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Artigo
Modelagem climática regional durante dois anos de extremos de precipitação sobre o estado do Amapá: teste de sensibilidade aos esquemas convectivos
This study shows an assessment of the seasonal forecast model RegCM3 in two extreme events of precipitation for the years 2006 and 2007. For the analysis a 1° x 1º km horizontal resolution was used and validated with 30 x 15 points of latitude x longitude for the region of the State of Amapa. The pr...
Autor principal: | NEVES, Daniel Gonçalves das |
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Outros Autores: | CUNHA, Alan Cavalcanti da, SOUZA, Everaldo Barreiros de, BARRETO, Naurinete Jesus da Costa |
Grau: | Artigo |
Idioma: | por |
Publicado em: |
2013
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Assuntos: | |
Acesso em linha: |
http://repositorio.ufpa.br/jspui/handle/2011/3776 |
Resumo: |
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This study shows an assessment of the seasonal forecast model RegCM3 in two extreme events of precipitation for the years 2006 and 2007. For the analysis a 1° x 1º km horizontal resolution was used and validated with 30 x 15 points of latitude x longitude for the region of the State of Amapa. The presented results are for the comparison between simulated and observed seasonal precipitation in the quarter (MAM). In general, the results showed that using the scale reduction technique to predict the seasonal rainfall, a good performance in simulating the variability of rainfall on a regional scale is obtained. However, errors in the precipitation amount and on some maximum position were observed when compared with the observed data. The wet bias was prevalent in the humid coastal region and the dry bias in the south-southeast, west and center with a strong persistence in the Southeast. Regions with precipitation values close to the observed ones were not very evident. |