With the consequence of climate change, it gradually extends towards inland water and soil. This scenario of gradual salinity intrusion into the coastal areas of Bangladesh is very threatening to the primary production system, coastal biodiversity and human health, said researchers. The total amount of salinity affected land in Bangladesh …
The world largest mangroveforest, Sundarbans is situated at the westerncoastal zone of Bangladesh that covers about 40% of the total forest and gives good feedback to the national economy. But for last few years, salinity increasing drastically in this particular region due to sea water intrusion, reduction of fresh water …
This report gives an overview of major environmental and socio-economic challenges that the Aral Sea region is facing, threats to the sustainable management of lake basin, major measures supported by the governments and international donor organizations aimed to address these critical environmental problems, and lessons learned from the environmental cooperation …
The distribution trends of trace elements over North and South Krishna delta were examined in relation to fresh-, brackish- and saline-water zonations. Strontium and boron have shown significant variations in fresh-, brackish- and saline-water environment. Strontium has shown a variation from 23 to 1500 mg/l in freshwater, 1650 to 2760 …
Letter to M/s Adani Chemicals Limited from additional director on establishment of salt works at Mundra District Kachchh by M/s Adani Chemicals Limited dated 04/08/2005.
• Half of the savings from washing machines; showers and toilets 47 per cent. • Water efficient washing machine uses two-fifths the water of a standard one • Efficient showerheads use 70 litres for an eight-minute shower; a regular one uses 120 litres. • A dual flush toilet uses eight …
The Telugu Ganga Project was conceived in the 1970s by the then prime minister Indira Gandhi, Telugu leader N T Rama Rao and Tamil leader M G Ramachandran. All the three are now dead, leaving the fate of the project to the ever fluctuating equations between the chief ministers of …
With the surface and groundwater options either running dry or proving highly undependable, Chennai is now looking at the sea. In several parts of the world, desalination projects have reliably met the water needs of large urban populations and in a cost-effective manner. Chennai's experience with treating brackish groundwater has …
The perpetual water shortage in Chennai prompted the Centre for Science and Environment (cse) to study the different facets of the problem. A Vaidyanathan, eminent irrigation economist, and water researcher J Saravanan conceptualised and supervised the survey, which was carried out by students of the Madras Christian College. The survey …
The water tanker has come to symbolise Chennai's water crisis. From January to October this year, Chennai Metro Water hired private agricultural wells and engaged lorries to supply water as its sources ran dry. "We were supplying water only through lorries (not pipes),' says S Ranganathan, engineering director of Metro …
The reality of Chennai's dependence on rain is not fully appreciated. If it were, then rainwater harvesting (rwh) would have been looked upon as a social obligation. Considering the annual average rainfall of 1,280 millimetre in the city area of 174 sq km, the annual rainwater harvesting potential is about …
Chennai Metro Water claims that no less than 98.6 per cent of the city is connected to the sewerage. If the rainfall (and consequently the water supply) is normal in Chennai, it generates 300 million litres per day (MLD) of sewage. It has a treatment capacity of 262 MLD, but …
"Shift Chennai to the vicinity of the Cauvery river,' says K Karunakaran, director of the Centre for Water Resources (CWR) of the Anna University, which advises the government on water issues. This preoccupation with a perennial river
The reason Chennai faces chronic water scarcity: it depends on the rain it captures in its lakes, ponds and groundwater aquifers. It has no perennial rivers. So, if the city has not built reservoirs of water, one or two bad monsoons leave it crippled. If the northeast monsoon (October-December) fails, …
Touted as the solution to all the water problems of Chennai, the New Veeranam Project is Tamil Nadu chief minister J Jayalalithaa's hobbyhorse. Under the project, a pipeline has been built to bring 180 million litres of water per day to Chennai from the Veeranam lake in Sathiathopu, Cuddalore district, …
Australia's Great Barrier Reef is facing a different kind of danger. Runoffs from the sugarcane fields along the 2,000-kilometre-long coastal strip that runs parallel to the reef are said to increase soil acidity in the area, a problem serious enough to rival the better-known blight of dryland salinity. Highlighting this, …
at least 30 carcasses of the Olive Ridley sea turtles were recently found over a two-kilometre stretch between Point Calimere and Vedaranyam in Nagapattinam district of Tamil Nadu. "The deaths were very recent as dogs, crows and even a wild bear were still feeding on the carcasses,' said R Vijayakumar …
those who want to produce aromatic wine should head for Israel. Grapes grown in the saline region of Negev Desert produce more aromatic wine than those that have been conventionally cultivated. Ben-Ami Bravdo of the Hebrew University of Jerusalem experimented with different root stocks. He found that a type called …
A solar still, developed at the Centre for Energy Studies (CES) at the Indian Institute of Technology (IIT) in Delhi to make waste and saline water potable, has sparked a controversy concerning its inventor. According to a report in the British journal, New Scientist, the solar still's improved version was …
