UNIT 58 - LOCATION-ALLOCATION ON NETWORKS

UNIT 58 - LOCATION-ALLOCATION ON NETWORKS

  • A. INTRODUCTION
  • B. EXAMPLE - OIL FIELD BRINE DISPOSAL
  • C. COSTS
  • D. GIS IMPLEMENTATION
  • E. LOCATION-ALLOCATION ANALYSIS MODULE
  • REFERENCES
  • EXAM AND DISCUSSION QUESTIONS
  • NOTES

    UNIT 58 - LOCATION-ALLOCATION ON NETWORKS

    A. INTRODUCTION

    Network problems

    Location-allocation problems

    Objectives

    Applications B. EXAMPLE - OIL FIELD BRINE DISPOSAL

    Brine disposal

    Disposal options

    The location-allocation problem

    C. COSTS

    Pipe cost

    Truck cost

    Disposal well cost

    D. GIS IMPLEMENTATION

    E. LOCATION-ALLOCATION ANALYSIS MODULE

    Sensitivity analysis

    Problems with link-node models

    REFERENCES

    Ghosh, A. and G. Rushton, 1987. Spatial Analysis and Location- Allocation Models, Van Nostrand, Reinhold, New York. Includes many applications of location-allocation methods.

    Golden, B.L. and L. Bodin, 1986. "Microcomputer-based vehicle routing and scheduling software," Computers and Operations Research 13:277-85. Reviews the availability of network analysis modules for microcomputers.

    Goodchild, M.F. and J.A. Donnan, 1987. "Optimum location of liquid waste disposal facilities: formation fluid in the Petrolia, Ontario oilfield," in M. Chatterji, Editor, Hazardous Materials Disposal: Siting and Management, Gower, Aldershot, UK, pp 263-73.

    EXAM AND DISCUSSION QUESTIONS

    1. Evaluate the Petrolia study as an example of the application of an objective, scientific technique. In what ways was the methodology arbitrary? Which parts of it would be most difficult to defend in court, and which parts would be easiest?

    2. The Petrolia study was presented as an isolated stage in the decision-making process. Discuss the issues involved in implementing the results of studies like these, and ways in which the models and associated GIS might be involved as the implementation proceeds.

    3. What functions would a GIS need to play the role outlined in this unit? What functions would be important in "selling" the solution through the political process, and modifying the solution in response to new concerns?


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