Transcription of 3.0 Methods for Environmental Impact Assessment
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December 1997 Chapter 3: Methodology of EIA EIA for Developing Countries -1 Methods for Environmental Impact Assessment Changes in the practice of Environmental Impact Assessment (EIA) and advances in information technology have greatly expanded the range of tools available to the EIA practitioner. For example, map overlay Methods , originally pioneered by McHarg (1971), have evolved into sophisticated Geographic Information Systems (GIS). Expert systems, a branch of artificial intelligence, have been developed to help in screening, scoping, developing terms of reference (TOR), and conducting preliminary assessments.
Rapid assessment techniques (Section 3.8) have been designed to cope with need for quick assessments to deal with rapid changes in many parts of the developing world. The Role of Expert Judgement Most methods and techniques for identifying, measuring, and assessing impacts rely on expert judgement.
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