Designation:F2067−13StandardPracticeforDevelopmentandUseofOil-SpillTrajectoryModels1ThisstandardisissuedunderthefixeddesignationF2067;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesthefeaturesandprocessesthatshouldbeincludedinanoil-spilltrajectoryandfatemodel.1.2Thispracticeappliesonlytooil-spillmodelsanddoesnotconsiderthebroaderneedformodelsinotherfields.Thispracticeconsidersonlycomputer-basedmodels,andnotphysi-calmodelingofoil-spillprocesses.1.3Thispracticeisapplicabletoalltypesofoilinoceans,lakes,andriversunderavarietyofenvironmentalandgeo-graphicalconditions.1.4Thispracticeappliestotwo-dimensionalmodels.Therearethree-dimensionalmodelsinthemarketplace.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.Terminology2.1Definitions:2.1.1trajectorymodel—acomputer-basedprogramthatpre-dictsthemotionandfateofoilonwaterasafunctionoftime.2.1.1.1Discussion—Inputparametersincludeoilproperties,weather,andoceanographicinformation.Therearefourdiffer-entmodes:forecast,hindcast,stochastic,andreceptor.2.1.2contingencyplanning—planningofseveraltypestoprepareforoilspills.2.1.2.1Discussion—Thisplanningcanincludemodelingsuchasdescribedinthisguide,topredictwhereoilspillsmightgoandwhatthefateandpropertiesofthatoilwouldbe.3.SignificanceandUse3.1Trajectorymodelsareusedtopredictthefuturemove-mentandfateofoil(forecastmode)incontingencyplanning,inexercisesandduringrealspillevents.Thisinformationisusedforplanningpurposestopositionequipmentandresponsepersonnelinordertooptimizeaspillresponse.Oil-spilltrajectorymodelsareusedinthedevelopmentofscenariosfortrainingandexercises.Theuseofmodelsallowsthescenariodesignertodevelopincidentsandsituationsinarealisticmanner.3.2Oil-spilltrajectorymodelscanbeused...
