regional ocean / atmosphere coupled modeling system for the southeastern brazilian coast maurício...
TRANSCRIPT
Regional Ocean / Atmosphere Coupled Modeling System for the Southeastern Brazilian Coast
Maurício da Rocha Fragoso
LAMMA – Universidade do Brasil
2003 Terrain-Following Ocean Models Users Workshop
1LAMMA
2THE SOUTHEASTERN BRAZILIAN COAST
3 MODEL COUPLING
4 THE MOREA SYSTEM
5 NEXT STEPS
Presentation Topics
> LAMMA \ UFRJwww.lamma.ufrj.br
2003 Terrain-Following Ocean Models Users Workshop
1. LAMMA
Marine and Atmospheric Processes Modelling Laboratory
Universidade do Brasil - Rio de Janeiro
Meteorology Department
1.1. Location
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
Oceanographers, Meteorologists and Environmental Engineers
Graduate and Undergraduate students and researchers
Associated Researchers (Brazilian and foreign institutions)
1.2. Staff
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
Agrometeorology
Ocean/Atmosphere ProcessesChief Sc.: Audalio Torres Jr.
Atmospheric Pollution
Remote Sensing
Coastal and Oceanic Circulation
Pollutant Transport
Surface Waves
Atmospheric Modeling
1.3. Research Areas
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.4. Ocean/Atmosphere Processes Research
Forecasting Systems development Marine Currents Surface Waves Atmosphere
Model Coupling Global -> Regional Wave/Current /Atmosphere
Transport Models Development Oil Sewage Particles Atmosphere
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
Since 1996 we’ve been applying POM in the Brazilian coast, from basin to small scales
1.5. POM in LAMMA
POM implementations by LAMMA
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.5. POM in LAMMA
South Atlantic Ocean(5000 X 9500 Km)
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.5. POM in LAMMA
Ilha Grande BayRio de Janeiro, Brasil
(100 X 200 Km)
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.5. POM in LAMMA
Ilha Grande BayRio de Janeiro, Brasil
Ballast Water Dispersion Program GloBallast -IMO
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.5. POM in LAMMA
Todos os Santos BayBahia, Brasil(55 X 32 Km)
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.5. POM in LAMMA
Guanabara BayRio de Janeiro, Brasil
(25 X 32 Km)
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
1. LAMMA
1.5. POM in LAMMA
Amazon RiverAmazonia, Brasil
(~3 X 60 Km)
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.1. Location
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.2. Importance
Major Brazilian Cities
Major Ports of Brazil
70% of Brazilian Oil Production
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.3. Center For Oil Spill Monitoring at Sea - CeMOM
In 2001 the Center for Oil Spil Monitoring at Sea (CeMOM) of the Brazilian Petroleum Agency was created
The mission of CeMOM is to monitor natural and accidentaloil spills in Brazilian coast
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.3. Center For Oil Spill Monitoring at Sea - CeMOM
The detection of oil is made through SAR images
Once detected an oil spill trajectory forecast is performed
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.3. Center For Oil Spill Monitoring at Sea - CeMOM
Hydrodynamics is provided by POM applied operationally to this region
Boundary and initial conditions prescribed by values found in literature
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.3. Center For Oil Spill Monitoring at Sea - CeMOM
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeast Coast of Brazil
2.3. Meteoceanography Highlights
Brazil Current – Meanders and Eddies
Vitória-Trindade Ridge
Upwelling
Sea Breeze
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeastern Brazilian Coast
2.3. Meteoceanography Highlights
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
2. The Southeast Coast of Brazil
2.3. Meteoceanography Highlights
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
3. MODEL COUPLING
3.1. Why Ocean/Atmosphere Coupled Model ?
SST has strong influence in ocean/atmosphere processes of region
Sea Breeze intensification by upwelling
Upwelling intensification by sea breeze
In order to try to capture most part of the ocean/atmosphere dynamics of the region we chose to apply a coupled model
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
3. MODEL COUPLING
3.2. First Attempt -RAMS/POM
How to match software engineering ?
POM as a subroutine of RAMS
Performace of the coupled system very similar to RAMS alone
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
Coupling the GFDL Princeton Ocean Model (POM) with
PSU/NCAR Mesoscale Modeling System (MMS)
Intends to be a diagnostic and prognostic system of ocean and atmosphere, in regional scale, of the southeastern Brazilian coast
4. THE MOREA SYSTEM
4.1. POM
Grid: 10o S – 27o S / 50o W – 30o W
Spatial Resolution: 5’ (~9Km)
Grid Size: 205X240X15
Boundary and Initial Conditions provided by MOM data
SST Boundary Conditions provided by GOES/INPE
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.1. POM
POM for SE Braz. coastwith inital and boundary
conditions provided by MOM data
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.2.MM5
Grid: 10o S – 27o S / 50o W – 30o W
Spatial Resolution: 5’ (~9Km)
Grid Size: 205X240X23
Atmospheric Boundary and Initial Conditions provided by NCEP model data
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.2.MM5
MM5 for SE Brazilwith inital and boundary
conditions provided by NCEP model data
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.3. SST DATA
Simple SST images treatment for removal of cloud contaminations
48 GOES images per day
Finds pixels with clouds and go backwards in time untill free pixel is found
Gaussian interpolation for smoothing of image
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.3. SST DATA
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.3. SST DATA
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
4. THE MOREA SYSTEM
4.4.COUPLING STRATEGY
POM as a subroutine of MM5
Interpolation of fields to match grids
Variables are exchanged with frequency depending on time scales
POM to MM5:SST
MM5 to POM:10 m wind, atmospheric pressure, radiation
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
5. NEXT STEPS
Implementation of Modular Ocean Model
MOM/CCM coupling
MM5 to WRF
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
Organizing Committee
Brazilian Petroleum Agency - ANP
LAMMA / LAMCE Staff
Acknowledgments
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
Visit our Website
2003 Terrain-Following Ocean Models Users Workshop
> LAMMA \ UFRJwww.lamma.ufrj.br
www.lamma.ufrj.br