ศาสตร์เกษตรดินปุ๋ย : ขอบคุณแหล่งข้อมูล : หนังสือพิมพ์ The Nation
http://www.nationmultimedia.com/news/national/30296808
Bangkok residents cope with the city’s wet weather, which is forecast to continue over coming days.
October 04, 2016 01:00
By PRATCH RUJIVANAROM,
TANATPONG KONGSAI
THE NATION
AT LEAST ONE STORM is forecast to reach Thailand by next week, weather experts said yesterday, but the Royal Irrigation Department assured the public the flood situation in the country had improved and was under control.
Sanchai Ketworrachai, RID director-general, said flooding in the Central Plain had eased, as the water level in the Chao Phraya River in Ayutthaya continued to fall by 1 centimetre per hour and the situation should soon be back to normal soon.
Buntham Tinglamlert of the Meteorological Department said that although the Central region would get more heavy rain this week, it would come from a monsoon trough and not the storm.
“We predict there will be a tropical storm forming in the Pacific Ocean, which will travel west towards the Gulf of Tonkin in northern Vietnam,”rdquo; he said.
“If the storm follows this course, it will not have a direct impact on Thailand, but it will intensify the southwestern monsoon and increase rainfall in Thailand.”
Marine Meteorological Centre director Wattana Kanbua also said that although it was likely the storm would affect Thailand, it would only cause light rain throughout the Northern, Northeastern and Central regions.
Sanchai said that the storm would not worsen the flood |situation, as the RID already had capacity to receive rain in |reservoirs and water-retention areas.
“The flood situation in the North has already been resolved, so we have reduced the water discharge from Chao Phraya Dam and relieved the flood situation in the downstream area. This will open room for more water from the rain this month,” he said.
Level of Chao Phraya falling
“As we have reduced the water discharge from Chao Phraya Dam since Sunday, the water level in the river has slowly decreased by 1 centimetre per hour and the flood situation in Ayutthaya, Ang Thong, Sing Buri and Chai Nat will be resolved soon.”
Regarding the situation at the Pasak Jolasid Dam, Sanchai said that yesterday the total storage in the dam was 831 million cubic metres, while the maximum capacity is 960 million cubic metres.
Meanwhile, Bangkok Metropolitan Administration (BMA) deputy spokeswoman Benjasai Keeyapat said the Chao Phraya’s level in the capital was not critical, given the lower discharge from the Chao Phraya Dam and reduced rainfall in the area.
Benjasai conceded that during the middle of this month there would be a sea-level surge, which might flood some areas beyond the flood-prevention wall. However, the BMA has prepared assistance for any vulnerable areas.
She also said the BMA had lowered the water level in the major canals to facilitate water drainage from the flood-prone area on the eastern part of the city to the river.
“The precipitation level in Bangkok has reduced to no more than 100 millimetres, but some areas still flooded after heavy rain. However, we can drain the flood water within two hours in most areas,” she said.
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