Technical FAQs

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What does RP mean?

RP stands for “Release Point”. In the IT-OSRA method, we address the widest range of spill scenarios occurred off the coastline of interest and the simulated spills are originated at the pre-set RPs.

What is the unit of measure of the Oil Spill Hazard maps?

As the reader will realize, GLAMOR is a website under construction, especially due to the large computational time necessary to perform the full experiment. The unique dataset being built is constantly giving us new insights and our methods for evaluating the outputs are evolving with time. For now, the Oil Spill Hazard (OSH) index is being computed as follows:

where M_Cmax  and M_Cmax are the bins corresponding to the minimum and maximum concentrations of interest,  is the number of beaching events in each bin and is the total number of events. For now, the minimum concentration of interest was defined as 50 tons/km in order to focus on the higher magnitude events.

There are plans to enhance the hazard index in the future when more spill scenarios will be available. The feedback loop through stakeholder engagement activities to discover the end-user needs will determine any new additions.

How were the ensemble members defined?

The ensemble members configuration was based on the available literature, trying to cover the uncertainties typically observed in oil spill events (see Sepp Neves et al., 2015 and 2016). Further information can be found in the description of our scientific methodology.

Can I use the GLAMOR results to have a reliable estimate of the hazard at my beach?

No. GLAMOR was thought and executed focused on giving a general picture of the oil spill hazard in the Atlantic basin at the national level. In other words, our experiment is focused on describing the bigger picture and the results may not be applicable in the fine scale. We should always bear in mind that the ocean fields used have a 1/12-degree spatial resolution and do not fully reproduce the circulation in the scale of hundreds of meters (i.e. one beach).