ECS-EEZ | B K Jena

Extension of continental shelf & Geoscientific studies of Exclusive Economic zone (ECS-EEZ) - NIOT Component

a) Objectives

To carry out offshore water bathymetry survey from +2m HTL to 500m water depth along the East coast of India using single & multi-beam state of the art of technology.

b) Importance of the project on economics and job creation

This offshore water bathymetry data, along with shallow water bathymetry, is very important for nearshore modelling, inundation mapping, coastal flooding and coastal process studies.
It was also used for Tsunami, siltation, and sea level rise study.
This project gives human resources utilisation in data acquisition, analysis, post-processing, map generation, data archiving and management.

c) Methodology implemented

Topographic survey from +2m above HTL to 0m using traditional Real Time Kinematic GPS survey
Shallow water bathymetry survey from 0m to 5m using traditional single-beam echo-sounder mounded in water scooter
Shallow water bathymetry survey from 5m to 30m using traditional single-beam echo-sounder
Shallow water bathymetry survey from 30m to 500m using traditional multi-beam echo-sounder

d) Outcomes / Deliverables

Prepared SoP for single-beam and multi-beam bathymetry surveys along the East coast of India.
Prepared QA/QC procedures for both single and multi-beam bathymetry survey
Database for bathymetry and topographic survey data.
Larger maps for bathymetry and topography for the entire survey
Digital Terrain Model (DTM) for entire east coast bathymetry and topography data
Developed bathymetry setup at water scooter (Jetski) for shallow water bathymetry (0-5m).
Shallow water bathymetry survey along West Bengal and Andhra Pradesh coast has been completed in all respect, and a total of 50% and 58% of the work has been completed in Tamil Nadu and Odisha coast.

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