CHAPTER 3 PROTECTION FROM WIND AND SALT SPRAY

摘要

This paper provides an overview of the hazard potential presented by wind and salt spray to human settlements in coastal areas of Southeast Asia. Damage to infrastructure (such as buildings, dams, bridges and dykes) and degradation of natural systems in Southeast Asia and India due to wind and salt spray are closely linked to climatological conditions that lead to high wind in the region (Section 1.1). The mechanisms for generation of salt spray and their relation to windspeed are discussed in Section 1.3. Introducing shelterbelts and coastal forests is proposed as an environmentally attractive method for suppressing damage due to wind and sea spray. The properties of shelterbelts that define their effectiveness for reducing wind and capturing sea salt are described in Section 2 and the development of guidelines for their re-establishment in coastal areas is addressed in Section 3. There is a brief discussion on economics and social aspects of establishing coastal forests in Section 4, and Section 5 offers concluding remarks.