Dr. Yichun Xie, Professor and Director Institute for Geospatial Research and Education Eastern Michigan University USGS-GLSC, Ann Arbor, MI December 12, 2002 Projecting Urban Land Use Changes: DUEM - Dynamic Urban Evolution Modeling

Field

dead inactive Initial Landuse Units Viability (age) check Neighbor condition check Active seeds Transportation condition check Site selection for new growth Land use type for new growth Regional control & policy check Neighbor check at new site Transp. check at new site A new landuse unit generated Entire system check & update New Landuse Units Not successful simulations A successful simulation a new round simulation Generating new growth Accepting new growth Invalidating new growth A Flowchart of DUEM Simulation Procedures

A Flowchart of DUEM Software Running Procedures Turn on constraint Factor Create environment Load constraint grid Load initial landuse file (grid) Setup age property Load simulation rules Load active seeds (landuse units)

Turn on constraint Factor Create environment Load constraint grid

A Flowchart of Creating the Regional Constraint Grid through Spatial Analysis

Load initial landuse file (grid)

The Initial Landuse File Defines the Background of a Simulation Background

Setup age property

Load active seeds (landuse units)

Load simulation rules % GeoCA-Urban Rule Parameters: Blank Vacant Land StreetNode Street Node T StreetVertex Street Vertex House Housing Industry Industry Commerce Commerce Others Others

How to Define Simulation Rules Graphically - Street Node As an Example - 1

How to Define Simulation Rules Graphically - Street Node As an Example - 2

How to Define Simulation Rules Graphically - Housing Landuse As an Example - 1

How to Define Simulation Rules Graphically - Housing Landuse As an Example - 2