Polluted water a threat to sea-life in the Gulf of Thailand
At a marine scientists' seminar at Chulalongkorn University , Asst Prof Pramot Sojisuporn from CU's Physical Oceanography Department, said some 10 billion cubic metres of polluted water would pour into the Gulf over a short period.
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#1 Nov 17, 2011
Asst Prof Pramot Sojisuporn from CU's Physical Oceanography Department, said some 10 billion cubic metres of polluted water would pour into the Gulf of Thailand over a short period. This would cause the salinity to be dramatically lowered from the Gulf's normal level of 32 parts-per-thousand (ppt) to just 2ppt.
The seawater at a 5km radius from the coast and 15km-deep would be like freshwater, affecting the mangrove bio-system and creatures exposed to such conditions for one to two months could be killed, he said.
'Normally, if freshwater pours into the sea and remains for only a week, it won't extensively affect the area and creatures. But this flood water would affect coastal incubation grounds for shells, as well as the chub,(and) mackerel in Phetchaburi and Samut Sakhon,' he said.
This could affect the Gulf of Thailand even more severely than the tsunami and the great flood in 1983.
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