11.5.2. Weighted Overlay Analysis

Try these first

1. 1.

   What is weighted overlay analysis?

   Hint

   Think about how different factors are assessed in decision-making.

2. 2.

   Name one criterion used in weighted overlay analysis.

   Hint

   What types of site characteristics do you think are important?

3. 3.

   What is the main purpose of weighted overlay analysis in GIS?

   • To conduct simple calculations
   • To score and rank suitable sites based on multiple criteria
   • To visualize data in 3D

   Hint

   Think about decision-making in construction.

4. 4.

   True or False: Weighted overlay analysis considers only one factor in its assessment.

   • True
   • False

   Hint

   How many factors do you think are usually relevant?

5. 5.

   Design a weighted overlay analysis for a proposed eco-park location considering factors like biodiversity, accessibility, and urban impact.

   Hint

   How do you assess each factor's impact on the park's design?

6. 6.

   Evaluate how changing the weighting from equal distribution to 70% slope and 30% utility proximity affects the rankings of potential sites.

   Hint

   How would each site fare under different prioritized circumstances?