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<br />One such model is the Alternative Land Use Forecasting (ALUF) <br /> <br /> <br />program, developed by the Institute for Water Resources. (ALUF is not <br /> <br /> <br />operational at the time of this publication.) The following describes how <br /> <br /> <br />ALUF employs user-determined attractiveness factors for allocating land <br /> <br />use. <br /> <br />Major attractiveness criteria include: <br /> <br /> <br />1. Access: distance to interstate highways and other major roads, <br /> <br /> <br />distance to the central business district or other major <br /> <br /> <br />commercial centers, distance to sources of supply and markets, <br /> <br /> <br />and availability of public transportation. <br /> <br /> <br />2. Physical and land attributes: flood hazard, slope, drainage, <br /> <br /> <br />ground cover, and soils. <br /> <br /> <br />3. Infrastructure: water supply, sewer system, electricity, and <br /> <br />natural gas. <br /> <br />4. Local prerogatives: zoning, land use plan, transportation, and <br /> <br />infrastructure plans. <br /> <br />5. Land prices. <br />6. Land ownership <br />Once these factors are identified for each of the potential land use <br /> <br />categories, it is necessary to establish the importance of each of these <br /> <br />variables and build that into the allocation equation either by giving <br /> <br /> <br />each variable a weight or factoring it in as a constraint. The planner <br /> <br /> <br />can then apply these factors to determine the predominant land use or the <br /> <br /> <br />proportion of land use distribution for each designated planning area. <br /> <br /> <br />Planning areas can be defined as grid cells of uniform sizes. <br /> <br />VI-8 <br />