Calibration and validation of a dynamic water model in agricultural scenarios
Autor(a) principal: | |
---|---|
Data de Publicação: | 2008 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.5/5592 |
Resumo: | A dynamic aquatic model (DynA model) was previously developed to predict the fate of a chemical in aquatic scenarios characterized by daily or periodic changes in several input parameters. DynA model is here calibrated with data obtained from the literature in specific unsteady state scenarios, such as those of rice fields. The results obtained for two herbicides (cinosulfuron and pretilachlor) in rice paddy scenarios revealed the capability of the model to accurately predict water and sediment concentrations, as shown by some statistical indicators. Modelling efficiency (EF) values of 0.86–0.99 for the water compartment and of 0.77–0.84 for sediment show the good agreement between predicted and measured concentrations. An ‘‘external validation’’ was performed using measured data for a different herbicide (molinate) applied in a Portuguese paddy rice scenario. A sensitivity analysis for this volatile chemical revealed the influence of some climatic parameters (e.g. temperature) to the model outcomes, such as water and sediment concentrations. This confirmed the capability of DynA model as an efficient tool for the pesticide risk assessment in dynamic scenarios |
id |
RCAP_208d15bfe0680f281cea6d9d17f03f87 |
---|---|
oai_identifier_str |
oai:www.repository.utl.pt:10400.5/5592 |
network_acronym_str |
RCAP |
network_name_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository_id_str |
7160 |
spelling |
Calibration and validation of a dynamic water model in agricultural scenariosDynA modelsurface water modelcalibrationsensitivity analysispaddy riceA dynamic aquatic model (DynA model) was previously developed to predict the fate of a chemical in aquatic scenarios characterized by daily or periodic changes in several input parameters. DynA model is here calibrated with data obtained from the literature in specific unsteady state scenarios, such as those of rice fields. The results obtained for two herbicides (cinosulfuron and pretilachlor) in rice paddy scenarios revealed the capability of the model to accurately predict water and sediment concentrations, as shown by some statistical indicators. Modelling efficiency (EF) values of 0.86–0.99 for the water compartment and of 0.77–0.84 for sediment show the good agreement between predicted and measured concentrations. An ‘‘external validation’’ was performed using measured data for a different herbicide (molinate) applied in a Portuguese paddy rice scenario. A sensitivity analysis for this volatile chemical revealed the influence of some climatic parameters (e.g. temperature) to the model outcomes, such as water and sediment concentrations. This confirmed the capability of DynA model as an efficient tool for the pesticide risk assessment in dynamic scenariosElsevierRepositório da Universidade de LisboaInfantino, AlfonsoPereira, TeresaFerrari, ClaudiaCerejeira, Maria JoséGuardo, Antonio Di2013-05-29T14:32:42Z20082008-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/5592eng"Chemosphere". ISSN 0045-6535. 70(7) (2008) 1298-13080045-6535info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-03-06T14:36:27Zoai:www.repository.utl.pt:10400.5/5592Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:53:03.989532Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Calibration and validation of a dynamic water model in agricultural scenarios |
title |
Calibration and validation of a dynamic water model in agricultural scenarios |
spellingShingle |
Calibration and validation of a dynamic water model in agricultural scenarios Infantino, Alfonso DynA model surface water model calibration sensitivity analysis paddy rice |
title_short |
Calibration and validation of a dynamic water model in agricultural scenarios |
title_full |
Calibration and validation of a dynamic water model in agricultural scenarios |
title_fullStr |
Calibration and validation of a dynamic water model in agricultural scenarios |
title_full_unstemmed |
Calibration and validation of a dynamic water model in agricultural scenarios |
title_sort |
Calibration and validation of a dynamic water model in agricultural scenarios |
author |
Infantino, Alfonso |
author_facet |
Infantino, Alfonso Pereira, Teresa Ferrari, Claudia Cerejeira, Maria José Guardo, Antonio Di |
author_role |
author |
author2 |
Pereira, Teresa Ferrari, Claudia Cerejeira, Maria José Guardo, Antonio Di |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
dc.contributor.author.fl_str_mv |
Infantino, Alfonso Pereira, Teresa Ferrari, Claudia Cerejeira, Maria José Guardo, Antonio Di |
dc.subject.por.fl_str_mv |
DynA model surface water model calibration sensitivity analysis paddy rice |
topic |
DynA model surface water model calibration sensitivity analysis paddy rice |
description |
A dynamic aquatic model (DynA model) was previously developed to predict the fate of a chemical in aquatic scenarios characterized by daily or periodic changes in several input parameters. DynA model is here calibrated with data obtained from the literature in specific unsteady state scenarios, such as those of rice fields. The results obtained for two herbicides (cinosulfuron and pretilachlor) in rice paddy scenarios revealed the capability of the model to accurately predict water and sediment concentrations, as shown by some statistical indicators. Modelling efficiency (EF) values of 0.86–0.99 for the water compartment and of 0.77–0.84 for sediment show the good agreement between predicted and measured concentrations. An ‘‘external validation’’ was performed using measured data for a different herbicide (molinate) applied in a Portuguese paddy rice scenario. A sensitivity analysis for this volatile chemical revealed the influence of some climatic parameters (e.g. temperature) to the model outcomes, such as water and sediment concentrations. This confirmed the capability of DynA model as an efficient tool for the pesticide risk assessment in dynamic scenarios |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008 2008-01-01T00:00:00Z 2013-05-29T14:32:42Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.5/5592 |
url |
http://hdl.handle.net/10400.5/5592 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
"Chemosphere". ISSN 0045-6535. 70(7) (2008) 1298-1308 0045-6535 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
|
_version_ |
1799131006208311296 |