Multimodel Evaluation of Nitrous Oxide Emissions From an Intensively Managed Grassland
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چکیده
منابع مشابه
Nitrous oxide emissions from managed grassland: a comparison of eddy covariance and static chamber measurements
Managed grasslands are known to be an important source of N2O with estimated global losses of 2.5 Tg N2ON yr−1. Chambers are to date the most widely used method to measure N2O fluxes, but also micrometeorological methods are successfully applied. In this paper we present a comparison of N2O fluxes measured by non-steady state chambers and eddy covariance (EC) (using an ultra-sonic anemometer co...
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Ammonia fluxes in relation to cutting and fertilization of an intensively managed grassland derived from an inter-comparison of gradient measurements C. Milford, M. R. Theobald, E. Nemitz, K. J. Hargreaves, L. Horvath, J. Raso, U. Dämmgen, A. Neftel, S. K.Jones, A. Hensen, B. Loubet, P. Cellier, and M. A. Sutton Centre for Ecology and Hydrology (Edinburgh Research Station), Bush Estate, Penicui...
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Concentrations of N20 in the global atmosphere have been rising over the last 20 yr at about 0.8 parts per billion volumetric (ppbv) or 0.25% yr1 to the 310 ppbv present in today's atmosphere (Fig. 6-1; Elkins and Rossen, 1989). Ice core data that indicate concentrations of around 280 ppbv in the preindustrial atmosphere (e.g., Pearman et al., 1986) suggest that this rise reflects a long-term t...
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Accumulation of soluble salts resulting from fertilizer N may affect microbial production of N(2)O and CO(2) in soils. This study was conducted to determine the effects of electrical conductivity (EC) and water content on N(2)O and CO(2) production in five soils under intensive cropping. Surface soils from maize fields were washed, repacked and brought to 60% or 90% water-filled pore space (WFP...
متن کاملNitrous oxide emissions
H. W. Bange1,7, M. O. Andreae1, S. Lal2, C. S. Law3, S. W. A. Naqvi4, P. K. Patra2,8, T. Rixen5,9, and R. C. Upstill-Goddard6 1Max Planck Institute for Chemistry, Mainz, Germany 2Physical Research Laboratory, Ahmedabad, India 3Plymouth Marine Laboratory, Plymouth, United Kingdom 4National Institute of Oceanography, Dona Paula, Goa, India 5University of Hamburg, Hamburg, Germany 6University of N...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Biogeosciences
سال: 2020
ISSN: 2169-8953,2169-8961
DOI: 10.1029/2019jg005261