Simulation of daily Nitrous Oxide emissions from managed peat soils

P.C. Stolk, R.F.A. Hendriks, C.M.J. Jacobs, J. Duyzer, E.J. Moors, J.W. van Groenigen, P.S. Kroon, A.P. Schrier-Uijl, E.M. Veenendaal, P. Kabat

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

Simulation of emissions of the greenhouse gas N2O from agricultural land is still a challenge. This is mainly due to its high temporal variability, with low background emissions and a few transient peaks. In this study, a first attempt was made to simulate observations of N2O fluxes with a daily time step from managed peat soils. We used a new N2O module added to the extensively tested hydrological–biogeochemical model combination SWAP-ANIMO, hypothesizing that accurate simulation of the controlling factors would imply accurate simulation of the dynamics of the N2O emissions as well. We used daily N2O emission data from three sites in the Netherlands, with complementary data on soil moisture, mineral N content, and soil N2O concentration. Simulation of soil moisture, mineral N, and N2O concentration was reasonable to good. Still, simulation of the daily N2O emissions was poor, with model efficiencies
Original languageEnglish
Pages (from-to)156-168
JournalVadose Zone Journal
Volume10
Issue number1
DOIs
Publication statusPublished - 2011

Keywords

  • covariance flux measurements
  • n2o emissions
  • water-flow
  • grazed grasslands
  • model development
  • rainfall events
  • co2 exchange
  • forest soils
  • new-zealand
  • denitrification

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