Basic HTML Version
60
Location : on left bank about 80 meters downstream from the bridge on highway.
10,878 sq.km.
WATER YEAR : 2011
CHI RIVER BASIN
Chi River at Ban Chot , Khon Kaen (E.9)
Lat 16 - 05 - 44 N Long 102 - 34 - 25 E
Amphoe
Manchakhiri
Changwat
Khon Kaen
Ban
Chot
Drainge Area
Staff gage
+151.113 m. (MSL.)
B.M.- H.D.
On left bank about 25 meters from the top staff gage.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1958 to date
+167.014 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
1967 - 1973, 1986 - 1987, 1992 to date
-
1967 - 1980, 1983 - 1987, 1992 to date
Fairly stable.
Overbank flow starts at elevation +161.690 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 24 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
152.52
152.52
153.16
152.88
156.25
159.74
162.40
161.59
153.99
152.90
152.50
152.18
2
152.51
152.60
153.58
153.17
156.17
159.90
162.39
161.56
154.09
152.84
152.49
152.18
3
152.49
152.57
154.48
153.67
155.89
159.97
162.40
161.52
154.17
152.76
152.48
152.21
4
152.50
152.55
155.38
153.88
155.68
160.00
162.36
161.48
154.19
152.73
152.48
152.18
5
152.51
152.57
155.63
153.90
155.97
160.01
162.33
161.43
154.14
152.72
152.48
152.15
6
152.52
152.62
156.23
154.11
156.36
160.02
162.29
161.36
153.99
152.72
152.47
152.21
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
152.55
152.60
156.26
154.28
156.69
160.03
162.27
161.30
153.77
152.76
152.47
152.14
8
152.58
152.65
156.43
153.97
156.87
160.06
162.24
161.12
153.64
152.74
152.49
152.11
9
152.56
152.74
156.86
153.71
156.94
160.13
162.22
160.68
153.61
152.61
152.47
152.14
10
152.58
152.76
156.78
153.54
156.99
160.19
162.20
160.13
153.59
152.52
152.45
152.21
11
152.64
152.79
156.30
153.48
157.09
160.29
162.18
159.86
153.53
152.42
152.36
152.23
12
152.64
152.79
155.63
153.32
157.22
160.43
162.17
159.47
153.41
152.28
152.33
152.26
13
152.64
152.78
154.96
153.00
157.29
160.56
162.14
158.69
153.25
152.33
152.31
152.29
14
152.64
152.79
154.64
152.98
157.31
160.70
162.14
158.34
153.23
152.48
152.33
152.38
15
152.65
152.90
154.47
152.89
157.32
160.83
162.15
158.03
153.28
152.46
152.41
152.40
16
152.64
153.29
154.23
152.85
157.32
160.96
162.15
157.45
153.29
152.50
152.33
152.41
17
152.64
153.58
153.62
152.87
157.30
161.05
162.14
156.64
153.11
152.40
152.18
152.42
18
152.64
153.68
153.29
153.01
157.27
161.11
162.14
156.60
153.09
152.42
152.20
152.43
19
152.64
153.77
153.24
153.31
157.24
161.13
162.13
156.41
153.08
152.51
152.23
152.55
20
152.63
153.79
153.34
153.85
157.24
161.17
162.11
155.99
153.04
152.55
152.27
152.86
21
152.60
153.96
153.36
154.15
157.30
161.22
162.08
155.63
153.09
152.59
152.32
152.76
22
152.53
153.90
153.37
154.43
157.51
161.30
162.04
155.49
153.06
152.56
152.35
152.71
23
152.51
153.57
153.34
154.50
157.71
161.45
161.99
155.42
153.01
152.55
152.35
152.66
24
152.50
153.44
153.31
154.56
157.95
161.58
161.93
155.20
153.09
152.55
152.31
152.50
25
152.51
153.54
153.24
154.79
158.19
161.72
161.88
154.92
153.04
152.54
152.34
152.54
26
152.50
153.67
153.10
155.03
158.64
161.91
161.84
154.77
152.93
152.53
152.37
152.66
27
152.48
153.90
153.18
155.34
159.22
162.07
161.80
154.72
152.89
152.53
152.30
152.58
28
152.47
153.78
153.20
155.56
159.02
162.23
161.77
154.69
152.92
152.52
152.34
152.54
29
152.48
153.40
152.89
155.55
159.24
162.33
161.72
154.57
152.94
152.51
152.51
152.52
30
152.47
153.11
152.85
155.46
159.44
162.38
161.69
154.12
152.95
152.51
152.51
31
153.10
155.85
159.58
161.64
152.94
152.51
152.50
----------
--------------
Mean
152.56
153.15
154.35
154.00
157.43
160.88
162.09
157.97
153.37
152.57
152.38
152.40
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Max
152.65
153.96
156.86
155.85
159.58
162.38
162.40
161.59
154.19
152.90
152.51
152.86
162.40
Min
152.47
152.52
152.85
152.85
155.68
159.74
161.64
154.12
152.89
152.28
152.18
152.11
152.11
162.40
m. (MSL.) ,
151.11
m. (MSL.) ,
River Bed 148.99
m. (MSL)
164.12
m. (MSL.) ,
161.68
m. (MSL.) ,
Drainage Area 10878 Square Kilometers
at 01.00 Hours, on Oct 1, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation