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Environmental Effects from Disturbance - Detailed Description Research Area Environmental Effects from Disturbance Reference 3.2 Title Mathematical Model of Pile Dispersal following Disturbance Objectives Develop/adapt a mathematical model which will predict the likely dispersal of cuttings pile material following disturbance from factors identified in research topic 3.1. Background A key element in developing an understanding of the likely environmental effects of various drill cuttings management options is determination of the dispersal patterns of cuttings pile materials subjected to a defined set of potential disturbances. Existing Information A number of sediment transport models have been developed and preference will be for use of an existing model. Scope From existing core sample and related environmental data establish modelling requirements. Define and agree modelling assumptions and desired outputs. Develop/adapt model and calibrate with agreed data. Conduct model runs under agreed set of environmental and disturbance scenarios. Predict likely dispersal for each disturbance mechanism. Deliverables Mathematical model which will predict the redistribution of cuttings pile material following disturbance under a pre-defined set of environmental and disturbance conditions. An agreement which gives sponsors and other interested parties. Schedule Requirements Basic modelling work to be completed within 3 months of placement of contract.