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The myth of China's control on waters of Brahmaputra and Indus.

Discussion in 'World Economy' started by A_poster, Dec 26, 2016.

  1. A_poster

    A_poster Lieutenant FULL MEMBER

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    Whenever there are talks of India withdrawing from Indus Water Treaty and diverting upper three rivers, or even talk of India utilizing its share fully; usual suspects in all three countries crawl out of woodwork stating that China would do same with India and dry up Indian rivers. This myth is pure fearmongering with zero facts to support it.Reasons being:


    (1) Very small proportion of water in transboundary rivers of India come from Tibet.

    Tibet is climatologically a barren cold plateau. It receives between 4 to 12 inches of precipitation depending on time and place. Water efflux in these rivers ,from Tibet, is very low and you could cross Brahmaputra in Tibet without getting your knees wet in most of the places, and in winter, Brahmaputra ,when it enters India, is practically dry. This is not just a theoretical point.It is supported by hydrological data.

    Page 29: https://www.iucn.org/sites/dev/files/import/downloads/iucn_research_brahmaputra_basin.pdf

    IWT.jpg

    Brahmaputra enters India just after Tsela Dzong. After this point it it goes into 16.8m/km steep fall before entering India, and creating a gorge in the process. Of the 19800 Cumecs average discharge of Brahmaputra, water from China account for less than 500 Cumecs.

    Thus there is not much water for China to divert, and it would hardly affect river flow of Brahmaputra.

    (2) Geography. Tibet is intermontane high altitude plateau between Himalaya and Kulun shan mountain range. This has resulted in interesting geography as in Tibet is cut from India and China ,both, by high mountains. Before Tibetan railway, only way to access Tibet by vehicles was Highway219 which passes through Askai Chin. Apart from that Tibet is formed by flexing of Eurasian plate upward due to compressive force exerted by Indian plate on Eurasian plate. This has resulted in a topography where central Tibet has highest average elevation of the plateau. Any water diversion project, would not only have to cut through mountains or use existing rivers, but would also has to flow against gradient ie pumped.

    tibet-mountains-map.jpg

    image005.JPG


    These two factor make diversion of water of Brahmaputra, inconsequential. I have not even talked about Indus, because just north of Indus lay Gangiste mountain, through which China has to tunnel to transfer whatever measly amount of water it could transfer.

    So next time any pakistani or Chinese try to chestbeat "we /Our massa Cheen could stop Indian water", wave these facts in his/her face. I have posted them before on this forum, and our friendly neighbourhood forum too, but I think collecting all these posts in a single thread would be better.
     
    kurup, sangos, HariPrasad and 10 others like this.
  2. Pundrick

    Pundrick 2nd Lieutant FULL MEMBER

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    Only 5% of the water in Brahmaputra river flows through Tibet, so all this discussion regarding China controlling river water is BS. Plus the reason for flood in Brahma river is not Tibet but the high rainfall in AP & Assam. China will its all might will only control 5% of the water flow.
     
  3. Butter Chicken

    Butter Chicken Lieutenant FULL MEMBER

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    Also,China will "punish" Bangladesh as collateral damage
     
  4. Lion of Rajputana

    Lion of Rajputana Lieutenant FULL MEMBER

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    Which would actually be really good for us; because if China "punishes" BD, then that's one country that permanently is in our camp and we don't have to bother competing with the Chinese for influence there; and we can pretty much focus our efforts on Sri Lanka and Myanmar.
     

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