| 1. Identity statement | |
| Reference Type | Conference Paper (Conference Proceedings) |
| Site | mtc-m16c.sid.inpe.br |
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Repository | sid.inpe.br/mtc-m18@80/2008/09.29.19.12 (restricted access) |
| Last Update | 2008:09.29.19.12.28 (UTC) administrator |
| Metadata Repository | sid.inpe.br/mtc-m18@80/2008/09.29.19.12.29 |
| Metadata Last Update | 2021:01.02.03.55.53 (UTC) administrator |
| Secondary Key | INPE-15602-PRE/10327 |
| Citation Key | OliveiraDereChan:2008:ReAvPr |
| Title | Refinamento e avaliação das previsões do modelo ETA/CPTEC  |
| Format | CD-ROM |
| Year | 2008 |
| Secondary Date | 20080824 |
| Access Date | 2024, Apr. 28 |
| Secondary Type | PRE CN |
| Number of Files | 1 |
| Size | 139 KiB |
| 2. Context | |
| Author | 1 Oliveira, Nathália Silva de 2 Dereczynski, Claudine Pereira 3 Chan, Chou Sin |
| Resume Identifier | 1 2 3 8JMKD3MGP5W/3C9JGRQ |
| Group | 1 2 3 DMD-CPT-INPE-MCT-BR |
| Affiliation | 1 2 3 Instituto Nacional de Pesquisas Espaciais (INPE/CPTEC) |
| e-Mail Address | deicy@cptec.inpe.br |
| Conference Name | Congresso Brasileiro de Meteorologia, 15. |
| Conference Location | São Paulo |
| Date | 24-29 ago |
| Book Title | Anais |
| Tertiary Type | Artigo |
| Organization | SBMET |
| History (UTC) | 2008-12-16 15:05:15 :: deicy -> administrator :: 2021-01-02 03:55:53 :: administrator -> marciana :: 2008 |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Content Type | External Contribution |
| Keywords | Modelo Eta avaliação Eta Model weather forecasting forecast evaluation |
| Abstract | Neste trabalho são avaliadas as previsões do modelo Eta para São Miguel do Gostoso (RN) no período de 13/10/2005 a 01/11/2005. Séries temporais e ciclos diurnos médios são apresentados para as previsões de 24, 48 e 72-h das variáveis, temperatura do ar a 2 metros, umidade específica a 2 m e para a pressão atmosférica à superfície. Os resultados mostram que o modelo Eta não representa adequadamente as grandes amplitudes diárias tanto para a temperatura do ar quanto para a umidade específica, como pode ser visto pelas séries temporais dessas variáveis. Porém, o ciclo diurno médio da temperatura é bem reproduzido, especialmente na previsão de 48-h, apresentando alta correlação (CORR=88%) e baixos valores de raiz do erro quadrático médio (RMSE=1,6ºC). O modelo mostra erros na previsão de umidade específica (RMSE maior do que o desvio padrão) e baixa CORR (menor do que 25%). Para a pressão atmosférica o modelo mostra alta CORR, especialmente para as previsões de 24-h (CORR=65%), apesar dos altos valores de RMSE (5 hPa). ABSTRACT: In this work Eta model forecasts are evaluated against observations taken at São Miguel do Gostoso city (RN), for the period between 13 October and 1 November 2005. Time series and mean diurnal cycles of 2-m temperature and specific humidity and surface pressure are shown for 24, 48 and 72-h forecasts. The results show that Eta model does not represent accurately both temperature and specific humidity large amplitudes, as indicated by their time series. Although, the temperature mean diurnal cycle is well reproduced, specially at 48-h forecasts, with high correlation, 0,88, and small root mean square error (RMSE=1,6ºC). The model shows error in specific humidity forecasts (RMSE greater than standard deviation) and small, less than 0,25. For atmospheric pressure, the forecasts show high correlation with observations, especially at 24-h forecast, but high RMSE (5 hPa).. |
| Area | MET |
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDMD > Refinamento e avaliação... |
| doc Directory Content | access |
| source Directory Content | there are no files |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| Language | pt |
| Target File | OLIVEIRA_REFINAMENTO.pdf |
| User Group | administrator deicy |
| Visibility | shown |
| Copy Holder | SID/SCD |
| Read Permission | deny from all and allow from 150.163 |
| 5. Allied materials | |
| Next Higher Units | 8JMKD3MGPCW/43SKC35 |
| Host Collection | sid.inpe.br/mtc-m18@80/2008/03.17.15.17 |
| 6. Notes | |
| Empty Fields | archivingpolicy archivist callnumber copyright creatorhistory descriptionlevel dissemination documentstage doi edition editor electronicmailaddress identifier isbn issn label lineage mark mirrorrepository nextedition notes numberofvolumes orcid pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup rightsholder schedulinginformation secondarymark serieseditor session shorttitle sponsor subject tertiarymark type url versiontype volume |
| 7. Description control | |
| e-Mail (login) | marciana |
| update | |