| 1. Identificação | |
| Tipo de Referência | Resumo em Evento (Conference Proceedings) |
| Site | mtc-m16d.sid.inpe.br |
| Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identificador | 8JMKD3MGP7W/385EEPH |
| Repositório | sid.inpe.br/mtc-m19@80/2010/08.23.18.43 |
| Repositório de Metadados | sid.inpe.br/mtc-m19@80/2010/08.23.18.43.36 |
| Última Atualização dos Metadados | 2021:02.10.18.37.44 (UTC) administrator |
| Chave Secundária | INPE--PRE/ |
| Chave de Citação | NascimentoHerdSouzAnge:2010:EvPrOv |
| Título | Evaluation of precipitation over South America in the reanalysis MERRA  |
| Ano | 2010 |
| Data de Acesso | 28 abr. 2024 |
| Tipo Secundário | PRE CI |
| 2. Contextualização | |
| Autor | 1 Nascimento, M G do 2 Herdies, Dirceu Luis 3 Souza, Diego Oliveira de 4 Angelis, Carlos Frederico |
| Grupo | 1 DSA-CPT-INPE-MCT-BR 2 DMD-CPT-INPE-MCT-BR 3 CPT-CPT-INPE-MCT-BR 4 DSA-CPT-INPE-MCT-BR |
| Afiliação | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Instituto Nacional de Pesquisas Espaciais (INPE) 3 Instituto Nacional de Pesquisas Espaciais (INPE) 4 Instituto Nacional de Pesquisas Espaciais (INPE) |
| Endereço de e-Mail do Autor | 1 maguenas1@yahoo.com.br 2 dirceu.herdies@cptec.inpe.br 3 dsouza@cptec.inpe.br 4 carlos.angelis@cptec.inpe.br |
| Nome do Evento | The Meeting of the Americas. |
| Localização do Evento | Foz do Iguaçu, BR |
| Data | 8-12 aug 2010 |
| Editora (Publisher) | AGU |
| Título do Livro | Abstracts |
| Tipo Terciário | Extended Abstact |
| Histórico (UTC) | 2010-12-01 17:05:02 :: valdirene -> administrator :: 2010 2021-02-10 18:37:44 :: administrator -> valdirene :: 2010 |
| 3. Conteúdo e estrutura | |
| É a matriz ou uma cópia? | é a matriz |
| Estágio do Conteúdo | concluido |
| Transferível | 1 |
| Tipo do Conteúdo | External Contribution |
| Palavras-Chave | hydrological cycles budgets precipitation climatology data assimilation |
| Resumo | The reanalysis data are an essential tool in the study of weather and climate variability in the past 15 years. The reanalysis are nothing more than a merger of a large amount of observational data with data from numerical modeling. One of the key utilities in a reanalysis is that the output generated from the model physics provides data not easily observed, but is consistent with the analyzed observed data. Knowing that precipitation is one of the critical components of the balance of moisture and energy, and that this variable on reanalysis data is highly correlated with the model physical parameterizations, this work attempts to quantify the uncertainty of rainfall data between the MERRA reanalysis and data of precipitation obtained from the GPCP and TRMM for the period 1999 to 2008. For a better understanding of the observed data, TRMM and GPCP data were compared, where make clear a large spatial correlation (0.93) between these two datasets, with major differences in the tropical region, where TRMM data have higher values on the Amazon river mouth, equatorial Pacific Ocean and the Caribbean. On the whole South America this analisys showed an average error of -0.33 mm/day, showing that the values observed by TRMM are higher than GPCP. Analysis of the MERRA data for the entire period showed a good spatial correlation between the reanalysis data and TRMM (0.77) and GPCP (0.78). It was also noted that the MERRA data tend to overestimate the values of precipitation over much of the equatorial region, mainly on the tropical Atlantic Ocean, and to underestimate the values of precipitation over southern Brazil. When analyzed seasonally it was found that the MERRA data had lower spatial correlation in the seasons that show more convective activity, mainly in summer (0.75 TRMM and GPCP 0.76) and spring (0.72 TRMM and GPCP 0.73). In all seasons, especially in spring and summer, it was observed that the MERRA data have difficulties in representing the values of precipitation over southern Brazil and the La Plata Basin (underestimating the values) and over the region of tropical Atlantic Ocean (overestimating the values). More detailed studies should be conducted to better estimate the errors presented in this work, but the results make clear that the use of MERRA data for the southern and northern South America deserve more attention. |
| Área | MET |
| Arranjo 1 | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > CGCPT > Evaluation of precipitation... |
| Arranjo 2 | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDMD > Evaluation of precipitation... |
| Arranjo 3 | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDSA > Evaluation of precipitation... |
| Conteúdo da Pasta doc | não têm arquivos |
| Conteúdo da Pasta source | não têm arquivos |
| Conteúdo da Pasta agreement | não têm arquivos |
| 4. Condições de acesso e uso | |
| Idioma | en |
| Grupo de Usuários | valdirene administrator |
| Visibilidade | shown |
| 5. Fontes relacionadas | |
| Repositório Espelho | sid.inpe.br/mtc-m19@80/2009/08.21.17.02.53 |
| Unidades Imediatamente Superiores | 8JMKD3MGPCW/3EUPEJL 8JMKD3MGPCW/43SKC35 8JMKD3MGPCW/43SRC6S |
| Acervo Hospedeiro | sid.inpe.br/mtc-m19@80/2009/08.21.17.02 |
| 6. Notas | |
| Campos Vazios | archivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination documentstage doi e-mailaddress edition editor format isbn issn label lineage mark nextedition notes numberoffiles numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisheraddress readergroup readpermission resumeid rightsholder schedulinginformation secondarydate secondarymark serieseditor session shorttitle size sponsor subject targetfile tertiarymark type url versiontype volume |
| 7. Controle da descrição | |
| e-Mail (login) | valdirene |
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