Podcast
Questions and Answers
What is the main difference between primary and secondary environmental impacts?
What is the main difference between primary and secondary environmental impacts?
- Primary impacts are short-term, while secondary impacts are long-term.
- Primary impacts are economic, while secondary impacts are social.
- Primary impacts are local, while secondary impacts are global.
- Primary impacts are directly attributed to the project, while secondary impacts are indirectly induced. (correct)
What is the main purpose of overlay mapping in predicting environmental impacts?
What is the main purpose of overlay mapping in predicting environmental impacts?
- To identify the soil type of a project area.
- To identify the economic benefits of a project.
- To identify the areas where different impact concerns overlap. (correct)
- To identify the best location for a project.
What is an example of a simple quantitative technique used to predict environmental impacts?
What is an example of a simple quantitative technique used to predict environmental impacts?
- Geographic Information Systems (GISs)
- Computer-aided design (CAD)
- Cost-benefit analysis
- Overlay mapping (correct)
What is a characteristic of Geographic Information Systems (GISs) that makes them useful in impact studies?
What is a characteristic of Geographic Information Systems (GISs) that makes them useful in impact studies?
How can impact prediction by overlay mapping be achieved?
How can impact prediction by overlay mapping be achieved?
What is the primary benefit of using GISs in impact studies?
What is the primary benefit of using GISs in impact studies?
Primary impacts are always attributed to the project's indirect consequences.
Primary impacts are always attributed to the project's indirect consequences.
Overlay mapping is a qualitative technique used to predict environmental impacts.
Overlay mapping is a qualitative technique used to predict environmental impacts.
GISs are only used for hand-drawn maps in impact studies.
GISs are only used for hand-drawn maps in impact studies.
The identification of overlaps of particular concerns is the final step in impact prediction by overlay mapping.
The identification of overlaps of particular concerns is the final step in impact prediction by overlay mapping.
Secondary impacts are always associated with changed patterns of social and economic activities.
Secondary impacts are always associated with changed patterns of social and economic activities.
Geographic Information Systems (GISs) are not used to assess cumulative impacts.
Geographic Information Systems (GISs) are not used to assess cumulative impacts.
Study Notes
Categorization of Environmental Impacts
- Environmental impacts can be categorized into primary and secondary impacts.
- Primary impacts are those directly attributed to the project.
- Secondary impacts are indirectly induced and include associated investment and changed social and economic activities.
Overlay Mapping Technique
- Overlay mapping is a simple quantitative technique used to predict anticipated impacts.
- It involves using a base map of the project study area and overlaying different soil or geologic features or particular impact concerns.
- The technique identifies where overlaps of particular concerns occur.
Methods of Overlay Mapping
- Hand-drawn maps can be used for overlay mapping.
- Computer-generated maps can be used for overlay mapping.
- Geographic Information Systems (GISs) can be used for overlay mapping, which is an advanced technique.
- GIS is a valuable tool for assessing cumulative impacts and is increasingly being used in impact studies.
Categorization of Environmental Impacts
- Environmental impacts can be categorized into primary and secondary impacts.
- Primary impacts are those directly attributed to the project.
- Secondary impacts are indirectly induced and include associated investment and changed social and economic activities.
Overlay Mapping Technique
- Overlay mapping is a simple quantitative technique used to predict anticipated impacts.
- It involves using a base map of the project study area and overlaying different soil or geologic features or particular impact concerns.
- The technique identifies where overlaps of particular concerns occur.
Methods of Overlay Mapping
- Hand-drawn maps can be used for overlay mapping.
- Computer-generated maps can be used for overlay mapping.
- Geographic Information Systems (GISs) can be used for overlay mapping, which is an advanced technique.
- GIS is a valuable tool for assessing cumulative impacts and is increasingly being used in impact studies.
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Description
This quiz covers the types of environmental impacts, including primary and secondary impacts, and their assessment methods like overlay mapping.
