Curacao Oil spill modellingDOWNLOAD PROJECT SHEET
FINEL current modelling, oil spill modelling (GNOME), response training, field measurements
Ecovision / ISLA
Oil spil model including setup and response training
In August 2012 there was a recorded oil spill near the Bullenbaai Oil Terminal, Curacao. In response to this event ISLA, the terminal operator, has decided to setup an oil spill model and to train its personnel to react adequately in case of an oil spill.
Svašek Hydraulics has in cooperation with Ecovision, a local environmental consultant, set up an oil spill model of Curacao and an accompanying training programme for ISLA personnel. The oil spill model is setup in GNOME (General NOAA Operational Modelling Environment). In this modelling environment it is possible to schematise a local coastline and the main drivers of oil transport such as currents and wind.
Around Curacao three types of movers are of importance; wind, large scale ocean currents and wind driven currents. The first two are adopted from NOAA’s GFS and RTOFS model, the last have been modelled with Svašek’s inhouse developed hydrodynamic model FINEL.
The oil spill response training was focussed on how to model a future oil spill for non modellers: no black box usage! A two day course with customised exercises in which was focussed on learning how to be critical about the model results.
As a final step to optimisation of the model field measurements with an orange spill were carried out. The main conclusion coming from these measurements was that local variations in wind are very important and that an improvement of the near shore spreading of oil spills can be made by increasing the resolution of the wind input. Nevertheless, the model results and the field measurements exhibited a lot of similarities proving the GNOME model an adequate tool to use in oil spill response.
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