Revista Recursos Hdricos

DOI:10.5894/rh39n1-cti2
Este artigo parte integrante da Revista Recursos Hdricos, Vol. 39, N 1, 31-42, maro de 2018.

Plataforma interativa e integradora para gesto do risco de inundao costeira

Interactive and integrative platform for coastal flood risk management

Anabela Oliveira^1,*, Andr B. Fortunato², Paula Freire³, Joo Rogeiro⁴, Alberto Azevedo⁵, Marta Rodrigues⁶, Lus M. David⁷, Elsa Alves⁸,
Ana Mendes⁹, Joana Teixeira¹⁰

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^* Autor para correspondncia:  aoliveira@lnec.pt  
¹ Doutora em Engenharia do Ambiente, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
² Doutor em Engenharia do Ambiente, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
³ Doutora em Geologia Econmica e do Ambiente, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
⁴ Mestre em Engenharia Informtica, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
⁵ Doutor em Cincias Geofsicas e da Geoinformao, Laboratrio Nacional de Engenharia Civil, Av. do Brasil, 101, Lisboa, Portugal
⁶Doutora em Biologia, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
⁷ Doutor em Engenharia Civil, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
⁸ Doutora em Engenharia Civil, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
⁹ Licenciada em Informtica, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal
¹⁰ Mestre em Sistemas de Informao Geogrfica, Laboratrio Nacional de Engenharia Civil, Lisboa, Portugal

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RESUMO
Apresenta-se uma plataforma WebSIG para suporte gesto do risco de inundao, aplicvel do rio at ao oceano, incluindo a dimenso urbana. Permitindo o acesso diferenciado e produtos customizados para vrios utilizadores, esta plataforma oferece um acesso central a toda a informao til para a gesto da inundao, quer para o planeamento, quer para situaes de emergncia. Baseia-se no acoplamento de vrios modelos que simulam todos os processos geradores de inundao: mars, sobrelevao de origem meteorolgica, agitao martima, escoamento fluvial, drenagem urbana e eventos de precipitao. Quando a interao entre processos fundamental, o acoplamento efetuado atravs da modelao integrada dos mesmos (para ter em conta p.ex. a interao entre a agitao martima e as correntes). Este sistema de modelao est integrado na plataforma de previso em tempo real do LNEC (WIFF - Water Information Forecast Framework) que produz diria e automaticamente previses a 48 horas da inundao no caso de estudo escolhido. Estas previses so depois disponibilizadas numa plataforma WebSIG, atravs de um conjunto de produtos customizados s necessidades do utilizador, como boletins de alerta, mapas de previso da circulao e de inundao e sries temporais de grandezas em pontos pr-selecionados (sensores virtuais). Oferece ainda servios de comparao automtica com dados em tempo real e sistemas de alerta. Ilustra-se a valia desta plataforma numa aplicao gesto da inundao no esturio do Tejo, com destaque para os alertas customizados ao interesse da Proteo Civil, desde a escala ocenica at regio estuarina de interesse. 

Palavras-chave: Plataforma Web, previso em tempo real, modelao integrada, mapas de inundao, sistema de alerta.

ABSTRACT
An innovative WebGIS platform for inundation management support is presented herein, targeting all relevant spatial scales from the rivers to the ocean including the urban dimension. This platform constitutes a central repository of all relevant information for inundation management, supporting planning and emergency operations alike, with different access levels and customized products for distinct users. It is based on the coupling of several models that simulate all inundation related processes: tides, storm surge, waves, river flow, urban drainage and precipitation events. When process interaction is essential, coupling is achieved through integrated modeling (to account, for instance, the interaction between waves and currents). This modeling system is integrated in LNEC’s real time forecast framework (WIFF - Water Information Forecast Framework) which generates daily in an automatic way 48-hour inundation predictions for the selected use case. These predictions are then uploaded to a WebGIS platform, through several customized products targeted at the users’ needs, as well as early-warning bulletins, maps of circulation and inundation, and time series of selected variables at pre-defined places (virtual sensors). Automatic comparison with real time data and alert systems are also available. The gains provided by this platform are illustrated in a deployment for inundation management in the Tagus estuary, highlighting the Civil Protection customized alert system, applicable from the oceanic to the local estuarine scales. 

Keywords: Web platform, real time forecasts, integrated numerical modeling, inundation maps, early-warning system.

 

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