Basic HTML Version
10
Location : on right bank at the bridge of Udon Thani - Nong Bua Lamphu Highway at guidepost 26.5
421
sq.km.
Drainge Area
WATER YEAR : 2011
KHONG RIVER BASIN
Huai Luang at Ban Nong Wua So , Udon Thani (Kh.53)
Lat 17 - 15 - 51 N Long 102 - 35 - 47 E
Amphoe
Nong Wua So
Changwat
Udon Thani
Ban
Nong Wua So
Water - stage recorder.
+201.314 m. (MSL.)
B.M.- H.D.
On right bank downstream side at the footpath of the bridge.
Elevation
Recording
Arithmetic means of 24 readings
1970 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+206.018 m. (MSL.)
Bench Mark
Type of Gage
1975 - 1986 , 1997 to date
-
1975 - 1986 , 1997 to date
Stable
Overbank flow starts at elevation +206.010 m.(MSL.), records are channel flow only.
Records good. Flow regulated by Huai Luang barrage.
Stage-discharge relation defined by 18 discharge measurements made in 2011.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
203.60
203.55
204.08
204.08
205.77
205.38
204.81
204.30
204.11
204.05
203.87
203.68
2
203.60
203.58
204.08
204.09
205.72
205.70
204.92
204.28
204.10
204.05
203.87
203.68
3
203.60
203.58
204.07
204.10
205.61
205.74
205.71
204.26
204.10
204.05
203.87
203.68
4
203.60
203.58
204.07
204.11
205.53
205.57
205.39
204.23
204.10
204.05
203.87
203.67
5
203.60
203.58
204.07
204.09
205.42
205.40
205.06
204.21
204.10
204.06
203.87
203.67
6
203.60
203.58
204.07
204.09
205.19
205.80
204.88
204.20
204.10
204.06
203.86
203.66
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
203.60
203.58
204.09
204.07
205.01
205.98
204.78
204.20
204.10
204.05
203.86
203.64
8
203.60
203.58
204.17
204.06
204.80
205.67
204.68
204.19
204.10
204.05
203.85
203.61
9
203.60
203.58
204.14
204.06
204.63
205.62
204.58
204.20
204.09
204.03
203.83
203.61
10
203.60
203.58
204.12
204.08
204.50
205.68
204.57
204.32
204.09
204.03
203.83
203.61
11
203.59
203.57
204.10
204.33
204.37
205.56
204.52
204.39
204.09
204.02
203.83
203.62
12
203.59
203.57
204.09
204.36
204.30
205.46
204.47
204.36
204.09
204.00
203.83
203.62
13
203.57
203.56
204.09
204.33
204.24
205.75
204.43
204.32
204.08
203.99
203.83
203.63
14
203.56
203.57
204.10
204.40
204.19
206.00
204.40
204.28
204.07
203.98
203.82
203.64
15
203.56
203.58
204.09
204.45
204.23
205.97
204.51
204.24
204.07
203.98
203.82
203.64
16
203.55
203.58
204.08
204.47
204.44
205.89
204.64
204.21
204.07
203.98
203.80
203.64
17
203.55
203.58
204.08
204.45
204.85
205.78
204.69
204.18
204.07
203.97
203.78
203.62
18
203.53
203.61
204.07
204.39
205.16
205.66
204.70
204.18
204.07
203.97
203.76
203.62
19
203.52
203.76
204.07
204.31
205.60
205.47
204.65
204.18
204.07
203.97
203.76
203.62
20
203.51
203.98
204.07
204.26
205.65
205.43
204.60
204.17
204.07
203.95
203.75
203.62
21
203.51
204.09
204.08
204.27
205.39
205.45
204.54
204.16
204.06
203.95
203.75
203.61
22
203.50
204.13
204.07
204.46
205.19
205.46
204.48
204.15
204.06
203.94
203.75
203.60
23
203.50
204.10
204.07
204.51
204.96
205.47
204.41
204.14
204.06
203.93
203.74
203.59
24
203.49
204.10
204.07
204.50
204.70
205.42
204.42
204.13
204.06
203.93
203.73
203.58
25
203.48
204.10
204.07
204.62
205.02
205.39
204.37
204.13
204.06
203.93
203.71
203.57
26
203.48
204.10
204.09
205.08
205.12
205.26
204.34
204.13
204.06
203.92
203.70
203.56
27
203.47
204.09
204.10
205.09
204.97
204.99
204.36
204.13
204.06
203.91
203.68
203.54
28
203.46
204.09
204.09
205.05
205.62
204.89
204.35
204.13
204.05
203.90
203.68
203.54
29
203.48
204.09
204.09
204.92
205.62
204.92
204.34
204.12
204.05
203.89
203.68
203.53
30
203.50
204.08
204.09
204.81
205.59
204.92
204.33
204.11
204.05
203.89
203.52
31
204.08
205.28
205.48
204.32
204.05
203.88
203.51
----------
--------------
Mean
203.55
203.78
204.09
204.42
205.06
205.52
204.62
204.21
204.08
203.98
203.79
203.61
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Max
203.60
204.13
204.17
205.28
205.77
206.00
205.71
204.39
204.11
204.06
203.87
203.68
206.00
Min
203.46
203.55
204.07
204.06
204.19
204.89
204.32
204.11
204.05
203.88
203.68
203.51
203.46
206.09
m. (MSL.) ,
201.31
m. (MSL.) ,
River Bed 203.35
m. (MSL)
206.00
m. (MSL.) ,
206.45
m. (MSL.) ,
Drainage Area 421 Square Kilometers
at 03.00 Hours , on Sep 7 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation