Geomorphology and Physical Oceanography of the Lakshadweep Coral Islands in the Indian Ocean by T.N. PrakashGeomorphology and Physical Oceanography of the Lakshadweep Coral Islands in the Indian Ocean by T.N. Prakash

Geomorphology and Physical Oceanography of the Lakshadweep Coral Islands in the Indian Ocean

byT.N. Prakash, L. Sheela Nair, T.S. Shahul Hameed

Paperback | December 1, 2014

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The Lakshadweep islands are a group of 36 coral islands in the Indian Ocean. These small islands are unique for their aquatic bio-diversity and vast blue lagoons. This book presents the results of studies done by the authors during the period 1990 to 2009 that address the beach morphology, hydrodynamics, energy resources and management options with special reference to the issue of both natural and anthropogenic coastal erosion. The relatively low island elevation makes the islands more susceptible to high-wave attack and coastal flooding during adverse weather conditions. The islands are also prone to risks from episodic events like cyclones and deep depressions. This highlights the need for a comprehensive study of the wave, climate and coastal processes at work during different seasons to delineate the factors responsible for shoreline changes and also to identify the locations that need protection and the management options.

This book will serve as a guide to researchers, scholars and students who are interested in the coastal processes of coral islands.

Title:Geomorphology and Physical Oceanography of the Lakshadweep Coral Islands in the Indian OceanFormat:PaperbackDimensions:111 pages, 23.5 × 15.5 × 0.02 inPublished:December 1, 2014Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3319123661

ISBN - 13:9783319123660

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Table of Contents

1. Lakshadweep Islands

            1.1       Introduction

            1.2       Origin of Islands

            1.3       Geology and Geomorphology of Islands

            1.4       Historical Profile

            1.5       Socio-Economic Profile

            1.6       Livelihood

            1.7       Administrative Setup

                        1.7.1    Panchayati Raj System

                        1.7.2    Judicial System

            1.8       Topography and Surface Characteristics

            1.9       Groundwater Resources

            1.10     Ecological Profile of the Islands

                        1.10.1 Coral Reef

                        1.10.2 Status of Coral Reefs

            1.11     Natural Hazards



2. Hydrodynamics of Lakshadweep Sea           

            2.1       Introduction

            2.2       Waves

                        2.2.1  Wave Heights

                        2.2.2  Wave Periods

            2.3       Wave Direction

            2.4       Currents

                        2.4.1  In the Open Sea

                        2.4.2  Inside Lagoon

            2.5       Tide

            2.6       Wind

            2.7       Summary



3. Beach Morphology        

            3.1       Introduction

            3.2       Beaches of Lakshadweep

            3.3       Beach Monitoring Programme

            3.4       Beach Morphological Changes

                        3.4.1    Long-term Changes

                         Laccadive Group

                         Amindivi Group

                         Minicoy Group

                        3.4.2    Short-term Changes

                         Laccadive Group

                         Amindivi Group

                         Minicoy Group

            3.5       Beach Sediment Characteristics

            3.6       Shore Protection Measures

            3.7       Summary


4. Numerical Modelling of Coastal Processes of Kavaratti   Island   

            4.1       Introduction

            4.2       Numerical Model Studies : Models used

                        4.2.1   Spectral Wave (SW) Model

            4.3       MIKE21 Flow Model (MIKE21-FM)

                        4.3.1   Sediment Transport Module

            4.4       Model Setup

            4.5       Model Calibration and Validation

            4.6       Results and Discussion

                        4.6.1    Simulated Wave Parameters

                        4.6.2    Wave Diffraction

                        4.6.3    Coastal Circulation

                        4.6.4    Sediment Transport

                        4.6.5    Bed Level Changes

                        4.6.6    Impact of Anthropogenic Activities

                        4.6.7    Shore Protection Measures

                        4.6.8   Strengthening of Reef on the Northern Part of the Island       

            4.7         Summary



5. Energy Resources

            5.1       Introduction

            5.2       Present Status of Power Generation

            5.3       Economics of Power Generation

            5.4       Wave Power Potential

            5.5       Wind Power Potential

            5.6       Advantages of Renewable Energy

            5.7       Summary



6. Integrated Coastal Zone Management Plan for Lakshadweep Islands

            6.1       Introduction

            6.2       Coastal Zone Management in Lakshadweep

                        6.2.1    Existing Management Regulations

                        6.2.2    Local Level Planning

                        6.2.3    Coastal Regulation Zones

            6.3       ICZMP Approach

            6.4       Physico-Environmental Characteristics of the Islands (Resource)     

            6.5       Issues/Problems Related to Islands

                        6.5.1    Coastal Erosion and Shore Protection

                        6.5.2    Fresh Water Management

                        6.5.3    Conservation of Coral Reefs/Mangroves

                        6.5.4 Fishery Resource Exploitation and Catch Enhancement           

                        6.5.5    Sewage and Solid Waste Treatment

                        6.5.6    Tourism

                        6.5.7    Environmental Education for People

            6.6       Conflicts and Perceptions of the Stakeholders in Islands

            6.7       ICZMP

            6.8       Summary