Page 176 - Slide 1

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142
Location : on left bank at the bridge on highway at Ban Khok Yai.
1,232
sq.km.
WATER YEAR : 2012
MUN RIVER BASIN
Huai Takhong at Ban Khok Yai, Buri Ram (M.112)
Lat 15 - 11 - 46 N Long 103 - 12 - 22 E
Drainge Area
Amphoe
Satuk
Changwat
Buri Ram
Ban
Khok Yai
Staff gage
+131.180 m. (MSL.)
B.M.-H.D.
On left bank about 5 meters from the gage site.
Elevation
5-time daily readings at 06.00,09.00, 12.00,15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1982 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+140.197 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1983 - 1987, 1998 to date
-
1983 - 1987, 1998 to date
Stable.
No overbank flow.
Records fair. Ban Don Mon weir situated downstream from the gage site.
Stage-discharge relation defined by 6 discharge measurements made in 2012.
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
134.56
134.41
134.56
134.65
133.98
135.99
135.94
135.85
135.78
135.65
135.30
134.97
2
134.55
134.42
134.51
134.56
133.98
136.01
135.95
135.85
135.78
135.63
135.29
134.94
3
134.53
134.43
134.52
134.52
133.97
136.05
135.95
135.86
135.78
135.61
135.27
134.92
4
134.51
134.42
134.52
134.47
133.96
136.05
135.95
135.83
135.78
135.60
135.26
134.89
5
134.53
134.41
134.52
134.48
133.95
136.08
135.98
135.83
135.79
135.58
135.25
134.88
6
134.55
134.42
134.51
134.47
133.95
136.11
136.12
135.83
135.79
135.56
135.23
134.86
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
134.54
134.43
134.52
134.46
133.93
136.27
136.20
135.83
135.79
135.55
135.23
134.85
8
134.54
134.44
134.54
134.46
133.92
136.59
136.18
135.82
135.79
135.54
135.22
134.83
9
134.53
134.47
134.58
134.45
133.92
136.78
136.14
135.82
135.79
135.53
135.22
134.81
10
134.51
134.52
134.63
134.46
133.91
136.72
136.10
135.82
135.79
135.51
135.21
134.76
11
134.51
134.54
134.73
134.44
133.90
136.58
136.04
135.83
135.79
135.50
135.20
134.72
12
134.49
134.56
134.82
134.42
133.92
136.38
136.01
135.83
135.79
135.50
135.19
134.53
13
134.48
134.56
134.85
134.36
133.89
136.24
135.99
135.83
135.79
135.49
135.18
134.69
14
134.48
134.55
134.85
134.34
133.89
136.18
135.97
135.81
135.78
135.48
135.16
134.72
15
134.45
134.55
134.85
134.33
133.89
136.15
135.96
135.80
135.78
135.47
135.14
134.71
16
134.44
134.54
134.85
134.32
133.87
136.09
135.96
135.79
135.78
135.46
135.12
134.70
17
134.44
134.53
134.86
134.28
133.87
136.06
135.95
135.79
135.78
135.45
135.10
134.69
18
134.45
134.52
134.86
134.23
133.86
136.05
135.95
135.80
135.78
135.45
135.10
134.68
19
134.46
134.52
134.86
134.18
133.87
136.02
135.93
135.80
135.77
135.42
135.09
134.66
20
134.45
134.52
134.83
134.09
133.91
136.02
135.93
135.80
135.77
135.40
135.07
134.64
21
134.44
134.50
134.81
134.01
133.92
136.02
135.92
135.80
135.76
135.38
135.05
134.63
22
134.43
134.49
134.80
133.93
133.91
136.00
135.91
135.80
135.76
135.37
135.05
134.62
23
134.43
134.47
134.79
133.91
133.93
135.95
135.90
135.80
135.75
135.35
135.04
134.61
24
134.42
134.45
134.77
133.90
133.93
135.93
135.89
135.80
135.73
135.33
135.03
134.60
25
134.39
134.46
134.75
133.89
133.94
135.92
135.89
135.79
135.72
135.32
135.02
134.59
26
134.37
134.46
134.73
133.89
133.97
135.93
135.88
135.79
135.71
135.32
135.01
134.55
27
134.39
134.45
134.72
133.92
134.48
135.95
135.87
135.78
135.70
135.30
135.00
134.51
28
134.40
134.45
134.72
133.94
135.84
135.96
135.86
135.78
135.69
135.31
134.99
134.49
29
134.40
134.45
134.70
133.96
136.05
135.96
135.86
135.78
135.68
135.31
134.48
30
134.40
134.44
134.71
133.98
136.00
135.94
135.85
135.78
135.67
135.31
134.45
31
134.44
133.99
135.98
135.85
135.66
135.31
134.43
----------
--------------
Mean
134.47
134.48
134.71
134.24
134.20
136.13
135.96
135.81
135.76
135.45
135.14
134.69
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Max
134.56
134.56
134.86
134.65
136.05
136.78
136.20
135.86
135.79
135.65
135.30
134.97
136.78
Min
134.37
134.41
134.51
133.89
133.86
135.92
135.85
135.78
135.66
135.30
134.99
134.43
133.86
136.78
m. (MSL.) ,
131.18
m. (MSL.) ,
River Bed 133.21
m. (MSL.)
140.17
m. (MSL.) ,
140.17
m. (MSL.) ,
Drainage Area 1232 Square Kilometers
at 12.00 Hours , on Sep 9, 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation