Bonn Agreement - Accord de Bonn
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Inventory of Assessment Tools (Computer Models)

 

Oil

Contracting Party

Name of tool

Applicable area

Specific type of software

GIS

related

Calculation parameter(s)

Time horizon

Input

Output

Availability

Belgium

MU-slick  

Oil spill behaviour models: http://www.mumm.ac.be

Bonn Area

Fortran 77

Unix

No

Transport is calculated by vectorial addition of current and wind. Effects of gravity, surface tension, viscosity and inertia on a circular slick predict spreading. Weathering due to evaporation, dispersion, dissolution, aerosol formation and mechanical recovery.

One week in one-hour steps.

Spill location, date and time, type of oil.

Current.

Wind.

Maps, text, curves.

24 hours, request in office hours.

Denmark

SEA TRACK WEB http://www.cis.svn.dk/

Danish waters and the Baltic Sea

Windows

Yes

Vector addition of contribution from water current and wind

1 to 40 hours

Date, time, position, oil type, volume, wind, current and temperature

Numerical tables and maps

24 hours

France

TRANSSPILL

The Channel

Special Programme

No

Vectorial addition of current and wind.

1 to 72 hours

Current, wind, pollutant type and volume. Duration of discharge. Location. Emulsification rate.

Maps, weathering curves, tables, spill reports.

24 hours

Cedre

 

G.E.A.

Channel & Atlantic, North of 43°

Special programme

No

Vectorial addition of current and wind.

1 to 72 hours

Influence of current and wind.

Maps

24 hours French Navy Premar/Com

 

OSIS

Channel & North Sea

Windows

Inter-changeable

Particle based (lagrangian model).

1 to 72 hours

Current, wind, location, pollutant type and volume. Duration of discharge.

Maps, weathering curves, spreadsheets, spill reports

24 hours Cedre

 

MOTHY, (under development)

World Wide

 

Arcinfo
GIS

Atmospheric forecast provided by wind and sea-level pressure forecast from European Met. Office. 
Tide forcing including Channel & Bay of Biscay.

5 days with five-hours interval

Location.  
Pollutant type and volume.
Duration of discharge.

Maps

24 hours Météo France Cedre.

Germany

BSHdmod

Regional

Special programme

N/A.

Using stored and updated tidal current and wind data calculated in a hydrodynamic model. Particles are transported as a result of advection by tidal currents and turbulent diffusion, simulated by a Monte Carlo method. Account is taken of main physical processes.

Past and 36 hours in the future.  
It can be used in the back-tracking mode to trace the originator of a spill.

Date, time and position, amount, type of substance, continuous or spontaneous release.

Maps

24 hours

Ireland

Oilmap Chemmap

Irish Pollution Responsibility Zone

*

Yes, GIS is based on MapInfo MapX

Vectorial addition of current and wind and characteristics of oil in relation to behaviour

Depending in input data

Date, time, position, location, type and amount of pollution

Maps, mass on water, shoreline impact

24/7 (ASA Product)

*        The OILMAP model comprises several integrated components. The spill model itself predicts the movement of oil on the water surface and the distribution of oil in the environment (evaporated, in the water column, on the shoreline). For these calculations the spill model relies on environmental data such as wind and currents, physical data such as the proximity of shorelines, and the chemical data that defines the type of oil. Each of these types of data can be input and edited using the appropriate OILMAP component.

Spill models available:  
The basic model is the trajectory and fates model which tracks the oil’s movement on the water surface and determines the amount evaporated, dispersed into the water column, and stranded on the shoreline over time.
Subsurface model follows the oil’s movement both on the water surface and in the water column.  
Stochastic model
performs a large number of oil trajectory simulations using different wind conditions.  
Receptor model
is essentially the stochastic model run in reverse.

 

The Netherlands

SIMAP/ OILMAP

Worldwide

Windows environment

Yes

Generic theory on wind and current impact and characteristics of oil in relation to the behaviour.

Depending on input data.

Date, time, position. Location.  
Type and amount of pollutant.

Maps, mass on water, shore sediment.

24 hours, (ASA product)

Norway 1

 

 

 

 

 

 

Norway 2



Oil Weathering model

 

 

 

 

 



Oil Spill  
Contingency and Response  
(OSCAR) model ***

 

 

Area dependent

 

 

 

 

 


Worldwide

Special programme

 

 

 

 

 

 
Windows

 

N/A

 

 

 

 

 

 

Yes

 

Based on detailed laboratory weathering studies of each particular oil.  
Spreading, evaporation, natural dispersion, emulsification, pour point, flash point, emulsion stability, mass balance.

 

Oil Weathering, mass balance, spill trajectory, strategic response. Incorporates the SINTEF OIL Weathering MODEL (OWM) and Deep Blow models. Strategic analysis of alternate oil spill response. Net environmental benefit analysis (NEBA). Natural resource damage assessment (NRDA), Environmental Impact Factor (EIF) analysis  

Hours to weeks

 

 

 

 

 


Minutes to years

Laboratory weathering data, wind, temperature, slick thickness, rate

 

 

 

 


Oil types, release specifications (rates,  surface vs subsurface, multiple sourcesetc) winds, currents,bathymetry, coastline (from supplied worldwide databases.

Graphics, text

 

 

 

 

 

 

 

.

 

*** OSCAR, DREAM and ParTrack comprise a state-of-the-art 3-dimensional suite of oil spill and chemical release models that resolves releases with up to 200 separate chemical components or component groups, including degradation products. This allows for detailed and realistic environmental impact and risk analysis. Integrated capabilities include:

·          Laboratory-and field-calibrated oil weathering based on an international standard established by SINTEF

·          3-dimensional dynamic simulation and visualization of surface, subsurface, and coastal pollutant distributions and concentrations

·          Advanced gas and oil blowout simulation from deep and shallow waters

·          Stochastic environmental risk and net environmental benefit analysis (NEBA)

·          Natural resource damage assessment (NRDA)

·          Detailed analysis of alternate spill response strategies for oil spill contingency and response

·          Environmental Impact Factor (EIF) analysis for oil spills and operational releases such as produced water, drill muds and cuttings

·          Exposure of organisms, and dynamic body burden calculations

 

Norway

Deep Blow

Area independent

Special programme

No

Lagrangian buoyant jet/plume model simulating sub-sea blowouts from oil wells.

Compute dilution of a plume formed from a sub-sea blowout with oil and gas in stratified water masses. Includes potential hydrate formation.

Behaviour of plume at sea surface, including oil slick formation. Intgrated into OSCAR oil spill contingency and response model.  

Seconds to days

Spill rate and water depth. Sea temperature and salinity.

Underwater plume. Dilution, concentration. Spreading at surface.

Size and thickness of slick

 

 

ShipDrift  

(statistical ship drift model)

World Wide

Fortran

Yes

Drift time, influence area

Adjustable

Wind and current, ship specifications

Ship drift trajectories

On demand

 

OilTraj  

(statistical oil drift model)

World Wide

Fortran

Yes

Oil mass balance, drift time, influence area

Adjustable

Wind and Current, Oil weathering properties

Oil spill spreading (surface, subsurface, stranding)

On demand

 

ActLog

(Operational Oil Spill Response and planning toolkit)

World Wide

ArcView ArcIMS

Yes

 

Response time, Met-Ocean conditions, Vulnerable areas, Shoreline impact

N/A

Accidental event

Maps, GIS event tracker, Web interface