124
i
l f b k
WATER YEAR : 2013
CHI RIVER BASIN
Lam Nam Yang at Wang Yang Barrage , Roi Et (E.94)
Lat 16 - 11 - 59 N Long 103 - 28 - 26 E
Locat on : on e t an at Wang Yang Barrage.
31,226 sq.km.
Staff gage
+128.800 m. (MSL.)
B.M.- H.D.
On left bank near the relate.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Amphoe
Changhan
Changwat
Roi Et
Ban
-
Gage Reading Frequency
Zero Gage at Bottom
+142.200 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 3 readings
2013 to date
2013 to date
-
2013 to date
Stable.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records good. Stage-discharge relation defined by 14 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
129.25
129.21
129.21
129.21
130.81
131.25
136.97
138.14
130.63
131.58
130.35
130.34
2
129.24
129.20
129.21
129.20
131.35
131.16
137.07
138.00
130.43
131.47
130.47
130.33
3
129.23
129.19
129.22
129.19
131.86
130.90
137.13
137.93
130.50
131.43
130.39
130.40
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
129.23
129.18
129.22
129.18
131.37
130.79
137.17
137.86
130.52
131.39
130.38
130.63
5
129.22
129.18
129.22
129.18
131.36
130.87
137.25
137.76
130.50
131.33
130.42
130.42
6
129.21
129.18
129.23
129.18
131.72
130.70
137.28
137.61
130.50
131.34
130.50
130.39
7
129.21
129.18
129.23
129.17
131.95
130.99
137.25
137.38
130.51
131.33
130.50
130.39
8
129.20
129.18
129.23
129.18
132.00
131.85
137.27
137.10
130.51
131.11
130.45
130.26
9
129.20
129.18
129.23
129.18
132.03
131.88
137.24
136.78
130.52
131.00
130.39
130.15
10
129.20
129.18
129.23
129.19
132.32
131.83
137.20
136.48
130.50
130.96
130.34
130.12
11
129.20
129.18
129.24
129.19
132.69
131.93
137.11
136.23
130.47
130.55
130.24
130.09
12
129 20
129 18
129 24
129 20
132 83
131 79
137 02
135 95
130 48
130 20
130 22
130 17
.
.
.
.
.
.
.
.
.
.
.
.
13
129.20
129.19
129.23
129.20
133.13
131.81
137.02
135.75
130.45
130.18
130.23
130.22
14
129.20
129.19
129.27
129.20
133.10
132.27
137.18
135.42
130.31
130.24
130.17
130.22
15
129.20
129.18
129.44
129.21
133.10
132.83
137.33
134.87
130.08
130.30
130.13
130.21
16
129.20
129.19
129.82
129.21
133.08
133.42
137.45
134.30
130.04
130.28
130.29
130.22
17
129.20
129.19
129.85
129.21
133.01
133.94
137.60
133.66
130.22
130.23
130.54
130.21
18
129.21
129.19
129.38
129.21
132.84
134.21
137.82
133.07
130.43
130.21
130.62
130.17
19
129.21
129.19
129.35
129.21
132.61
134.25
138.03
132.79
130.53
130.20
130.54
130.19
20
129.21
129.19
129.35
129.23
132.32
134.14
138.22
132.49
130.81
130.20
130.36
130.23
21
129.21
129.19
129.35
129.29
132.30
133.98
138.37
132.35
130.90
130.22
130.28
130.23
22
129.21
129.19
129.33
129.32
132.30
134.46
138.51
132.14
131.15
130.24
130.30
130.23
23
129.21
129.20
129.31
129.29
132.28
135.08
138.58
131.78
131.34
130.22
130.37
130.23
24
129.21
129.20
129.30
129.26
132.17
135.25
138.65
131.48
131.31
130.19
130.35
130.26
25
129.21
129.20
129.28
129.27
131.95
135.33
138.69
131.35
131.31
130.22
130.27
130.21
26
129.21
129.20
129.27
129.32
131.83
135.47
138.70
131.29
131.33
130.28
130.34
130.18
27
129.21
129.20
129.27
129.44
131.86
135.75
138.67
131.20
131.34
130.35
130.36
130.21
28
129.21
129.21
129.25
129.64
131.71
136.14
138.62
131.17
131.36
130.34
130.38
130.18
29
129.21
129.21
129.23
129.86
131.51
136.51
138.51
131.04
131.35
130.30
130.13
30
129.21
129.21
129.22
130.20
131.40
136.77
138.39
131.02
131.41
130.28
130.10
31
129.21
130.87
131.30
138.29
131.57
130.24
130.10
----------
--------------
Mean
129.21
129.19
129.31
129.34
132.13
133.25
137.76
134.48
130.75
130.59
130.36
130.24
Max
129.25
129.21
129.85
130.87
133.13
136.77
138.70
138.14
131.57
131.58
130.62
130.63
138.70
Min
129.20
129.18
129.21
129.17
130.81
130.70
136.97
131.02
130.04
130.18
130.13
130.09
129.17
138.70
m. (MSL.) ,
128.80
m. (MSL.) ,
River Bed 128.93
m. (MSL.)
141.99
m. (MSL.) ,
141.98
m. (MSL.) ,
Drainage Area 31226 Square Kilometers
at 01.00 Hours, on Oct 26, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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