연구정보
[환경] Weekly Dry Season Situation Report in the Lower Mekong River Basin
라오스 / 베트남 / 태국 국외연구자료 연구보고서 - OCHA 발간일 : 2022-01-12 등록일 : 2022-01-13 원문링크
The MRC’s observed water level at Jinghong showed a decrease about 0.29 m from 535.54 metres (m) on 4 Jan to 535.25 on 10 Jan 2022 (recorded on 7:00 am), and stayed about 0.89 m lower than its two-year average (2020-2021) value. The outflow at Jinghong station was down from 1,012.93 m3 /s on 4 Jan to 820.21 m³/s on 10 Jan 2022.
Along with the slightly decreased outflow from Jinghong upstream, water level (WL) of monitoring station at Chiang Saen in Thailand also decreased about 0.03 m from 4 to 10 Jan 2022 and stayed about 0.31 m lower than its long-term average (LTA), considered critical. However, water level at Lao PDR’s Luang Prabang increased about 0.08 m compared with last week and stayed close to its historical maximum value. WLs at the monitoring stations from Chiang Khan to Vientiane in Thailand and Lao PDR decreased about 0.25 m and stayed below their LTA value. The current WLs from Nong Khai in Thailand to Paksane in Lao PDR are lower than their historical minimum level, which considered very critical. WL from Thailand’s Nakhon Phanom to Savannakhet in Lao PDR decreased about 0.25 m and continued staying below their LTA level. WL at Savannakhet in Lao PDR dropped and stayed close to its historical minimum level, which considered very critical. Water levels from the stretches of the river from Kratie,
Kompong Cham in Cambodia, moreover, were decreasing due to less contributed rainfall from the upstream part (at Pakse and 3S area in Viet Nam).
The water volume of the Tonle Sap Lake up to 10 Jan 2022 was lower than its LTA but higher than the levels in 2019, 2020 and 2021 during the same period from 4 to 10 January 2022, and still considered critical.
Over the next seven days, the water levels across most monitoring stations are expected to go down and remain lower than their long-term average value in most stations.
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