English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Dam safety systems can be formed by the junction of precipitation forecasting, hydrologic and hydraulic models in order to provide information for stakeholders. In this way, it uses precipitation forecast and hydrological models to calculate flows. Thus, the purpose of this work was to evaluate precipitation forecast and hydrological models, since these two models are an important part of an emergency forecasting system, providing information used as an input to predict the consequences of events. The precipitation forecast model utilized in the dam safety system analyzed was Eta, operated by Centro de Previsão de Tempo e Estudos Climáticos do Instituto de Pesquisas Espaciais (CPTEC/INPE) and the hydrologic model was SMAP. The evaluation was done in the watersheds of rivers Pardo and Mogi Guaçu, located in the state of São Paulo and was done in three stages: first a direct comparison was made between precipitation forecasts for 1 and 5 days in advance and the observed data collected at the DAEE rainfall station; in the second one, the comparison made was similar, however, in this case, the data utilized was the average of a five-day period and in the last one, the evaluation was done between flows resulting from the precipitations forecasted and observed, utilizing the hydrologic model. As a result of these three analyses, it was concluded that there must be improvement in order to use these data in the dam safety area, since these results show that the models have a amplification tendency considering the discrepancy between forecast and observed data. Key-words: Eta and SMAP models, dam safety, mathematical modeling.

rbrh

Avaliação da Previsão de Precipitação Utilizada na Determinação das Vazões Afluentes em Reservatórios como Ferramenta de um Sistema de Gestão de Emergências em Barragens