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  • Title: Simulating the migration of drifters deployed in the Bay of Biscay, during the Prestige crisis.
    Author: Caballero A, Espino M, Sagarminaga Y, Ferrer L, Uriarte A, González M.
    Journal: Mar Pollut Bull; 2008 Mar; 56(3):475-82. PubMed ID: 18155734.
    Abstract:
    A main conclusion following the oil spill from the Prestige tanker was that improvements in ocean circulation models were necessary; this was in order to predict, more accurately, the trajectories followed by the oil slicks and hence assist in fight against oil pollution operations. In this contribution, the results of the validation of a semi-empirical ocean circulation model, parameterised for the Bay of Biscay and forced with operational oceano-meteorological remote sensing observations, are shown. The model results have been validated with observations from drifting buoys, deployed in the Bay of Biscay during the crisis. The results show that the model explains a relatively large percentage of the current variability. The comparisons between the real and the estimated drifter trajectories indicate that for 3, 5 and 7 day-long trajectories, the drifter position is estimated with errors of approximately 23, 35 and 46km, respectively. The model reproduces relatively well the trajectory followed by the drifter with the shortest period (23 days).
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