The TDP (Tactical Decision Problem) associated with oil spill clean up operations prescribes the time-phased allocation of available components over the planning horizon so that the clean up requirement at each critical time point is met. The objective is to minimize response time to allow for the most effective clean up possible. In this paper, the TDP is formulated as a general integer program. A method based on graph theory is devised to efficiently generate RSTs (response system types), including constituent components, the locations from which each of the component types is obtained, and the staging area at which that RST is composed. Several pre-processing methods are presented and expressions for bounds on decision variables are derived to facilitate solution. Then two heuristics are developed to obtain approximate solutions to the TDP. The first heuristic is an LP-based method, while the second uses a combination of LP relaxation and branch and bound. The two heuristics are compared on problems that are based on realistic scenarios representing application in the Galveston Bay Area.
Prescribing tactical response for oil spill clean up operations
Taktische Reaktionen auf Verschmutzungen durch Öl. Strategien bei Tankerkollisionen
Management Science ; 43 , 3 ; 386-402
1997
17 Seiten, 3 Bilder, 7 Tabellen, 15 Quellen
Aufsatz (Zeitschrift)
Englisch
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