tomyummer, on 2010-09-30 14:15:02, said:
The dams built in China deal with the flow of the Mekong in China. Even without dams the amount of water reaching Laos is far less than the amount leaving Laos / Thailand. Around 40% additional water is added by the tributaries in these two countries. It is not just a mass of water from Tibet flowing all the way through to Ca Mau. It is innumerable tributaries along the length of the Mekong that contribute to the overall flow.
Dams will control the flow, as well as providing electric power. Store up water in the monsoon periods, let it out in the drier times, thus making far more of the water useable for agriculture and other purposes. The main river should not be dammed - just the tributaries. This will provide manageable sources of renewable energy - something that environmentalists keep bleating about. But when it's offered they find something else to complain about.
Not to dam these tributaries could leave the area in the same condition as Pakistan, these past couple of months. Would you all prefer that?





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