146
Location : on left bank at the bridge on road.
424
sq.km.
WATER YEAR : 2011
MUN RIVER BASIN
Huai Ta Thieo at Ban Na Hai, Ubon Ratchathani (M.127)
Lat 15 - 38 - 37 N Long 104 - 55 - 57 E
Amphoe
Trakan Phutphon
Changwat
Ubon Ratchathani
Ban
Na Hai
Drainge Area
Water - stage recorder
+115.340 m. (MSL.)
B.M.-H.D.
On left bank downstream side at the abutment of the bridge.
Elevation
Recording
Arithmetic means of 24 readings
1984 to date
+126.877 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1987 to date
-
1987 to date
Rather unstable.
No overbank flow.
Records good. The weir situsted about 300 meters downstream from the gage site.
Stage-discharge relation defined by 27 discharge measurements made in 2011.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
116.54
116.58
116.50
116.74
117.23
117.78
117.17
116.69
116.65
116.61
116.56
116.46
2
116.52
116.57
116.50
116.76
117.23
118.70
117.50
116.68
116.64
116.61
116.56
116.46
3
116.51
116.57
116.50
116.79
117.28
119.26
118.01
116.66
116.64
116.61
116.56
116.46
4
116.51
116.57
116.50
116.72
117.16
118.34
117.59
116.64
116.64
116.61
116.56
116.46
5
116.50
116.58
116.50
116.70
117.16
120.21
117.40
116.63
116.64
116.61
116.56
116.46
6
116.50
116.58
116.53
116.65
117.15
121.86
117.21
116.63
116.64
116.61
116.55
116.45
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
116.49
116.59
116.59
116.64
118.53
121.49
117.14
116.64
116.64
116.60
116.55
116.45
8
116.49
116.60
116.58
116.63
122.37
119.71
117.07
116.64
116.64
116.60
116.54
116.44
9
116.49
116.59
116.57
116.62
123.12
119.36
117.13
116.64
116.64
116.59
116.54
116.44
10
116.48
116.58
116.56
116.62
123.53
120.06
116.97
116.64
116.64
116.58
116.54
116.44
11
116.47
116.58
116.54
116.62
122.34
119.09
116.94
116.69
116.64
116.57
116.53
116.43
12
116.47
116.59
116.55
116.65
119.82
119.26
116.93
116.68
116.63
116.57
116.53
116.43
13
116.46
116.59
116.63
116.86
117.76
119.29
117.44
116.68
116.63
116.57
116.53
116.42
14
116.46
116.60
116.62
117.26
117.62
118.24
117.90
116.68
116.63
116.57
116.52
116.42
15
116.45
116.58
116.60
117.57
117.57
118.01
118.19
116.68
116.63
116.57
116.52
116.41
16
116.44
116.58
116.60
117.61
118.33
118.41
117.99
116.67
116.63
116.57
116.52
116.41
17
116.43
116.58
116.61
117.57
118.63
118.04
117.70
116.67
116.63
116.57
116.52
116.40
18
116.54
116.58
116.98
117.55
118.77
118.12
117.51
116.67
116.63
116.57
116.51
116.40
19
116.57
116.58
116.89
117.26
119.40
118.04
117.35
116.67
116.63
116.57
116.50
116.40
20
116.57
116.56
116.82
117.16
121.61
122.11
117.23
116.67
116.63
116.57
116.49
116.39
21
116.57
116.52
116.77
117.16
120.58
122.10
117.13
116.66
116.63
116.57
116.49
116.39
22
116.57
116.52
116.75
117.57
119.05
119.48
117.06
116.66
116.62
116.58
116.49
116.41
23
116.57
116.52
116.73
117.49
118.10
118.37
117.02
116.66
116.62
116.58
116.48
116.41
24
116.56
116.52
116.69
117.38
117.63
117.74
117.04
116.66
116.62
116.58
116.48
116.40
25
116.56
116.52
116.66
117.67
117.39
117.47
117.02
116.66
116.62
116.59
116.48
116.40
26
116.54
116.53
116.64
117.61
117.24
117.34
116.98
116.65
116.62
116.59
116.47
116.39
27
116.53
116.53
116.64
117.34
117.26
117.21
116.94
116.65
116.62
116.58
116.47
116.39
28
116.53
116.52
116.62
117.73
117.17
117.24
116.91
116.65
116.62
116.58
116.47
116.38
29
116.57
116.51
116.62
117.67
117.42
117.21
116.89
116.65
116.62
116.58
116.47
116.38
30
116.59
116.51
116.62
117.57
117.41
117.16
116.87
116.65
116.62
116.57
116.38
31
116.50
117.35
117.43
116.77
116.62
116.57
116.38
----------
--------------
Mean
116.52
116.56
116.63
117.15
118.69
118.89
117.26
116.66
116.63
116.58
116.52
116.42
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
116.59
116.60
116.98
117.73
123.53
122.11
118.19
116.69
116.65
116.61
116.56
116.46
123.53
Min
116.43
116.50
116.50
116.62
117.15
117.16
116.77
116.63
116.62
116.57
116.47
116.38
116.38
123.47
m. (MSL.) ,
115.34
m. (MSL.) ,
River Bed 114.56
m. (MSL)
126.62
m. (MSL.) ,
126.60
m. (MSL.) ,
Drainage Area 424 Square Kilometers
at 12.00 Hours , on Aug 10, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation