Foreword

Chapter 1. Introduction

Chapter 2. Status of Environmental Conflicts related to Tunnel Construction
1. Environmental Arguments in Tunnel Groundwater Outflow : Four Examples
2. Analysis Results of the Conflicts Examples and suggestions

Chapter 3. Methodology for Assessing the Tunnel Groundwater Outflow
1. Groundwater Flow Models
2. Comparison between Continuous and Fracture Media Model
3. Cases of Application to EIA

Chapter 4. Mitigation and Improvement Plan for the Tunnel Groundwater Impacts