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Blue Mekong Is Bad Omen


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Blue Mekong Is Bad Omen

 

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NAKHON PHANOM, Feb 9 (TNA) – The Mekong River by this northeastern province turned beautifully blue but officials warned it was a sign of danger.

 

The level of the river plummeted to its lowest point, at about one meter deep, and vast sand dunes emerged. The blueish water like seawater happened for the second year and amazed local residents and tourists.

 

Full Story: https://tna.mcot.net/english-news/line-today-english-news-633750

 

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-- © Copyright TNA 2021-02-09
 
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41 minutes ago, tifino said:

at the mercy of the CCP 

And also the Lao-Thai built Sayabouly dam, even though its a 'run of the river' dam, I am sure it retains some reservoir of what water is left over from China as well as a lot of nurturing sediment. 

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12 hours ago, 3MagicBeers said:

And also the Lao-Thai built Sayabouly dam, even though its a 'run of the river' dam, I am sure it retains some reservoir of what water is left over from China as well as a lot of nurturing sediment. 

And the several others in Laos, most of which are dependent on Thailand buying the electricity.

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6 minutes ago, tonray said:

At what price compared to Laos generation ?

Transmission lines and land rights of way all the way to Bangkok and social costs included? Do your own research and enlighten us. As it is, imported electricity is about 9% of the total capacity. Insignificant.

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1 hour ago, Muhendis said:

It's popular to blame the Chinese for this sort of problem but the fact is there is less snow in the Himalayas where the Mekong rises. Less snow and therefore less water.

But enough for the Chinese dams to work efficiently, just the poor <deleted> at the end of the line gets stuffed.

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Dam Causes Bluish Clear Mekong

 

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BANGKOK, Feb 10 (TNA) - An academic on water resources engineering said the Mekong River turned clearly blue because the Xayaburi dam in Laos is withholding water.

 

Assist Prof Nat Marjang of the Department of Water Resources Engineering at Kasetsart University said the Mekong River turned blue in the dry season because the Xayaburi dam was withholding water for its electricity generation.

 

The water retention slowed down the current of the river and most sediment was settling in the reservoir of the dam.

 

Source: https://tna.mcot.net/english-news/line-today-english-news-634523

 

 

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13 hours ago, malathione said:

And the several others in Laos, most of which are dependent on Thailand buying the electricity.

The Xayaboury dam is currently the only one built and operational on the mainstream Mekong between Laos-Thailand. However three more are in the works - Pakbeng, Luang Prabang and Paklay. The Luang Prabang mainstream Mekong dam is also being built by the same Thai company as the completed Xayabouly dam. All access roads and worker accommodation has been cleared and completed. Construction to commence at the end of this year. It is also a 'run of the river' dam ie with no or very little reservoir.

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5 hours ago, 3MagicBeers said:

The Xayaboury dam is currently the only one built and operational on the mainstream Mekong between Laos-Thailand. However three more are in the works - Pakbeng, Luang Prabang and Paklay. The Luang Prabang mainstream Mekong dam is also being built by the same Thai company as the completed Xayabouly dam. All access roads and worker accommodation has been cleared and completed. Construction to commence at the end of this year. It is also a 'run of the river' dam ie with no or very little reservoir.

Yes. But when you dam the tributaries that feed into the river, you alter the flow of water into the Mekong. Laotian tributaries are one of the larger components of water input into the Mekong mainstream.

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On 2/10/2021 at 2:32 PM, webfact said:

The water retention slowed down the current of the river and most sediment was settling in the reservoir of the dam.

Which makes me wonder?  If the sediment settles behind the dam, then how much additional pressure does that create on the dam's surface.  I"m sure some engineers has figured this out - maybe.

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