Matches in Data.gov.be for { ?s ?p Definition: the annual number of observations of operational oil pollution made by aircraft per 100 flight hours in Belgian and surrounding waters is the ratio of the number of illegal operational discharges by vessels at sea and along the coasts of the Belgian North Sea region to the number of flight hours of the control aircraft. The data come from the Management Unit of the Mathematical Model of the North Sea. ?g. }
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- 66f30db4c590766b564eb3ccd48b9cd9f9d158ba description "Definition: the annual number of observations of operational oil pollution made by aircraft per 100 flight hours in Belgian and surrounding waters is the ratio of the number of illegal operational discharges by vessels at sea and along the coasts of the Belgian North Sea region to the number of flight hours of the control aircraft. The data come from the Management Unit of the Mathematical Model of the North Sea." @default.