Extends basic GIS concepts and mechanics. Develop GIS models for human and environmental applications. Grid and vector data models, tessellated and hierarchical data structures, terrain representation, interpolation and kriging, spatial regression. Small group projects design, implement and run GIS models. Recommended prereq., working knowledge of GIS software. Same as GEOG 5203. Requisites: Requires prerequisite course of GEOG 4103 (minimum grade C-).