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India plans automated ocean pollution observation

India is all set to opt for automatic observation of pollution in the ocean to crunch data that will aid the tourism industry and could also come in handy in countering allegations levelled by developed nations against the country being a major polluter



Kolkata: India is all set to opt for automatic observation of pollution in the ocean to crunch data that will aid the tourism industry and could also come in handy in countering allegations levelled by developed nations against the country being a major polluter, according to a scientist.

"We have proposed a completely new project to automatically observe pollution in the ocean and see whether we can mimic that observation using a mathematical model.

We will use those observations to understand the processes which are going on in the coastal waters and provide an estimation of the water quality," S.S.C. Shenoi, Director, Indian National Centre for Ocean Information Services (INCOIS), Earth System Science Organisation, told IANS.

INCOIS is an autonomous body under the Ministry of Earth Sciences (MoES). The proposal is already with the MoES and initial approvals have been given.

Shenoi elaborated on the advantage of having an automated system in the ocean waters, which are known to have absorbed about half of man-made carbon dioxide (emission) over time.

"First of all we will know how our waters are changing. These are issues which are always debated and we need correct measurements," Shenoi pointed out.

As for the tourism industry flourishing along the Indian coasts, the pollution forecast will assist in deciding a threshold of dumping waste into the waters. 

"Then we will be able to provide the forecast of the pollution that will help the tourism industry. Because tourism is picking up it will tell the government regulatory authorities how much we can afford to dump in the sea," he said, adding.

To bring this project to fruition, INCOIS will deploy ocean data acquisition systems called automated moorings.

Moored ocean buoys provide real-time, continuous, frequent, and accurate observations of marine conditions from the same deep-water location.

"We are planning to use automated moorings which will be placed at selected locations and they will record the data and transmit it to INCOIS on a daily basis. We will collaborate with other institutions as well," said Shenoi, also the Director of the National Institute of Ocean Technology.

Six devices will be installed along the Indian coastline.

"One will be off West Bengal, another one close to Vizag, one along Chennai and three in the Western coast. Each mooring will cost around Rs. 4 crore and for an initial project duration of three years, the total investment will be Rs 160 crore," Shenoi said.

The moorings have onboard computer systems and sensors and will offer insights on how different ocean parameters vary with time scales.

"The time scale varies from few minutes to few hours (when tides are active) to seasonal and intra-seasonal and annual changes. All these constitute different time scales and all these observations will tell us what are the time scales and what are the most significant changes that are occurring in the coastal waters, regarding any of the parameters.

"So the data will help estimate how those parameters look like along the Indian coast," he added.

From Zee News

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