18.1..3.D. Overlays and geographic information systems

Try these first

1. 1.

   What is the purpose of using overlays in Environmental Impact Assessments?

   Hint

   Think about how overlays help in visualization.

2. 2.

   Name one drawback of using GIS in EIA.

   Hint

   Consider what makes data effective in GIS.

3. 3.

   What does GIS stand for?

   • Geographic Information Systems
   • Global Information Systems
   • Geographic Investigation Systems

   Hint

   Remember what GIS is primarily known for.

4. 4.

   True or False: Overlays can assess the quantitative impacts of projects.

   • True
   • False

   Hint

   Consider the limitation of the overlay technique.

5. 5.

   Design a hypothetical project using GIS and overlays. Identify potential environmental impacts and recommend mitigation strategies based on your findings.

   Hint

   Think creatively about how GIS can assist in identifying risks.

6. 6.

   Evaluate the effectiveness of a past project that utilized overlays in impact assessments. What were its successes and shortcomings?

   Hint

   Research past projects that are documented for their EIA methodologies.