GEOG 482 GIS Key Concepts Review
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Questions and Answers

What is the term used to describe the discrete object geographic representation that has arc ending points, starting points, nodes, vertices, polygons, and linear features?

  • Network representation
  • Schematic representation
  • Geometric representation
  • Topological representation (correct)
  • Which concept in GIS involves the qualitative properties and spatial relationships of geographic features?

  • Containment
  • Proximity analysis
  • Adjacency
  • Topology (correct)
  • In GIS, what term is used to describe data that represents real-world entities and their attributes?

  • Conceptual model (correct)
  • Physical data model
  • Theoretical model
  • Abstract data model
  • What type of data refers to information that is represented by distinct, separate entities or objects in GIS?

    <p>Discrete data</p> Signup and view all the answers

    Which GIS concept focuses on the relationships of features sharing common boundaries or touching each other?

    <p>Adjacency</p> Signup and view all the answers

    What term describes the process of representing real-world entities in a GIS system?

    <p>Georeferencing</p> Signup and view all the answers

    Which GIS concept involves the arrangement and connectivity of nodes and vertices within a network?

    <p>Network topology</p> Signup and view all the answers

    What is the term for representing geographic entities as points, lines, or polygons based on their geometry?

    <p>Geometric modeling</p> Signup and view all the answers

    In GIS data models, what is a characteristic of vector data compared to raster data?

    <p>Vector data structures are generally simple with only one attribute per dataset.</p> Signup and view all the answers

    Which type of spatial resolution is typically fixed and achieves precision through large data volumes?

    <p>Fixed spatial resolution achieved with large data volumes</p> Signup and view all the answers

    What is the key difference between vector and raster data structures?

    <p>Raster data structures handle multiple attributes making them more complex.</p> Signup and view all the answers

    Which type of data source is commonly associated with raster data models?

    <p>Remote sensing images</p> Signup and view all the answers

    What is the typical characteristic of vector data volume compared to raster data volume?

    <p>Vector data volume is usually smaller but highly precise</p> Signup and view all the answers

    Which type of application is more common for raster data models compared to vector data models?

    <p>Environmental applications</p> Signup and view all the answers

    What aspect of vector and raster data models makes raster structures more complex?

    <p>The handling of multiple attributes in raster structures</p> Signup and view all the answers

    Which aspect contributes to the complexity of raster data structures?

    <p>The fact that raster structures handle multiple attributes.</p> Signup and view all the answers

    What is the term used to describe the smallest geographic unit on a map?

    <p>4x4 cells</p> Signup and view all the answers

    In terms of resolution, what does a 400 cells map represent?

    <p>Fine (double) resolution</p> Signup and view all the answers

    Which source is referenced in the text for learning landscape ecology?

    <p>Gergel SE &amp; Turner MG. 2002. Learning Landscape Ecology. Springer</p> Signup and view all the answers

    What is the cell size for a map with fine resolution and narrow extent?

    <p>100 cells</p> Signup and view all the answers

    Which term refers to a map with broad extent and coarse resolution?

    <p>20x20 cells</p> Signup and view all the answers

    What is the main focus of the book 'Learning Landscape Ecology' by Gergel SE & Turner MG?

    <p>Understanding landscape patterns and processes</p> Signup and view all the answers

    In the context of the text, what does 'GEOG 482' refer to?

    <p>Geographic Information Systems course</p> Signup and view all the answers

    'Changing Scales' in the text primarily refers to variations in _____________.

    <p>Geographic coverage and resolution</p> Signup and view all the answers

    'An Intro. to Geog. Info. Systems, 3rd Ed.' is most likely a/an ___________.

    <p>Textbook title</p> Signup and view all the answers

    What aspect of landscape ecology is emphasized in 'Learning Landscape Ecology' by Gergel SE & Turner MG?

    <p>Spatial patterns and ecological processes</p> Signup and view all the answers

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