![]() ![]() ![]() Regular reading of the water body using the DO meters will help to keep check on the water’s dissolved oxygen level,” said a KMDA official. “It is during this winter season that the dissolved oxygen level in the water body gets reduced when there is fog and cloudy conditions. The authorities have meanwhile bought two dissolved oxygen (DO) meters to regularly read the dissolved oxygen level at the waterbody. KMDA officials said the water body has a depth of about 20 feet in the middle but no survey has been carried out till date to know its exact depth and condition of the water bed. Knowing the depth will help them install the pipes carrying liquid oxygen at a depth that does not interfere with the rowing activity. ![]() The fountains had to be removed after rowing clubs pointed out that they posed a threat to the safety of both the rowers and their equipment and were a hurdle in the only rowing course in the state. KMDA wants to avoid the criticism that it had faced when it installed three fountains for aeration. The time it takes for the sound wave to return with an echo indicates the depth. Sonar sends sound waves to the bottom of the water body. Officials said that preliminary talks have already been held with an agency that will use sonar technology to measure the lake bed and the depth from the surface. KMDA officials said knowledge about the 73-acre lake’s depth was required to install pipes and inject liquid oxygen into the water body in a bid to increase the dissolved oxygen level. Kolkata: The Kolkata Metropolitan Development Authority (KMDA) plans to conduct a survey to measure the depth of the Rabindra Sarobar lake to assess the present condition of the water bed. ![]()
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