Basic HTML Version
24
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WATER YEAR : 2013
KHONG RIVER BASIN
Nam Thop at Ban Kok So , Loei (Kh.77A)
Lat 17 - 15 - 46 N Long 101 - 39 - 28 E
Locat on : on e t an at Ban Ko So.
156
sq.km.
Staff gage
+260.980 m. (MSL.)
B.M.- Highways Dept.
On right bank at the abutment of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
+268.630 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Wang Saphung
Changwat
Loei
Ban
Kok So
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 3 readings
1983 to date
1984 to date
-
1984 to date
Stable.
No overbank flow.
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. The cataract situated downstream from the gage site.
Stage-discharge relation defined by 23 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
261.25
261.29
261.53
261.78
261.92
261.91
262.02
261.78
261.50
261.37
261.30
261.34
2
261.25
261.28
261.52
261.72
262.50
261.79
262.09
261.76
261.49
261.37
261.46
261.33
3
261.25
261.29
261.51
261.57
261.93
261.72
262.43
261.74
261.49
261.37
261.32
261.32
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
261.24
261.28
261.66
261.60
261.80
261.68
261.99
261.74
261.48
261.37
261.46
261.29
5
261.23
261.31
262.19
261.66
261.74
261.66
261.86
261.73
261.47
261.37
261.45
261.30
6
261.22
261.32
261.94
261.63
261.69
261.72
261.79
261.72
261.46
261.37
261.45
261.31
7
261.21
261.30
261.71
261.62
262.17
261.95
261.75
261.71
261.46
261.37
261.44
261.30
8
261.20
261.27
261.79
261.86
262.23
262.01
261.72
261.71
261.45
261.37
261.43
261.32
9
261.19
261.27
261.61
261.96
261.86
262.08
261.68
261.70
261.41
261.37
261.42
261.33
10
261.18
261.27
261.57
262.07
262.19
261.95
261.65
261.69
261.40
261.36
261.42
261.20
11
261.17
261.30
261.54
262.01
262.07
261.88
261.64
261.69
261.40
261.36
261.44
261.28
12
261 16
261 29
261 52
262 00
261 87
263 25
261 64
261 67
261 40
261 35
261 42
261 24
.
.
.
.
.
.
.
.
.
.
.
.
13
261.15
261.29
261.53
261.88
261.78
262.52
261.63
261.67
261.40
261.34
261.39
261.30
14
261.14
261.28
261.52
261.92
261.76
262.40
261.60
261.75
261.40
261.32
261.39
261.30
15
261.14
261.29
261.50
261.80
261.71
262.78
261.59
261.80
261.40
261.32
261.39
261.31
16
261.13
261.30
261.50
261.83
261.68
262.20
261.60
261.75
261.39
261.31
261.40
261.33
17
261.15
261.31
261.50
261.87
261.66
262.01
263.55
261.73
261.39
261.31
261.40
261.34
18
261.19
261.30
261.48
261.73
261.64
262.66
263.16
261.71
261.39
261.31
261.38
261.33
19
261.19
261.31
261.46
261.66
261.62
261.93
262.51
261.70
261.39
261.30
261.31
261.32
20
261.22
261.35
261.46
261.62
261.60
261.87
262.16
261.69
261.39
261.30
261.36
261.31
21
261.22
261.34
261.49
261.60
261.59
262.68
262.01
261.66
261.39
261.30
261.33
261.30
22
261.25
261.38
261.55
261.71
262.49
262.82
261.93
261.63
261.39
261.30
261.31
261.36
23
261.25
261.50
261.60
262.47
262.28
262.06
261.88
261.60
261.39
261.30
261.32
261.33
24
261.25
261.49
261.54
261.69
261.92
261.92
261.84
261.57
261.38
261.29
261.33
261.33
25
261.25
261.54
261.69
261.81
261.78
262.03
262.32
261.54
261.38
261.29
261.34
261.34
26
261.26
261.50
261.67
261.85
261.78
261.91
262.09
261.53
261.38
261.28
261.33
261.35
27
261.29
261.46
261.98
262.07
261.79
263.17
261.94
261.52
261.38
261.27
261.32
261.34
28
261.30
261.43
261.83
262.22
261.87
263.02
261.88
261.51
261.38
261.26
261.33
261.32
29
261.30
261.41
261.87
262.40
261.86
262.22
261.84
261.51
261.37
261.26
261.32
30
261.29
261.44
261.83
262.26
261.80
262.02
261.83
261.50
261.37
261.26
261.32
31
261.58
262.10
262.25
261.81
261.37
261.26
261.31
----------
--------------
Mean
261.22
261.35
261.64
261.87
261.90
262.19
261.98
261.67
261.41
261.32
261.38
261.31
Max
261.30
261.58
262.19
262.47
262.50
263.25
263.55
261.80
261.50
261.37
261.46
261.36
263.55
Min
261.13
261.27
261.46
261.57
261.59
261.66
261.59
261.50
261.37
261.26
261.30
261.20
261.13
264.31
m. (MSL.) ,
260.98
m. (MSL.) ,
River Bed 260.90
m. (MSL.)
268.69
m. (MSL.) ,
268.67
m. (MSL.) ,
Drainage Area 156 Square Kilometers
at 20.00 Hours , on Sep 21 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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