IAS (Admin.) IAS Mains GS Paper 3 (Science-Tech, Economy, Environment, & Disaster Management) Environmental Issues-Environmental Impact Assessment Study Material (Page 1 of 1)

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EIA Methodologies: Criteria for Selecting a Methodology, 5 Major Methodologies of EIA, Types of Ad Hoc Method, Types of Checklists

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EIA Methodology

  • EIA methodology is a structural approach devised to identify and predict value changes of a project action.
  • Criteria for selecting a methodology:
    • Simplicity
    • Budget and time
    • Flexibility
  • There are 5 major methodologies of EIA:
    • Ad Hoc
    • Checklists
    • Matrices
    • Networks
    • Overlays

Ad Hoc Method

This method depends on the expertise, background and experience of experts.

  • Types of Ad Hoc method:
    • Opinion Poll
    • Expert Opinion
    • Delphi method

Checklists

Checklists are prepared using highly structured approaches and importance is given to weighing of factors to ensure that no potential impact is overlooked.

  • Types of Checklists:
    • Simple Checklist
    • Descriptive Checklists
    • Scaling Checklist
    • Scaling Weighing Checklis…

… (411 more words) …

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