Page 54 - Yearbook2013_v56_new

Basic HTML Version

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WATER YEAR : 2013
KHONG RIVER BASIN
Loei River at Ban Keng Bong , Loei (Kh.61)
Lat 17 - 07 - 44 N Long 101 - 40 - 56 E
Locat on : on r g t an at t e r ge o Amp oe Wang Sap ung - Ban Nong K an Roa .
549
sq.km.
Water - stage recorder.
+258.361 m. (MSL.)
B.M.- Highways Dept.
On right bank downstream side at the footpath of the bridge.
Elevation
Recording
Drainge Area
Amphoe
Phu Luang
Changwat
Loei
Ban
Keng Bong
Gage Reading Frequency
Zero Gage at Bottom
+272.020 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
1982 to date
1993 to date
-
1993 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. Stage-discharge relation defined by 25 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
259.05
258.63
259.30
259.34
260.55
261.62
260.37
259.63
259.27
259.20
259.11
259.03
2
259.16
258.61
259.18
259.27
262.24
260.52
260.52
259.62
259.27
259.20
259.11
259.03
3
259.14
258.59
259.23
259.31
260.77
260.15
261.07
259.59
259.26
259.20
259.10
259.03
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
259.06
258.74
259.77
259.58
260.20
260.11
260.44
259.55
259.25
259.19
259.09
259.03
5
259.08
259.66
259.63
259.96
259.95
259.90
260.18
259.51
259.25
259.19
259.09
259.02
6
259.00
259.01
260.72
259.65
259.98
259.92
260.05
259.49
259.24
259.19
259.09
259.02
7
258.92
258.81
259.85
259.52
260.06
260.42
259.94
259.49
259.23
259.19
259.09
259.03
8
258.92
258.94
259.31
259.99
260.79
260.43
259.87
259.48
259.22
259.18
259.08
259.03
9
258.92
259.08
259.41
260.62
260.14
260.27
259.80
259.46
259.21
259.17
259.08
259.00
10
258.91
258.87
259.03
260.80
260.67
260.36
259.73
259.45
259.21
259.16
259.08
259.00
11
258.90
258.93
258.95
260.71
261.00
260.17
259.70
259.44
259.21
259.16
259.07
259.01
12
258 89
258 90
258 94
260 13
260 50
262 36
259 68
259 43
259 21
259 15
259 06
259 01
.
.
.
.
.
.
.
.
.
.
.
.
13
258.97
258.79
259.20
259.86
260.11
261.64
259.66
259.42
259.21
259.14
259.05
259.02
14
258.89
258.75
259.15
259.72
259.97
261.76
259.62
259.47
259.21
259.14
259.06
259.02
15
258.90
258.71
259.13
259.72
259.83
262.61
259.60
259.66
259.21
259.14
259.07
259.04
16
259.00
258.66
259.10
259.76
259.72
261.75
259.60
259.51
259.24
259.13
259.08
259.00
17
258.93
258.67
259.06
259.63
259.71
260.78
261.31
259.47
259.27
259.13
259.08
259.07
18
259.22
258.66
259.06
259.85
259.65
261.76
261.57
259.41
259.29
259.13
259.07
259.22
19
259.32
258.80
259.17
259.55
259.57
260.74
261.02
259.39
259.25
259.13
259.06
259.11
20
258.91
258.66
259.01
259.46
259.51
260.39
260.48
259.37
259.23
259.12
259.06
259.06
21
258.94
258.68
259.17
259.38
259.50
261.53
260.11
259.36
259.22
259.12
259.05
259.03
22
258.93
258.65
259.09
259.40
260.62
262.28
259.93
259.35
259.22
259.12
259.07
259.03
23
258.92
258.96
259.29
260.79
262.64
260.76
259.84
259.34
259.22
259.12
259.07
259.02
24
258.94
260.10
259.23
261.02
261.35
260.38
259.81
259.33
259.21
259.12
259.05
259.01
25
258.98
259.69
259.30
260.42
260.43
260.58
260.39
259.32
259.21
259.12
259.05
259.01
26
258.69
259.16
259.43
260.20
260.33
260.62
260.30
259.32
259.21
259.12
259.05
259.01
27
258.96
258.94
259.71
259.76
260.12
261.55
259.94
259.31
259.20
259.12
259.04
259.01
28
258.78
258.87
260.28
260.70
259.94
262.18
259.83
259.30
259.20
259.12
259.04
259.02
29
258.69
258.81
259.75
262.73
260.32
261.17
259.75
259.29
259.20
259.12
259.06
30
258.65
258.92
259.44
261.48
259.94
260.61
259.68
259.28
259.20
259.11
259.05
31
259.60
260.64
261.45
259.64
259.20
259.11
259.01
----------
--------------
Mean
258.95
258.93
259.36
260.10
260.37
260.98
260.11
259.43
259.23
259.15
259.07
259.03
Max
259.32
260.10
260.72
262.73
262.64
262.61
261.57
259.66
259.29
259.20
259.11
259.22
262.73
Min
258.65
258.59
258.94
259.27
259.50
259.90
259.60
259.28
259.20
259.11
259.04
259.00
258.59
263.39
m. (MSL.) ,
258.36
m. (MSL.) ,
River Bed 258.73
m. (MSL.)
271.87
m. (MSL.) ,
266.94
m. (MSL.) ,
Drainage Area 549 Square Kilometers
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at 13.00 Hours , on Jul 29 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation