India and Mauritius recently held a joint coordination meeting onboard INS Sarvekshak to commence the Joint Hydrographic Survey aimed at enhancing navigational safety in Mauritian waters.
About INS Sarvekshak:
It is an Indian Navy hydrographic survey ship, based at Southern Naval Command in Kochi.
It is fitted with state-of-the-art survey equipment like Deep Sea Multi-Beam Echo Sounder, Side Scan Sonars and a fully automated digital surveying and processing system.
In addition, the ship carries an integral Chetak helicopter, which would be extensively deployed during the survey.
The ship is the second ship of the Darshak class of ships and has a complement of 15 officers and 175 sailors.
In the past, INS Sarvekshak has also undertaken foreign cooperation surveys in Sri Lanka, Mauritius, Seychelles, Tanzania, and Kenya.
What is Hydrography?
It is the branch of applied sciences which deals with the measurement and description of the physical features of oceans, seas, coastal areas, lakes, and rivers, as well as with the prediction of their change over time.
This is done mainly with specialised ships and boats operating echo sounders and sonars, but also using survey aircraft fitted with lasers.
Useful information can also be derived sometimes from satellite observations.
It also involves measuring the tide and the currents.
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