Page 126 - Slide 1

Basic HTML Version

92
Location : on left bank at the bridge of Nong Bua Lamphu - Amphoe Non Sang Highway.
1,364
sq.km.
WATER YEAR : 2012
CHI RIVER BASIN
Lam Phaniang at Ban Khong Po , Nong Bua Lamphu (E.68A)
Lat 17 - 04 - 47 N Long 102 - 27 - 11 E
Drainge Area
Amphoe
Mueang
Changwat
Nong Bua Lamphu
Ban
Khong Po
Staff gage
+194.730 m. (MSL.)
B.M.- Highways Dept.
On left bank downstream site at the footpath of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
1997 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+201.740 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1997 to date
-
1997 to date
Fairly stable.
Overbank flow starts at elevation +198.510 m.(MSL.) , records are channel flow only.
Records Fair. The concrete weir situated downstream from the gage site.
Stage-discharge relation defined by 8 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
196.80
196.83
197.73
196.82
196.82
197.38
196.93
197.02
196.97
196.70
196.31
195.86
2
196.80
196.83
198.10
196.82
196.81
197.39
196.77
197.03
196.95
196.70
196.29
195.84
3
196.80
196.82
198.34
196.82
196.80
197.44
196.91
197.02
196.94
196.70
196.29
195.82
4
196.79
196.82
198.11
196.83
196.80
197.43
196.87
197.01
196.93
196.68
196.29
195.80
5
196.79
196.82
197.64
196.98
196.80
197.42
196.91
197.02
196.90
196.66
196.28
195.79
6
196.78
196.82
197.42
197.89
196.79
197.40
196.90
197.03
196.88
196.65
196.26
195.77
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
196.78
196.81
197.64
198.27
196.78
197.48
196.91
197.01
196.85
196.64
196.25
195.73
8
196.78
196.81
197.83
198.26
196.80
197.84
196.94
196.99
196.86
196.63
196.24
195.72
9
196.78
196.80
198.16
197.90
196.83
198.10
196.98
196.99
196.88
196.63
196.22
195.69
10
196.78
196.80
198.39
197.68
196.83
198.26
196.96
196.98
196.88
196.63
196.20
195.66
11
196.78
196.80
198.50
197.48
196.89
198.38
196.93
196.96
196.87
196.61
196.18
195.63
12
196.78
196.79
198.26
197.34
196.99
198.52
196.94
196.95
196.87
196.58
196.15
195.60
13
196.78
196.79
197.64
197.24
196.98
198.63
196.95
196.94
196.86
196.58
196.12
195.58
14
196.77
196.78
197.30
197.18
196.95
198.76
196.94
196.92
196.84
196.57
196.10
195.56
15
196.77
196.78
197.08
197.16
196.90
198.61
196.94
196.87
196.81
196.57
196.09
195.53
16
196.76
196.78
196.99
197.19
196.78
197.89
196.97
196.94
196.80
196.56
196.07
195.47
17
196.75
196.79
196.96
197.09
196.92
197.66
196.95
196.90
196.77
196.53
196.04
195.41
18
196.74
196.79
196.95
197.03
196.87
197.49
196.93
196.89
196.77
196.52
196.03
195.37
19
196.75
196.81
196.95
196.96
196.86
197.28
196.92
196.89
196.76
196.51
196.03
195.33
20
196.75
196.80
196.92
196.92
196.86
197.20
196.91
196.88
196.76
196.50
196.02
195.33
21
196.75
196.80
196.88
196.89
196.86
197.24
196.90
196.88
196.76
196.49
196.00
195.35
22
196.73
196.81
196.89
196.88
196.85
197.17
196.92
196.87
196.75
196.48
195.98
195.40
23
196.73
196.82
196.87
196.86
196.84
197.14
196.91
196.86
196.74
196.47
195.98
195.49
24
196.72
196.81
196.86
196.85
196.84
197.16
196.92
196.87
196.73
196.45
195.97
195.47
25
196.72
196.81
196.84
196.86
196.91
197.11
196.93
196.87
196.73
196.43
195.96
195.46
26
196.71
196.83
196.83
196.83
196.98
197.10
196.94
196.88
196.72
196.41
195.92
195.45
27
196.71
196.85
196.83
196.83
197.02
197.07
196.94
196.91
196.72
196.39
195.90
195.45
28
196.71
196.94
196.83
196.83
197.03
197.04
196.96
196.95
196.72
196.38
195.88
195.45
29
196.72
197.06
196.83
196.83
197.05
197.01
196.99
197.06
196.72
196.37
195.45
30
196.78
197.27
196.83
196.83
197.14
197.00
197.01
197.00
196.71
196.35
195.47
31
197.46
196.83
197.31
197.01
196.71
196.33
195.47
----------
--------------
Mean
196.76
196.86
197.38
197.13
196.90
197.59
196.93
196.95
196.81
196.54
196.11
195.56
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Max
196.80
197.46
198.50
198.27
197.31
198.76
197.01
197.06
196.97
196.70
196.31
195.86
198.76
Min
196.71
196.78
196.83
196.82
196.78
197.00
196.77
196.86
196.71
196.33
195.88
195.33
195.33
198.79
m. (MSL.) ,
194.73
m. (MSL.) ,
River Bed 193.48
m. (MSL)
198.50
m. (MSL.) ,
199.58
m. (MSL.) ,
Drainage Area 1364 Square Kilometers
at 16.00 Hours, on Sep 14, 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation