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Landscape Representation

  Since the study area is large, the landscape is modeled at two spatial scales: 100m grid cells and 500m grid cells, where each 500m grid cell represents 25 100m grid cells. At the 500m scale, the landscape is composed of 68,085 grid cells represented by a 420 row (RPIXEL) by 265 column (CPIXEL) grid cell map. Data maps containing vegetation types, forage quantities, and water depths are maintained at both spatial scales. Maps at the 500m scale are represented as two-dimensional arrays (RPIXEL by CPIXEL), and maps at the finer 100m scale are represented as three-dimensional arrays (RPIXEL by CPIXEL by 25) in the sequential model.

Michael W. Berry (
Wed Oct 11 14:53:18 EDT 1995