PPT Slide

• The MOST important Data Elements (esp. for coastal data)

  • Exact LOCATION
  • SCALE – often large scale
  • MAP PROJECTION – accuracy and spatial distortion
  • UPDATE AND MAINTENANCE FREQUENCY

    • Coastlines are dynamic, they fluctuate
  • COMPLETENESS OF THE DATA
  • SPATIAL REFERENCE METHOD

    • Point, Vector, Raster
    • Example: Trees