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Towards an Operational Model for the Tagus Estuary

Paulo Leitão, Henrique Coelho. Towards an Operational Model for the Tagus Estuary. Rodrigo Fernandes, Ramiro Neves, Frank Braunschweig, João Silva, Susana Nunes, Madalena Santos, Ângela Canas e João Nogueira. Overview. Tagus estuary Motivation System Design End user results

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Towards an Operational Model for the Tagus Estuary

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  1. Paulo Leitão, Henrique Coelho Towards an Operational Model for the Tagus Estuary Rodrigo Fernandes, Ramiro Neves, Frank Braunschweig, João Silva, Susana Nunes, Madalena Santos, Ângela Canas e João Nogueira

  2. Overview • Tagus estuary • Motivation • System Design • End user results • Present situation • Conclusions/Future Work

  3. 2 million people Tagus estuary M2 - 1 m Area = 320 km2 Average river flow = 300 m3/s Catchment area = 80.500 km2

  4. Motivation • Monitoring programs (supported by SANEST, SIMTEJO – 2 private companies responsible for management of waste water from 1.5 million people); • The Water Framework Directive; • Validation in continuum of our numerical modeling system (http://www.mohid.com)

  5. System Design Real-time modelling Atmospheric + Hydrodynamics Real-time field data Field Campaigns Validation Databases Results Publication (depending on target public)

  6. MOHID System Structure MOHID Land MOHID Soil Executable Library Mohid Base 3 Soil modules Basin Delineator Digital Terrain Creator MOHID Water Interprocess Communication Soil, Soil Properties,... Triangulator River Network Mohid Base 2 Grid and Atmosphere modules 0D Main Horizontal Grid,Vertical Grid, Atmosphere, Advection Diffusion, ... Mohid Base 1 Process, IO and Function modules Global Data, Water Quality, Sediment Quality, EnterData, HDF, Functions, Time, LUD, Triangulation, Time Series, ...

  7. Discharges from rivers / WWTP’s Atmospheric forcing (MM5) Global tide solution FES95.2 Tagus estuary (dx = 300 m) Portuguese Coast (dx = 2 km) WWTP Discharge Cascais (dx = 50 m) Atmospheric model –> http://meteo.ist.utl.pt Modelling Methodology (Nested Models)

  8. Some results

  9. Automatic stations network Acoustic Doppler Current Meter Profiler Automatic atmospheric station • Buoys – automatic acquisition stations: • Velocities and pressure • Temperature, salinity • Clorofile, turbidity, oxygen, pH Cascais Carcavelos

  10. http://www.mohid.com/tejo-op

  11. Conclusions/Future Work • The system started producing modeling results on a daily basis in March of 2003; • The links between models, data acquisition systems, data bases and web applications are implemented;

  12. Conclusions/Future Work • The system is working • In the future it needs: • Implementation of data assimilation modules • Daily statistical analysis of the model accuracy • To find other end users (ex: harbor)

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