On Experiments On Oil-spill Booms In
Three Atlantic Coastal Zones:
La Rochelle, Lorient And Brest
Author(s)
F. Muttin
Abstract
The intrinsic performance of the protection of coastal zones of the Atlantic
against oil-spills by using floating booms needs to be improved in the current
conditions. To define a contingency plan in advance, a one-dimensional
numerical code has been used for many years. A three-dimensional membrane
finite-element method is proposed to give more complete results on boom
geometry and boom stress. To improve the booms’ performances and validate
numerical methods three experiments are described. The first experiment is
conducted in the open-sea harbour of La Rochelle, with current conditions higher
than 3 knots. In the Lorient oil wharf an experiment attempt shows the
constraints due to the uncertainties of a coastal zone with harbour infrastructure
under extension and intensive maritime traffic. In the Elorn estuary, Brittany,
France, a third experiment is described with current conditions bounded by 0.9
knots. The environmental performance of a floating boom is also evaluated using
an economic approach. The budgets of these three experiments are evaluated and
analyzed. These budgets estimate the technical and human efforts needed to use
a boom in such coastal zones. The knowledge of both environmental and
economical performances must be added to the theoretical performances given
by numerical computations.
Keywords: spilled oil, floating boom, environmental evaluation, economic
evaluation, numerical methods, scale-one experiments.
1 Introduction
The protection of the maritime environment against oil pollution is governed by
several international conventions (MARPOL, Boon Agreement, ERIKA
Keywords
spilled oil, floating boom, environmental evaluation, economic
evaluation, numerical methods, scale-one experiments
Related Book
Other papers in this volume
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