Page 74 - Slide 1

Basic HTML Version

38
Location : on left bank at the bridge of Amphoe Phu Rua - Amphoe Dan Sai Highway.
352
sq.km.
WATER YEAR : 2014
KHONG RIVER BASIN
Nam San at Ban Kaeng Hai , Loei (Kh.95)
Lat 17 - 26 - 20 N Long 101 - 19 - 50 E
Drainge Area
Amphoe
Phu Rua
Changwat
Loei
Ban
Kaeng Hai
Water - stage recorder
+593.920 m. (MSL.)
B.M.- Highways Dept.
On left bank upstream side at the footpath of the bridge.
Elevation
Recording
Arithmetic mean of 24 readings
1998 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+605.713 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1998 to date
-
1999 to date
Rather unstable.
No overbank flow.
Records fair. Stage-discharge relation defined by 24 discharge measurements made in 2014.
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
595.12
595.93
597.92
596.10
597.19
597.96
597.68
596.48
596.00
595.64
595.68
595.73
2
595.11
595.84
597.28
596.26
596.69
597.56
597.34
596.48
595.99
595.63
595.68
595.84
3
595.12
596.00
596.13
596.25
596.60
597.35
597.13
596.47
595.98
595.62
595.68
596.00
4
595.12
596.17
595.98
596.19
596.52
597.18
597.41
596.47
595.98
595.61
595.68
595.81
5
595.16
595.95
596.17
596.15
596.43
596.99
596.87
596.46
595.97
595.59
595.68
596.05
6
595.18
595.57
596.14
596.11
596.46
598.80
597.01
596.45
595.96
595.58
595.68
595.93
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
595.20
595.80
596.07
596.07
596.52
599.59
596.93
596.48
595.95
595.58
595.68
595.79
8
595.19
596.53
596.06
595.91
596.33
598.98
596.85
596.37
595.95
595.62
595.68
595.72
9
595.09
596.38
596.33
595.91
597.31
597.63
596.80
596.92
595.94
595.69
595.68
595.70
10
595.05
596.45
596.30
596.08
596.93
597.39
596.65
598.99
595.90
595.74
595.68
595.70
11
595.06
596.50
596.19
596.42
597.52
597.09
596.62
598.01
595.87
595.79
595.68
595.72
12
595.09
596.31
596.14
596.96
596.84
597.08
596.62
596.76
595.84
595.82
595.68
595.71
13
595.10
596.22
596.17
598.01
596.62
597.52
596.58
596.50
595.83
595.82
595.68
595.70
14
595.09
596.16
596.21
597.50
596.54
596.98
596.56
596.37
595.82
595.82
595.67
595.68
15
595.08
596.11
596.32
597.09
596.60
597.78
596.55
596.34
595.81
595.82
595.67
595.67
16
595.07
596.09
596.75
598.20
597.39
597.34
596.54
596.32
595.80
595.82
595.66
595.66
17
595.07
596.10
596.44
597.51
598.56
597.21
596.52
596.32
595.80
595.81
595.69
595.66
18
595.10
596.28
597.61
596.90
597.11
596.85
596.50
596.32
595.80
595.80
595.74
595.67
19
595.16
596.18
596.74
596.81
596.84
597.11
596.49
596.35
595.80
595.79
595.80
595.68
20
595.18
596.52
596.62
596.79
596.66
597.84
596.48
596.40
595.80
595.78
595.79
595.70
21
595.10
596.39
596.49
596.75
596.60
597.10
596.45
596.37
595.80
595.74
595.78
595.61
22
595.11
596.77
596.30
596.61
596.87
596.99
596.41
596.34
595.80
595.72
595.78
595.64
23
595.15
596.02
596.22
596.52
596.85
597.02
596.39
596.34
595.80
595.70
595.77
595.79
24
595.19
596.65
596.18
596.67
596.67
599.17
596.37
596.34
595.80
595.70
595.78
595.70
25
595.23
596.42
596.24
596.80
596.65
601.15
596.35
596.36
595.79
595.69
595.76
595.81
26
595.32
596.49
596.25
596.74
597.02
601.61
596.39
596.36
595.75
595.68
595.76
595.77
27
595.45
596.19
596.23
598.24
596.85
600.93
596.44
596.36
595.71
595.68
595.75
595.73
28
595.47
596.54
596.17
600.60
596.99
599.54
596.46
596.28
595.67
595.68
595.74
595.74
29
595.47
598.05
596.12
598.17
597.10
597.80
596.48
596.03
595.64
595.68
595.88
30
595.46
598.08
596.03
597.41
598.84
597.47
596.48
596.02
595.64
595.68
595.95
31
598.03
597.38
599.08
596.48
595.64
595.68
595.89
----------
--------------
Mean
595.18
596.41
596.39
596.94
597.01
598.03
596.67
596.54
595.83
595.71
595.71
595.76
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
595.47
598.08
597.92
600.60
599.08
601.61
597.68
598.99
596.00
595.82
595.80
596.05
601.61
Min
595.05
595.57
595.98
595.91
596.33
596.85
596.35
596.02
595.64
595.58
595.66
595.61
595.05
601.70
m. (MSL.) ,
593.92
m. (MSL.) ,
River Bed 594.83
m. (MSL.)
605.54
m. (MSL.) ,
605.58
m. (MSL.) ,
Drainage Area 352 Square Kilometers
at 12.00 Hours , on Sep 26 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation