Estimation of indirect nitrous oxide emissions from a shallow aquifer in northern Germany

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Carolin Von Der Heide
  • Jürgen Böttcher
  • Markus Deurer
  • Wilhelmus H.M. Duijnisveld
  • Daniel Weymann
  • Reinhard Well

Externe Organisationen

  • New Zealand Institute for Plant & Food Research Limited (Plant & Food Research)
  • Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)
  • Georg-August-Universität Göttingen
  • Johann Heinrich von Thünen-Institut, Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei
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Details

OriginalspracheEnglisch
Seiten (von - bis)2161-2171
Seitenumfang11
FachzeitschriftJournal of environmental quality
Jahrgang38
Ausgabenummer6
PublikationsstatusVeröffentlicht - 1 Nov. 2009

Abstract

Ground water is considered to be an important source for indirect N 2O emissions. We investigated indirect N2O emissions from a shallow aquifer in Germany over a 1-yr period. Because N2O accumulated in considerable amounts in the surface ground water (mean, 52.86 μg N2O-N L-1) and corresponding fluxes were high (up to 34 μg N2O-N m-2 h-1), it was hypothesized that significant indirect N2O emissions would occur via the vertical and the lateral emission pathway. Vertical N2O emissions were investigated by measuring N2O concentrations and calculating fluxes from the surface ground water to the unsaturated zone and at the soil surface. Lateral N2O fluxes were investigated by measuring ground water N 2O and NO3 - concentrations at five multilevel wells and at a waterworks well. Negligible amounts of N2O were emitted vertically into the unsaturated zone; most of it was convectively transported into the deeper autotrophic denitrification zone. Only a ground water level fall and rise triggered the emission of N2O (up to 3 μg N2O-N m-2 h-1) into the unsaturated zone. Ground water-derived N2O was probably reduced during the upward diffusion, and soil surface emissions were governed by topsoil processes. Along the lateral pathway, N2O and NO3 - concentrations decreased with increasing depth in the aquifer. Discharging ground water was almost free of N2O and NO3 -, and indirect N2O emissions were small.

ASJC Scopus Sachgebiete

Zitieren

Estimation of indirect nitrous oxide emissions from a shallow aquifer in northern Germany. / Von Der Heide, Carolin; Böttcher, Jürgen; Deurer, Markus et al.
in: Journal of environmental quality, Jahrgang 38, Nr. 6, 01.11.2009, S. 2161-2171.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Von Der Heide, C, Böttcher, J, Deurer, M, Duijnisveld, WHM, Weymann, D & Well, R 2009, 'Estimation of indirect nitrous oxide emissions from a shallow aquifer in northern Germany', Journal of environmental quality, Jg. 38, Nr. 6, S. 2161-2171. https://doi.org/10.2134/jeq2008.0320
Von Der Heide, C., Böttcher, J., Deurer, M., Duijnisveld, W. H. M., Weymann, D., & Well, R. (2009). Estimation of indirect nitrous oxide emissions from a shallow aquifer in northern Germany. Journal of environmental quality, 38(6), 2161-2171. https://doi.org/10.2134/jeq2008.0320
Von Der Heide C, Böttcher J, Deurer M, Duijnisveld WHM, Weymann D, Well R. Estimation of indirect nitrous oxide emissions from a shallow aquifer in northern Germany. Journal of environmental quality. 2009 Nov 1;38(6):2161-2171. doi: 10.2134/jeq2008.0320
Von Der Heide, Carolin ; Böttcher, Jürgen ; Deurer, Markus et al. / Estimation of indirect nitrous oxide emissions from a shallow aquifer in northern Germany. in: Journal of environmental quality. 2009 ; Jahrgang 38, Nr. 6. S. 2161-2171.
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AU - Deurer, Markus

AU - Duijnisveld, Wilhelmus H.M.

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