Lecture 4 - Baseline Studies: Environmental Constraints Mapping

What are EIA Baseline Studies?

detailed info about

• project- size, location, infrastructure

• size conditions - land-use, EN constraints

Role of Information in EIA

EIA entirely dependent

many data sources

Data Requirements for Different EIA Stages:

Screening

broad preliminary info

quick and cost-effective

government datasets and gis for rapid

Data Requirements for Different EIA Stages:

Scoping

more detailed data

To assess significance Ro

Role of GIS in Baseline Studies:

Benefits

efficient analysis across layers

visual representation

alternate proposals possibleRole of GIS in Baseline Studies:

Role of GIS in Baseline Studies:

Limitations

high cost and software complexity

data inconsistencies

limited access to private datasets

Using Baseline Data for Impact Assessment

categories of risk

• high

• moderate

• low