@prefix prodottidellaricerca: . @prefix istituto: . @prefix prodotto: . istituto:CDS084 prodottidellaricerca:prodotto prodotto:ID152094 . @prefix pubblicazioni: . @prefix unitaDiPersonaleInterno: . unitaDiPersonaleInterno:MATRICOLA39062 pubblicazioni:autoreCNRDi prodotto:ID152094 . @prefix modulo: . modulo:ID2888 prodottidellaricerca:prodotto prodotto:ID152094 . @prefix rdf: . @prefix retescientifica: . prodotto:ID152094 rdf:type retescientifica:ProdottoDellaRicerca , prodotto:TIPO1719 . @prefix rdfs: . prodotto:ID152094 rdfs:label "Carbon fluxes and evapotranspiration of a Mediterranean agroecosystem in southern Italy (Materiale didattico)"@en . @prefix xsd: . prodotto:ID152094 pubblicazioni:anno "2004-01-01T00:00:00+01:00"^^xsd:gYear . @prefix skos: . prodotto:ID152094 skos:altLabel "
P. di Tommasi; \ncorrelatore V. Magliulo (2004)
Carbon fluxes and evapotranspiration of a Mediterranean agroecosystem in southern Italy
"^^rdf:HTML ; pubblicazioni:autori "P. di Tommasi; \ncorrelatore V. Magliulo"^^xsd:string ; pubblicazioni:altreInformazioni "Di Tommasi P., 2004. Carbon fluxes and evapotranspiration of a Mediterranean agroecosystem in southern Italy. Tesi di Dottorato, Universit\u00E0 degli Studi di Napoli Federico II. Relatore A. Fierro, Correlatore Magliulo, V"^^xsd:string ; pubblicazioni:proprieta "unina"^^xsd:string ; pubblicazioni:url "http://opac.bncf.firenze.sbn.it/opac/controller.jsp;jsessionid=8D82A618F977DF8FE7707F286EF8A7AC?action=search_multiplagoto&query_action=search_byautoresearch&query_position=0&query_maxposition=1&query_querystring_1=BNIV019211&query_fieldname_1=vidtutti"^^xsd:string ; pubblicazioni:note "Dottorato di ricerca"^^xsd:string ; pubblicazioni:affiliazioni "cnr isafom"^^xsd:string ; pubblicazioni:titolo "Carbon fluxes and evapotranspiration of a Mediterranean agroecosystem in southern Italy"^^xsd:string ; pubblicazioni:descrizioneSintetica "Di Tommasi P., 2004. Carbon fluxes and evapotranspiration of a Mediterranean agroecosystem in southern Italy. Tesi di Dottorato, Universit\u00E0 degli Studi di Napoli Federico II. Relatore A. Fierro, Correlatore Magliulo, V"^^xsd:string ; prodottidellaricerca:abstract "Increasing amounts of anthropogenic emissions of CO2 into the atmosphere have led to an intensive debate about its potential environmental consequences and initiated mitigation activities as defined in the Kyoto Protocol of the United Nations Organization (cfr. IGBP, 1998).\nGiven the implications of mitigation measures in terms of social and economic cost and the conflictual consensus reached by industrialized and developing countries in this issue, it is mandatory an improved knowledge of the CO2 sequestration processes. In particular, it is necessary to reach a better quantification of both sources and sinks of CO2 and turnover-times of carbon in the geobiosphere.\nIn recent years, terrestrial ecosystems have increasingly gained the attention of those attempting to piece together the global carbon budget because of their capacity to sequester large amounts of atmospheric carbon dioxide (IPCC, 2001a; IPCC, 2001b; Pacala et al., 2001; Valentini et al., 2000).\nUnderstanding how gross primary production (GPP) and ecosystem respiration (Reco) respond to environmental variables and how these carbon flux components vary on daily, seasonal, annual and interannual temporal scales are prerequisites for understanding what controls and modulates the net ecosystem exchange (NEE) of ecosystems and biomes (Xu & Baldocchi, 2004; Law et al., 1999).\nIn other words, the ultimate potential for terrestrial carbon sequestration is not known, because we lack adequate understanding of the biogeochemical mechanisms accountable for carbon fluxes and storage potential on the molecular, landscape, regional, and global scales, and the complex genetic and physiological processes controlling key biological and ecological phenomena (Metting et al., 2001).\nFrom the above consideration it descends that the problem of identifying the spatial and temporal distribution of sources and sinks of atmospheric CO2 lies at the heart of the Kyoto protocol on global change. According to the Kyoto protocol, 174 countries shall have in place, no later than 2008, a national system for the estimation of anthropogenic emissions from all sources and removals by all sinks of the greenhouse gases not controlled by the 1992 Montreal Protocol. The European Community has signed the United Nations Convention on Climate Change and agreed to the resolution of the Kyoto protocol. As a result, the European Community committed to a reduction in the emissions under pre-set thresholds. Countries are also engaged to show substantial progress by the year 2002, thus invoking for an urgent need for a system of monitoring of sinks and sources.\nThe joint efforts of the scientific community led to the creation of FLUXNET, a network integrating worldwide CO2 flux measurements from a variety of ecosystems into consistent quality-assured documented datasets. The network is based on the measurement of carbon and energy fluxes on various terrestrial ecosystems in the five continents. In the FLUXNET monitoring strategy, top down approaches such as inversion methods are verified by bottom up methods such as EC flux data (e.g. Baldocchi & Wilson, 2001a; Hollinger et al., 2004). This approach permits the verification and validation of various budgeting methods on different spatial and temporal scales. Intercomparisons have so far shown rather large discrepancies between the results of different terrestrial ecosystem models, especially for net primary productivity (NPP). Therefore, the identification of the processes which most contribute to modelling uncertainties is a necessary step towards more reliable predictions (Knorr et al., 2000).\nNovel direct estimates from measurements of atmospheric CO2 and CO concentrations show that terrestrial biosphere is acting as a carbon sink and there is considerable potential for protecting and enhancing this carbon sink. In order to achieve this potential, strong incentives are required to promote sustainable management practices, to develop novel carbon management strategies for forestry, agriculture and other land uses on a global scale."@en ; prodottidellaricerca:prodottoDi modulo:ID2888 , istituto:CDS084 ; pubblicazioni:autoreCNR unitaDiPersonaleInterno:MATRICOLA39062 . @prefix parolechiave: . prodotto:ID152094 parolechiave:insiemeDiParoleChiave . parolechiave:insiemeDiParoleChiaveDi prodotto:ID152094 .