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Key Objectives for the Session

  • Understanding how to further learning in GIS.

  • Familiarization with the final exam format and study strategies.

  • Review of course content.

  • Practice with flowchart questions.

GIS Initiatives and Resources

  • Global Forest Watch:

    • Empowers management and protection of forest landscapes with updated data and tools.

  • Mapping & GIS Services:

    • Plays a vital role in land use, rights representation, and enhances negotiations with stakeholders.

Final Exam Format

  • Date: April 22, 12 pm

  • Location: SWNG 122

  • Sections of Exam:

    • Part 1: Multiple choice, fill-in-the-blank, and short answer questions.

    • Part 2: Essay question.

    • Part 3: GIS project/flowchart question.

  • Coverage: Questions will include lecture material and all course content.

  • Format: Given via lockdown browser and paper (for flowchart).

  • Notes Allowed: One double-sided page (8.5x11).

GIScience Overview (Module 1)

  • Difference between GIScience and GISystems:

    • GIScience focuses on the foundations and theoretical aspects while GISystems deals with the practical applications.

  • GIS Questions: Can answer various spatial questions related to data analysis and representation.

  • Origins and Elements of GIS:

    • Coverage of historical context and fundamental components (hardware, software, data, methods).

Coordinate Reference Systems & Map Basics (Module 2)

  • Types of Coordinate Systems:

    • Geographic (lat/long) vs Projected (2D representation).

  • Key Projections:

    • Understanding the importance of scaling, accuracy, and precision in mapping.

Geospatial Data Models (Module 3)

  • Vectors vs. Rasters:

    • Vector data represents discrete features, while raster data represents continuous fields.

  • Spatial Autocorrelation:

    • The concept describing how similar or dissimilar objects are spatially correlated.

  • MAUP (Modifiable Areal Unit Problem): Considerations in spatial analysis due to varying spatial units.

Demographics and Tabular Data (Module 4)

  • Measurement Scales: Different types of scales for analyzing data (nominal, ordinal, interval, ratio).

  • Census Data: Utilized for demographic analysis and understanding population distributions.

Geographic Analysis & Flowcharts (Module 5)

  • Types of Geographic Analysis:

    • Area and length operations, queries, proximity analysis, polygon overlays, and network analysis.

  • Flowchart Development: Essential skills in interpreting and constructing flowcharts for spatial decision-making.

Data Input Methods (Module 6)

  • Techniques for data input include scanning, georeferencing, digitizing, remote sensing, and GPS surveying.

Visualization and WebGIS (Module 7)

  • Key Concepts:

    • Techniques for effective map design including visual hierarchy, symbology, and web applications.

Error and Ethics in GIS (Module 8)

  • Types of Error Sources:

    • Different errors may be caused by human mistake, hardware, or drawing conclusions based on inaccurate data.

  • Ethical Considerations:

    • Addresses privacy, social justice, and geopolitical concerns in GIS applications.

GIS Applications and Research (Module 9)

  • Real-World Applications:

    • GIS is increasingly utilized for transportation research, forest monitoring, and a variety of other sectors.

Important Takeaways from the Course

  • Develop a basic toolkit for GIS analysis.

  • Enhance geospatial literacy and map interpretation skills.

  • Cultivate a critical eye for geographic analyses and visualizations.

  • Enjoy GIS humor and community engagement!

Map Projections and Distortion

  • Understanding Map Distortion:

    • Importance of analyzing map grids compared to spherical grids.

  • Tissot’s Indicatrix:

    • Tool to visualize distortion, illustrating areas and angles that can be preserved or distorted.

    • Types of Distortion: Areal preservation, angular distortion, and both.

  1. No distortion

  2. Area preserved, angles distorted

  3. Area distorted, angles preserved

  4. Areal and angular distortion