Manual on Protection and Control of Coastal Erosion in India

Abstract

I. Introduction I. I General review on causes of beach erosion I·2 Rise of sea level 1·3 Heavy storms, storm surges, wave action and its seasonal effects 1.4 Littoral drift barriers, natural and man-made conditions in India 2· Beach Surveys 2.1 Bathymetric surveys 2.2 Sand sampling and analysis 2,2.1 Sand sampling 2.2.2 Sample analysis 2·2.3 Beach fill models 2.3 Wave surveys 2.3.1 General 2.3.2 Wave measurements 2.3.3 Relationship between the visual and the Instrumental data 2.4 Current and tide surveys 2.4.1 General 2.4.2 Current measurements 2.4·3 long term analysls of current data 2.4·4 Tide surveys 2.5 Littoral drift surveys 3. Coastal Protection 3. I Basic aspects 3· I . I Material balance 3·1·2 Beach and bottom profiles 3· 1·3 Wave machanics aspects 3·2 Review of coastal protective measures 3.2·1 Natural and man-made coastal protection 3. 2.2 Pre-requisites for coastal protection 3· 2·3 types of coastal protection 3·2·4 Choice of protective measures Design details 3 ·3·I Seawalls and revetments 3·3·2 Dunes and dykes - overflow protection 3·3.3 Groins 3·3.4 Offshore breakwaters 3·3·5 Nourishment of beaches 3.3·6 Bypassing of material at tidal inlets