Rivers

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Flood mapping and analysis : A case study of July 2004 flood in Baghmati river basin

This study pertains to analysis of Airborne Synthetic Aperture Radar (ASAR) images in mapping the flood inundation and causative factors of flood in the lower reaches of Baghmati river basin for the period July

Impact of iron ore mining in Kudremukh on Bhadra river ecosystem

Secondary data as well as the monsoon study presented in this report confirm that not only has the sediment load in the Bhadra River dramatically increased as a result of the mining, but also that a very small fraction of the watershed area, comprising the KIOCL mining site, is by …

Virtual realities

November 22, 2005, saw the launch of a vocal public campaign against a move by the Karnataka state government to hand over water supply in the suburbs of Bangalore to private operators. Over 40 non-governmental organisations (ngos) and trade unions, working on civic amenities for slum dwellers, called upon the …

Dahisar in danger

The deluge that caught Mumbai by surprise on July 26, 2005 has sent warning signals to areas situated along Dahisar river. The Municipal Corporation of Greater Mumbai's (MCGM's) staff in R-north ward of the Dahisar area, its councillors and residents have woken up to the danger, but some proposed solutions …

Crude shock

Oil storage tanks ruptured by hurricane Katrina are estimated to have dumped around 14 millions litres (ml) of crude oil into the Lower Mississippi river and surrounding wetlands in Louisiana, usa, threatening the region's environment. Some of this oil would also find its way into the Gulf of Mexico. Louisiana …

Phytoplankton diversity of two rivers of Kerala with special reference to aquatic nutrients

The present study has been carried out to estimate the phytoplankton diversity of Neyyar and Karamana rivers with special reference to aquatic nutrients. This type of study is relevant since these rivers form the source of water for public distribution system.

Why do Gangetic rivers aggrade or degrade?

The rivers draining the Gangetic plains exhibit remarkable geomorphic diversity, and this has consequently characterized the rivers to be dominantly aggradational in the Eastern Gangetic Plains (EGP) and degradational in the Western Gangetic Plains. We suggest that steam power and sediment supply are the two main fluvial parameters which govern …

Any solution?

what is more important, producing clean energy or protecting an area's ecosystem? The choice has to be made in Karnataka in a case instantiating the complexities of sustainable development. A local court in Chikmagalur district recently granted a stay on a 93 megawatt (mw) windfarm project at Bababudangiri Hills on …

Complete muff up

The moef (Union ministry of environment and forests) is a gross under-performer, and way off its targets for the tenth Five Year Plan. This is what the Planning Commission has concluded, in its mid-term appraisal of the ministry’s work “Disappointing” and “inadequate” are the themes that run through the commission’s …

Love thy neighbour

chineseprime minister Wen Jiabao's four-day visit to India from April 9-12, 2005 opened hitherto unexplored vistas of friendship between the two nations, albeit driven by economic and strategic considerations. The world's most populous nations established the India-China Strategic and Cooperative Partnership for Peace and Prosperity, a giant step for improving …

The Sun vs the Moon

68 people dead and 40 missing, and it wasn't a natural disaster. Nor an accident. A dam released water in Madhya Pradesh, just like it used to every day. Only this time, thousands of people had gathered for a dip in the river Narmada 25 km downstream of the dam. …

Delhi s six big drains

• Ensure all waste, legal and illegal, is trapped and treated to keep the drain clean • Augment and optimise treatment facilities, where needed, to treat this waste. Appropriate technologies of scale (centralised or local) should be adopted • Ensure treated effluent is reused and not mixed with untreated effluent …

River Krishna: all used up

function graph() { var popurl="image/20050415/36-graphbig.jpg" winpops=window.open(popurl,"","width=380,height=350,scrollbars=yes") } In February this year, a high level meeting of the Maharashtra government

Emergency

A cruel summer has been left behind. Pipes are gurgling to life and the surge of water tankers on Chennai's streets is on the ebb. People and leaders are now free to discuss issues non-aqueous. There are even days when Chennai's papers skip the almost mandatory columns devoted to water. …

Coastal erosion and habitat loss along the Godavari delta front – a fallout of dam construction

Analysis of multi-date satellite sensor data and maps indicated loss of 1836 ha of land during 1976–2001 along the Godavari deltaic coast resulting in displacement of coastal communities and mangrove destruction. Decrease in sediment loads from an annual average of 145.26 million tons in 1971–79 to 56.76 million tons during …

The rivers should flow

The Source of Life for Sale

Who ll tame the river tamer?

River Taming Mantras

Ecologically subsidised city

function illus() { var popurl="image/20040831/53-illus.jpg" winpops=window.open(popurl,"","width=485,height=400,scrollbars=yes") } Let us take an ecologist's look at Kolkata. It has the river Hooghly to its west from where it draws water. Another river, the Kulti Gong, 28 kilometres to Kolkata's east, drains the city's wastewater into the Bay of Bengal. No other mega-urban …

Bytes

how planets form: Elongated dust clouds, rather than fluffy blobs of dust, are the seeds of planet formation. This is the finding of experiments conducted by J

A fish called <i>hilsa</i>

A sumptuous Bengali feast is incomplete without the hilsa . But very soon Bengalis in Bangladesh might well have to do without it. For, the population of hilsa

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