices on groundwater quality. We argue that in these areas use of conventional nitrogen budget approaches is inappropriate.

U2 - 10.1038/s41467-017-01321-w

DO - 10.1038/s41467-017-01321-w

M3 - Journal article

VL - 8

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

M1 - 1416

ER -