The GREEN GRASS experiment on mountain: The effect of the summer drought of the 2003 in theGHG annual balance (Abstract/Poster in atti di convegno)

Type
Label
  • The GREEN GRASS experiment on mountain: The effect of the summer drought of the 2003 in theGHG annual balance (Abstract/Poster in atti di convegno) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • S. Baronti, G. M. Lanini , F. Berretti , P. Stefani , E. Rosato , G.Manca, A. E. Agnelli, P. Ciccioli R. Valentini , A. Raschi (2005)
    The GREEN GRASS experiment on mountain: The effect of the summer drought of the 2003 in theGHG annual balance
    in EGU05, Dublino-Irlanda
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S. Baronti, G. M. Lanini , F. Berretti , P. Stefani , E. Rosato , G.Manca, A. E. Agnelli, P. Ciccioli R. Valentini , A. Raschi (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
  • In this study we present some results that highlight the consequences of the heat wave on the carbon balance, CH4 and N2O of Italian mountain grasslands. The two years of measurements showed a clear difference in carbon exchange patterns; while in 2003 the investigated grassland was a C source throughout a large part of the vegetative season, in 2004 the trend was opposite. Thereafter, integrating the two whole years, the grassland resulted to be a source in 2003 and a sink in 2004. The difference is consequence of the reduction in C assimilation and of the increase in soil respiration under the high atmospheric temperatures and the limited rainfall that characterized summer 2003. On the contrary, NO2 emission was higher in 2004 than in 2003, probably because the climatic conditions and the dryness of soil severely limited microbial activity. For the same reason, methane uptake by soil was more limited in 2003 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IBIMET– Institute of Biometeorology, National Research Council, 50145 Florence, Italy UNITUS, Department of Forest Science and Resources, University of Tuscia, 01100 Viterbo, Italy CEALP, Centre for Alpine Ecology, Viote del Monte Bondone, 38040 Trento, Italy ISSDS, Reserch Institute for Soil Study and Conservation, 50121 Florence, Italy CNR –IMC, Institute of Chemical Methodologies, National Research Council, 00100 Montelibretti-(Rome) Italy (literal)
Titolo
  • The GREEN GRASS experiment on mountain: The effect of the summer drought of the 2003 in theGHG annual balance (literal)
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