Is Narmada water being made to flow in Sabarmati not supplied to city of Ahmedabad? This has furthered the idea of river...
I have been selling glass for commercial buildings talking about light, thermal/solar heat gain etc.etc..but I...
Dear Saxena ji,
Thank you for inquiry.
West facing windows can be a big source of heat, first measure which you...
I wish more individuals would study discussions like this. Maybe we could awaken everyone up to the power issue in this nation.
Thanks Ankur, for an excellent in-depth article on the status of CSP in India.
there are lessons to be learnt from countries such as Spain, where a frenzy of solar development has run into massive problems. This article published recently at 'The Tyee offers some very sobering conclusions to those who wish to explore further.
Sunita Ji, very well written and thought provoking. I have seen the case of rivers in Himachal Pradesh. For example, Beas river downstream of Pandoh Dam (Diversion dam for 990 MW Dehar powerhouse of BBMB) is almost dry during summer. This is despite the fact that Himachal is the only state to have mandatory 15% e-flow and BBMB faithfully complies. Similarly I have seen mighty Satluj dry during summer downstream of Nathpa Dam (diversion dam for 1500 MW Jhakri Powerhouse of SJVNL). It is also interesting to note that the 15% figure is arbitrary and now modified to 20%, then the DPR of Luhri Project has probably 25% percent. In my opinion we cannot have any fixed value for all rivers. It should vary from river to river depending on many complex parameters, including hydrology, ecological system of the river, social considerations, etc.
But of what use is all this? There is inadequate institutional mechanism in place to monitor compliance. Hardly any reliable measuring system in place. But above all, do we (engineers, hydro developers & Govt) have any will to implement it in true spirit. We may carry out umpteen studies (like World Bank e-flows study currently being undertaken by foreign consultants who do not know much about our river & other systems), write papers, organise seminars, etc. etc. but of what use. This is not a fight between professionals of two conflicting streams but a gigantic task to sincerely determine the consequences of unabated exploitation of rivers and take appropriate corrective steps before it is too late. We owe this to our next generation.
I agree with you Prof George. All our training programmes are ill designed, particularly Govt sector. In the name of capacity building we are just providing stereotype readymade training NOT capacity building. Do remember me? I am from Haryana Irrigation Department & e-mail is firstname.lastname@example.org.
I think the solution lies in storage dams where we can maintain flow in rivers in lean seasons and can generate hydro power also.
Dear Sunita, I always appreciate your comments on important issues, but this one confuses me. Your description of the problem is not very clear. As an engineer I thought I knew how hydro-electricity generation worked; namely, the head and volume of water is utilised but then returned to the watercourse - in which case there is no diminution of the flow in the river. Have I missed something? Is the water diverted to another catchment? Or is the problem the related to the plan and timing for releasing dammed water? Please explain. Best regards.
River Tampering is crime in law and sin in spirit. It is easy for engineers to sit in their mighty towers and speculate with figures provided by some pseudoscientific body and deliberate on it to arrive at some confidential range of solutions on paper. Here they are acting only as computers and with the dictum of ‘trash in trash out’ the results are erroneously inconsistent with reality. It is here that opportunism holds sway. Ambitions of some are converted into opportunity to distort and opportunity to award. In calculating flows hydro geological data is necessary but what if it is skewed in first place.Hydrogeological calculations is not rocket science. It is the simplest branch of civil and earth engineering. The question is Law and propriety. Which law permits this unless it is generating promised electricity on paper and profits for contractors. Ecological costs of any hydel projects are humongous and impacts are impossible to calculate .Surely they can be manipulated. What happened to Madhav Gadgil Report on Sahayadris?With frequent floods some people wanted to contain Brahmaputra by civil constructions on the banks .Later after much efforts and costs it was shelved.A river is a part of ocean system .You can’t tame it at any costs .But some people will try it to fill their coffers. God save them, not Ganga!!
Rajsun Technies Pvt Ltd - 100MW is Reliance Power Project in Rajasthan. Any update on their plant thats also delayed..
Ms, Sunita Narain, many thanks for raising issue of utlisable discharge vis-a-vis existing estimated hydro power potential.
With paradigm shifts, its time re-estimation is attempted no sooner than later, lot of water has already flown down these rivers post 1972 United Nations Conference on the Human Environment and “we” have become a bit wiser as well in asking our selves as to how do we handle our Natural Resources for sustainable development. We need power (inclusive of hydro power) and we need rivers as well, I am sure none would disagree on it?
The concept of e-flow is to be integrated in our hydro power layouts/designs, which I am sorry to say does not exist at present inspite of (if I remember correctly) CBIP guidelines/publication already advocating a 30 % of d/s e-flow in streams (without calling it as such).
Kudos to Avikal Somvanshi for the pictorial presentation of real state of Ganga-after washing our sins! I am a geologist by profession and training, but seeing the plight of the River I think I am becoming a spiritualist. I am afraid that the Ganga which descended from the heavens to cleanse our souls, may change her mind in times to come and go back to her parental home-unless, we mend our ways. As long as we didn't know engineering, hydrology and geology, we used to regard the Ganga as a deity, as a River. Alas, now for us and all the learned people, it is nothing but a large drain, which is meant to carry our shit.
No government on the earth has the money to clean the mess we have created. It is high time we learn to clean the entire stretch. Ganga needs a high flow to carry away the load. Less water and change in rainfall pattern and concrete forests on the river banks has adversely affected the river. If the trend continues, Ganga will find its own 'mukti' and vanish for ever. That would be the end of all the ills I suppose!