Daily observed water level and rated discharge at Stung Treng from 1 December 2017 to 31 May 2018. The flows are compared
the 1:5, 1:10 and 1:20 ARI of the observed water level and rated discharge (1961-2010).
Water level on 21st May 2018: ABOVE UPPER 1:10 ARI
Values of 21st May 2018:
MSL Water level
Add data values of period:
Water level 2017 / 2018
Water level2016 / 2017
Minimum / Maximum water level (1961-2010)
Average water level (1961-2010)
Water level 1:5 ARI High
Water level 1:10 ARI High
Water level 1:20 ARI High
Zone 1: If the daily observed water level lies above the 1:5 ARI, it means “normal hydrological conditions”. There is no need for action.
Zone 2: If the daily observed water level lies between 1:5 and 1:10 ARI, it means that hydrological conditions remain “stable”. There is a need for caution.
Zone 3: If the daily observed water level lies between 1:10 and 1:20 ARI, it means that hydrological conditions are “unstable”. Investigation should be undertaken to identify
the possible cause(s) and possible mitigation measures. There is a need to be on alert.
Zone 4: If the daily observed water level lies below the 1:20 ARI, it means that hydrological conditions are “severe” and the implementation of mitigating measures should be
Click on station name to see flow framework for monitoring purposes and associated zones for each station