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How to measure uncertainties in environmental risk assassment
dc.contributor.author | Darbra Roman, Rosa Maria |
dc.contributor.author | Eljarrat, Ethel |
dc.contributor.author | Barceló Cullerés, Damià |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Química |
dc.date.accessioned | 2010-05-18T11:32:48Z |
dc.date.available | 2010-05-18T11:32:48Z |
dc.date.created | 2008-04-01 |
dc.date.issued | 2008-04-01 |
dc.identifier.citation | Darbra, R.M.; Eljarrat, E.; Barceló, D. How to measure uncertainties in environmental risk assassment. "TrAC: trends in analytical chemistry", 01 Abril 2008, vol. 27, núm. 4, p. 377-385. |
dc.identifier.issn | 0165-9936 |
dc.identifier.uri | http://hdl.handle.net/2117/7305 |
dc.description.abstract | Environmental risk assessment is an essential element in any decision-making process in order to minimize the effects of human activities on the environment. Unfortunately, often environmental data tends to be vague and imprecise, so uncertainty is associated with any study related with these kind of data. Essentially, uncertainty in risk assessment may have two origins – randomness and incompleteness. There are two main ways to deal with these uncertainties – probability theory and fuzzy logic. Probability theory is based on a stochastic approach, using probability functions to describe random variability in environmental parameters. Fuzzy logic uses membership functions and linguistic parameters to express vagueness in environmental issues. We discuss the best way to deal with uncertainties in the environmental field and give examples of probabilistic and fuzzy-logic approaches applied to environmental risk assessment. |
dc.format.extent | 9 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria química::Impacte ambiental |
dc.subject | Àrees temàtiques de la UPC::Matemàtiques i estadística::Probabilitat |
dc.title | How to measure uncertainties in environmental risk assassment |
dc.type | Article |
dc.subject.lemac | Medi ambient |
dc.subject.lemac | Lògica difusa |
dc.subject.lemac | Probabilitats |
dc.contributor.group | Universitat Politècnica de Catalunya. CERTEC - Centre d'Estudis del Risc Tecnològic |
dc.identifier.doi | 10.1016/j.trac.2008.02.005 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Open Access |
local.identifier.drac | 2053813 |
dc.description.version | Postprint (published version) |
local.citation.author | Darbra, R.M.; Eljarrat, E.; Barceló, D. |
local.citation.publicationName | TrAC: trends in analytical chemistry |
local.citation.volume | 27 |
local.citation.number | 4 |
local.citation.startingPage | 377 |
local.citation.endingPage | 385 |
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