Basic HTML Version
122
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i h b k h b id
WATER YEAR : 2013
CHI RIVER BASIN
Lam Nam Yang at Ban Tha Ngam , Roi Et (E.92)
Lat 16 - 06 - 34 N Long 104 - 00 - 40 E
Locat on : on r g t an at t e r ge.
3,359
sq.km.
Staff gage
+124.500 m. (MSL.)
B.M.- Highways Dept.
On right bank at the footpath of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Drainge Area
Amphoe
Selaphum
Changwat
Roi Et
Ban
Tha Ngam
Gage Reading Frequency
Zero Gage at Bottom
+136.964 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 3 readings
2007 to date
2007 to date
-
2007 to date
Fairly stable.
Overbank flow starts art elevation +134.240 m.(MSL.), records are channel flow only.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Stage-discharge relation defined by 22 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
125.00
125.00
125.00
128.48
133.75
130.35
132.70
127.67
127.70
127.56
127.18
125.55
2
125.00
125.00
125.00
127.97
133.75
130.37
132.18
127.66
127.70
127.50
127.07
125.55
3
125.00
125.00
125.00
127.48
133.47
130.04
131.89
127.58
127.70
127.53
126.97
125.50
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
125.00
125.00
125.00
127.32
132.97
129.87
131.44
127.53
127.70
127.58
126.80
125.38
5
125.00
125.00
125.00
127.84
132.47
129.74
130.89
127.65
127.70
127.58
126.69
125.33
6
125.00
125.00
125.00
127.68
131.73
129.73
130.53
127.58
127.71
127.57
126.58
125.22
7
125.00
125.00
125.00
127.83
131.48
131.42
130.20
127.54
127.71
127.56
126.55
125.08
8
125.00
125.00
125.00
127.78
131.81
131.02
129.90
127.50
127.71
127.55
126.52
125.00
9
125.00
125.00
125.00
127.80
131.86
130.56
129.63
127.50
127.70
127.52
126.29
124.94
10
125.00
125.00
125.00
127.58
132.28
129.64
129.22
127.50
127.70
127.51
126.21
124.93
11
125.00
125.00
125.00
128.36
132.15
129.41
128.71
127.64
127.70
127.47
126.15
124.93
12
125 00
125 00
126 05
129 61
132 02
129 21
128 40
127 70
127 70
127 46
126 14
124 93
.
.
.
.
.
.
.
.
.
.
.
.
13
125.00
125.00
128.01
130.21
131.74
129.68
128.05
127.70
127.70
127.46
126.10
124.93
14
125.00
125.00
129.38
130.47
131.35
131.48
127.79
127.70
127.69
127.46
126.10
124.93
15
125.00
125.00
129.57
130.01
130.99
132.79
127.82
127.71
127.68
127.42
126.04
124.93
16
125.00
125.00
129.21
129.27
130.56
133.56
127.83
127.73
127.66
127.30
125.97
124.93
17
125.00
125.00
128.59
128.29
129.98
133.64
128.31
127.74
127.63
127.28
125.88
124.93
18
125.00
125.00
127.84
127.59
129.42
133.51
129.28
127.75
127.61
127.30
125.83
124.93
19
125.00
125.00
127.60
128.12
128.75
133.68
128.84
127.75
127.60
127.30
125.80
124.93
20
125.00
125.00
127.71
128.37
128.18
134.04
128.72
127.75
127.60
127.31
125.78
124.93
21
125.00
125.00
127.77
129.44
127.78
134.21
128.70
127.74
127.59
127.32
125.76
124.93
22
125.00
125.00
127.80
130.86
127.66
134.30
128.45
127.73
127.58
127.32
125.75
124.93
23
125.00
125.00
128.03
131.96
128.57
134.64
128.25
127.75
127.57
127.34
125.74
124.93
24
125.00
125.00
128.99
131.84
129.22
134.90
128.10
127.73
127.56
127.30
125.70
124.93
25
125.00
125.00
129.46
132.68
129.28
135.00
127.95
127.73
127.55
127.30
125.67
124.93
26
125.00
125.00
129.87
133.08
129.17
134.74
127.79
127.73
127.55
127.30
125.63
124.93
27
125.00
125.00
129.81
133.15
129.07
134.60
127.75
127.73
127.56
127.35
125.59
124.93
28
125.00
125.00
129.48
133.11
128.94
134.43
127.75
127.70
127.57
127.46
125.56
124.93
29
125.00
125.00
129.15
133.14
128.84
134.08
127.74
127.70
127.57
127.44
124.93
30
125.00
125.00
128.81
133.27
129.29
133.85
127.71
127.71
127.57
127.34
124.93
31
125.00
133.40
129.87
127.68
127.58
127.28
124.93
----------
--------------
Mean
125.00
125.00
127.27
129.81
130.59
132.28
129.04
127.67
127.64
127.42
126.14
125.03
Max
125.00
125.00
129.87
133.40
133.75
135.00
132.70
127.75
127.71
127.58
127.18
125.55
135.00
Min
125.00
125.00
125.00
127.32
127.66
129.21
127.68
127.50
127.55
127.28
125.56
124.93
124.93
135.04
m. (MSL.) ,
124.50
m. (MSL.) ,
River Bed 124.39
m. (MSL.)
135.39
m. (MSL.) ,
134.23
m. (MSL.) ,
Drainage Area 3359 Square Kilometers
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at 11.00 Hours, on Sep 25, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation