Počet záznamů: 1

Diurnal fluxes of CO.sub.2./sub. and N.sub.2./sub.O from cattle-impacted soil and implications for emission estimates

  1. 1.
    0350245 - BC-A 2011 RIV CZ eng J - Článek v odborném periodiku
    Šimek, Miloslav - Brůček, Petr - Hynšt, Jaroslav
    Diurnal fluxes of CO2 and N2O from cattle-impacted soil and implications for emission estimates.
    Plant, Soil and Environment. Roč. 56, č. 10 (2010), s. 451-457 ISSN 1214-1178
    Grant CEP: GA AV ČR IAA600660605; GA MŠk LC06066
    Grant ostatní: MŠMT(CZ) 21-1072/2004
    Výzkumný záměr: CEZ:AV0Z60660521
    Klíčová slova: greenhouse gas * emission estimates * nitrous oxide
    Kód oboru RIV: EH - Ekologie - společenstva
    Impakt faktor: 1.076, rok: 2010

    Short-term diurnal changes in emissions of CO2 and N2O were determined in a cattle overwintering area during three specific periods of the year. Production of both N2O and CO2, as determined with gas chambers buried in soil and spatially distributed changed rapidly, and the general course of fluxes of the two gases was different. CO2 emissions were basically controlled by temperature, and most gas chambers showed the same trends in CO2 flux, indicating low spatial heterogeneity. In contrast, N2O emission were much more spatially heterogeneous and each chamber had its own time course of emission; therefore, the relationship between flux and temperature was more complicated for N2O than CO2. For estimating gas emissions over long periods, we strongly recommend the use of frequent emission measurements during periods of high gas fluxes.
    Trvalý link: http://hdl.handle.net/11104/0190292