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Oil spill response and follow up studies

 

DESCRIPTION:

The University of Miami/RSMAS group of coastal and shelf seas modeling actively participated in the oil spill response, preparing prepares relevant forecast products in near-real time.

The circulation model used is the real time GoM-HYCOM, which has been running at the Naval Research Lab at the Stennis Space Center (NRL-SSC) since 2002 (Pat Hogan and Ole-Martin Smedstad). It provides forecasts of all hydrodynamic variables throughout the water column.

 

An example of published findings and outreach with respect to the Deepwater Horizon oil spill can be found in a recent (July 10, 2012) News Release and Science Daily article. Real time (summer 2010) media coverage of the group's work can be found here.

 

A new project has been proposed to the Gulf of Mexico Research Initiative (GOMRI). The project CONE - CONectivity controlled by Eddies: Gulf of Mexico offshore and coastal links of hydrocarbons will combine modeling and observations (including targeted field studies) to advance recently revealed transformations in the Gulf of Mexico mesoscale eddy field and their influence on Loop Current/Florida Current evolution, and hence the connectivity between offshore exploration sites and coastal areas from the Northern Gulf to the Southern Gulf and the Straits of Florida.

 

Forecast products of circulation and water particles released at the oil spill site are computed at UM/RSMAS and provided at the links below. The support of the UM Center for Computational Science is greatly appreciated.

 

REAL TIME PRODUCTS

Surface circulation (current and 7-day prediction)

Particle trajectory predictions (surface): Initial locations inferred from oil patch images

 

HINDCAST PRODUCTS

Circulation at 1000m

 

Particle trajectories at depth - launched at the Deepwater horizon site

     (1) below the mixed layer

     (2) at 400m

Particle trajectories (surface): daily launches at the Deepwater Horizon location

Particle trajectories: hourly input at the Deepwater Horizon location (surface and water column)

 

ACADEMIC SCENARIOS of Particle trajectories (surface)

Particle trajectories (surface): scenarios of alternative spill sites

     (1) Scenario 1

     (2) Scenario 2

     (3) Scenario 3

     (4) Scenario 4

 

 

MEDIA COVERAGE

 

 

 


RESOLUTION:

~3.5km (0.04°) or ~7km (0.08°), 20 or 26 vertical levels (isopycnic/z-coordinates in deep water, sigma coordinates over shelf)

 

 


NESTED: Yes


OUTER MODELS:

Boundary conditions are obtained from the HYCOM model prediction system

 


DATA ASSIMILATION:

Yes, using the Navy Coupled Ocean Data Assimilation NCODA scheme


FORCING:

Navy Operational Global Atmospheric Prediction System (NOGAPS) 1 degree


APPLICATIONS:

Surface circulation
Circulation at 1000m
Particle trajectories: scenarios of alternative spill sites
Particle trajectories: daily launches near the Deepwater Horizon location
Particle trajectories: scenario1 launches in the Loop Current
MEDIA COVERAGE
Particle trajectories at 400m depth - launched at the Deepwater Horizon location
Particle trajectories below the mixed layer - launched at the Deepwater Horizon location
Particle trajectories:scenario2 launches in the Loop Current
Particle trajectories:scenario3 launches in the Loop Current
Particle trajectories:scenario4 launches in the Loop Current
Particles trajectories:hourly input at the Deepwater Horizon loation
Particle trajectories predictions (surface): Inital locations inffered from oil patch images (July 12 to July 22)
CONE - CONectivity controlled by Eddies: Gulf of Mexico offshore and coastal links of hydrocarbons


CONTACT:

Villy Kourafalouvkourafalou@rsmas.miami.edu
HeeSook Kanghkang@rsmas.miami.edu


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