Modelling short-term temporal changes of bare soil CO2 emissions in a tropical agrosystem by using meteorological data

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorLa Scala, N.
dc.creatorPanosso, A. R.
dc.creatorPereira, G. T.
dc.date2014-05-20T15:21:58Z
dc.date2016-10-25T17:55:33Z
dc.date2014-05-20T15:21:58Z
dc.date2016-10-25T17:55:33Z
dc.date2003-09-01
dc.date.accessioned2017-04-05T23:34:20Z
dc.date.available2017-04-05T23:34:20Z
dc.identifierApplied Soil Ecology. Amsterdam: Elsevier B.V., v. 24, n. 1, p. 113-116, 2003.
dc.identifier0929-1393
dc.identifierhttp://hdl.handle.net/11449/33041
dc.identifierhttp://acervodigital.unesp.br/handle/11449/33041
dc.identifier10.1016/S0929-1393(03)00065-9
dc.identifierWOS:000185491600009
dc.identifierhttp://dx.doi.org/10.1016/S0929-1393(03)00065-9
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/877250
dc.descriptionDetermining the variability of carbon dioxide emission from soils is an important task as soils are among the largest sources of carbon in biosphere. In this work the temporal variability of bare soil CO2 emissions was measured over a 3-week period. Temporal changes in soil CO2 emission were modelled in terms of the changes that occurred in solar radiation (SR), air temperature (T-air), air humidity (AR), evaporation (EVAP) and atmospheric pressure (ATM) registered during the time period that the experiment was conducted. The multiple regression analysis (backward elimination procedure) includes almost all the meteorological variables and their interactions into the final model (R-2 = 0.98), but solar radiation showed to be the one of the most relevant variables. The present study indicates that meteorological data could be taken into account as the main forces driving the temporal variability of carbon dioxide emission from bare soils, where microbial activity is the sole source of carbon dioxide emitted. (C) 2003 Elsevier B.V. All rights reserved.
dc.languageeng
dc.publisherElsevier B.V.
dc.relationApplied Soil Ecology
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectcarbon balance
dc.subjectcarbon dioxide emission
dc.subjectsoil respiration
dc.subjectgreenhouse gases
dc.titleModelling short-term temporal changes of bare soil CO2 emissions in a tropical agrosystem by using meteorological data
dc.typeOtro


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