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Aerial surveillance of operational oil pollution in Belgium's Maritime Zone of Interest
Volckaert, F.A.M.J.; Kayens, G.; Schallier, R.; Jacques, T.G. (2000). Aerial surveillance of operational oil pollution in Belgium's Maritime Zone of Interest. Mar. Pollut. Bull. 40(11): 1051-1056. dx.doi.org/10.1016/S0025-326X(00)00056-4
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 273907 [ OMA ]

Keywords
    Accidents > Oil spills
    Analysis > Mathematical analysis > Statistical analysis
    Control > Pollution control
    Monitoring
    Monitoring > Environmental monitoring > Pollution monitoring
    Motion > Atmospheric motion > Winds
    Physics > Mechanics > Fluid mechanics > Hydrodynamics
    Pollution > Oil pollution
    Pollution > Water pollution
    Pollution > Water pollution > Marine pollution
    Pollution dispersion
    Remote sensing
    Remote sensing > Geosensing > Airborne sensing
    Slicks > Oil slicks
    Surveys > Aerial surveys
    Velocity > Wind speed
    Water bodies > Coastal waters
    Wave height
    Waves
    Waves
    ANE, Belgium [Marine Regions]; Belgium [Marine Regions]
    Marine
Author keywords
    aerial surveillance; Bonn agreement; North Sea; oil pollution; statistics; Traffic Separation Scheme

Authors  Top 
  • Volckaert, F.A.M.J., more
  • Kayens, G.
  • Schallier, R., more
  • Jacques, T.G., more

Abstract
    Belgium's Maritime Zone of Interest (BMZI), including the Belgian Territorial Sea, Belgian Continental Shelf, and Bonn Agreement Zone of Multilateral Responsibility, were regularly surveyed by remote-sensing aircraft for the presence of operational oil spills between 1991 and 1995. Simultaneously wind speed and direction were recorded; wave height was obtained from the literature. In total, 228 spills of various sizes, volumes and origins were analysed by means of univariate statistical analysis. We documented that the observed oil spills were generally elongate, narrow and thin, that spill dimensions were interrelated, and that wind speed and wave height affected these dimensions. A major fraction of the total variation however could be attributed to slick thickness. Spills found outside the Traffic Separation Scheme (TSS) tended to be smaller in surface area but showed no significant difference in average volume. Thus, the source of the spill more so than the hydrodynamics of the sea determined the characteristics of the spill. Given the impact of oil spills on marine life, continuous attention should be paid to monitoring and pollution control measures in the BMZI.

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