| Calibration and validation of a dynamic water model in agricultural scenarios. | |
| | |
MedLine Citation:
|
PMID: 17765289 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
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. |
| | |
Authors:
|
Alfonso Infantino; Teresa Pereira; Claudia Ferrari; Maria José Cerejeira; Antonio Di Guardo |
Related Documents
:
|
20694889 - Anthropology is missing: on the world development report 2010: development and climate ... 15768729 - Environmental factors in the summer olympics in historical perspective. 21380529 - Evolutionary ecotoxicology of pesticide resistance: a case study in daphnia. 20862539 - Coastal environmental monitoring using remotely sensed data and gis techniques in the m... 18440659 - Assessing a landscape barrier using genetic simulation modelling: implications for racc... 17362399 - Application of a regional hurricane wind risk forecasting model for wood-frame houses. 20190259 - Study of the time course of the clinical effect of propofol compared with the time cour... 18492049 - Evaluation of sampling tools for environmental sampling of bacterial endospores from po... 22873619 - Permanence induced by life-cycle resonances: the periodical cicada problem. |
Publication Detail:
|
Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2007-08-31 |
Journal Detail:
|
Title: Chemosphere Volume: 70 ISSN: 0045-6535 ISO Abbreviation: Chemosphere Publication Date: 2008 Jan |
Date Detail:
|
Created Date: 2008-01-08 Completed Date: 2008-04-14 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 0320657 Medline TA: Chemosphere Country: England |
Other Details:
|
Languages: eng Pagination: 1298-308 Citation Subset: IM |
Affiliation:
|
Department of Chemical and Environmental Sciences, University of Insubria, Via Valleggio, 11, 22100 Como CO, Italy. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Acetanilides
/
analysis Agriculture / methods Calibration Models, Theoretical* Reproducibility of Results Sulfonylurea Compounds / analysis Water / analysis* Water Pollutants, Chemical / analysis* |
| Chemical | |
Reg. No./Substance:
|
0/Acetanilides; 0/Sulfonylurea Compounds; 0/Water Pollutants, Chemical; 51218-49-6/pretilachlor; 7732-18-5/Water; 94593-91-6/cinosulfuron |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Investigation of carbonyl compounds in air from various industrial emission sources.
Next Document: CRP gene is involved in the regulation of human longevity: a follow-up study in Finnish nonagenarian...