Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 344029
Title New estimates of global emissions of N2O from rivers and estuaries
Author(s) Kroeze, C.; Dumont, E.L.; Seitzinger, S.P.
Source Environmental Sciences 2 (2005)2-3. - ISSN 1569-3430 - p. 159 - 165.
DOI https://doi.org/10.1080/15693430500384671
Department(s) Environmental Systems Analysis Group
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2005
Abstract We present new estimates of emissions of nitrous oxide (N2O) from rivers and estuaries, using the NEWS-DIN model. NEWS-DIN is a model of the global transport of dissolved inorganic nitrogen (DIN) by rivers to coastal waters (Dumont et al. forthcoming). It calculates DIN export rates as a function of watershed characteristics, including human influences. We used the calculated DIN export rates by river to estimate emissions of N2O from aquatic systems. Our new estimates for N2O emissions from rivers and estuaries are 1.26 and 0.25 Tg N/year, respectively, totaling to 1.5 Tg N/y. These estimates are somewhat higher than earlier estimates. Next we investigated the consequences of our new estimates for the global N2O budget. We did this by running an atmospheric box model and comparing the results to observed values from different monitoring networks. The results indicate that the global budget using the new NEWS-DIN estimates for aquatic N2O emissions is in good agreement with observed concentrations
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