Basic HTML Version
502
Location : on left bank at Ban Wang Yen.
10,557 sq.km.
Drainge Area
WATER YEAR : 2011
MAE KLONG RIVER BASIN
Khwae Noi River at Ban Wang Yen , Kanchanaburi (K.37)
Lat 13 - 55 - 54 N Long 99 - 25 - 38 E
Amphoe
Mueang
Changwat
Kanchanaburi
Ban
Wang Yen
Water - stage recorder
+19.840 m. (MSL.)
B.M.-H.D.
On left bank about 5 meters from the automatic gage building.
Elevation
Recording
Arithmetic means of 24 readings
1984 to date
Rating Operation
Period of Available Gage Records
Bench Mark
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
Type of Gage
+33.266 m. (MSL.)
1984 to date
-
1984 to date
Stable.
No overbank flow.
Records good. Flow regulated by Khao Laem Dam.
Stage-discharge relation defined by 40 discharge measurements made in 2011
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
23.39
23.44
23.37
23.25
24.48
25.20
23.80
23.80
23.84
23.87
23.36
24.14
2
23.36
23.43
23.41
23.20
25.60
25.24
23.76
23.63
23.92
24.06
23.38
24.17
3
23.35
23.30
23.33
23.16
26.01
25.20
23.94
23.58
23.93
23.77
23.35
24.19
4
23.38
23.38
23.42
23.14
25.66
25.21
23.98
23.56
23.90
24.30
23.37
24.16
5
23.24
23.45
23.56
23.12
25.41
25.01
24.04
23.53
23.70
24.39
23.39
24.14
6
23.43
23.23
23.38
23.19
25.50
24.21
24.04
23.76
23.88
24.43
23.37
24.33
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
7
23.39
23.09
23.34
23.26
25.41
24.36
24.24
23.82
23.93
24.45
23.39
24.12
8
23.36
23.13
23.38
23.15
25.42
24.38
24.88
23.78
23.94
24.54
23.94
24.17
9
23.39
23.05
23.31
23.16
25.34
24.48
25.77
24.00
23.93
24.24
24.17
24.20
10
23.34
23.05
23.26
23.22
25.38
24.57
25.70
23.98
23.88
23.53
24.24
24.18
11
23.37
23.34
23.24
23.21
25.50
24.61
25.10
24.02
23.91
23.51
24.28
24.22
12
23.36
23.47
23.24
23.18
25.56
24.85
25.35
24.12
23.85
23.44
24.32
24.21
13
23.55
23.48
23.25
23.22
25.45
25.26
25.33
24.02
23.74
23.43
24.27
24.09
14
23.48
23.49
23.25
23.34
25.31
25.18
25.11
23.99
23.94
23.44
24.08
24.09
15
23.43
23.54
23.17
23.50
25.36
24.98
24.70
24.00
23.93
23.36
24.12
24.19
16
23.48
23.50
23.11
23.76
25.31
25.25
24.66
23.91
23.90
23.40
24.15
24.36
17
23.49
23.56
23.17
23.80
25.33
25.32
24.73
23.69
23.86
23.40
24.18
24.56
18
23.50
23.52
23.32
23.86
25.46
25.28
24.88
23.82
23.93
23.41
24.18
24.51
19
23.48
23.41
23.40
23.91
25.38
25.03
25.15
23.91
23.85
23.45
24.17
24.44
20
23.45
23.38
23.45
23.90
25.30
24.75
24.99
23.92
23.83
23.50
24.12
24.40
21
23.34
23.35
23.32
23.73
25.31
25.18
24.89
23.89
23.92
23.48
24.06
24.46
22
23.38
23.29
23.29
24.19
25.33
25.17
24.81
23.84
23.90
23.46
24.14
24.35
23
23.35
23.25
23.26
24.65
25.30
25.16
24.58
23.91
23.88
23.43
24.15
24.32
24
23.52
23.20
23.20
24.58
25.31
25.28
24.47
23.90
23.86
23.35
24.16
24.33
25
23.45
23.15
23.19
24.48
25.19
25.21
24.34
23.89
23.85
23.45
24.19
24.35
26
23.45
23.17
23.14
24.27
25.27
25.02
24.34
23.89
23.87
23.41
24.18
24.46
27
23.42
23.27
23.07
24.28
25.29
24.67
24.27
23.85
23.86
23.36
24.13
24.45
28
23.45
23.38
23.17
24.21
25.16
24.94
24.22
23.85
23.87
23.35
24.08
24.51
29
23.49
23.35
23.56
24.24
24.93
24.86
24.26
23.92
23.89
23.40
24.11
24.49
30
23.51
23.38
23.42
24.14
24.19
24.12
24.28
23.84
23.86
23.36
24.46
31
23.22
24.15
25.14
24.24
23.83
23.35
24.43
----------
--------------
Mean
23.42
23.33
23.30
23.69
25.31
24.93
24.61
23.85
23.88
23.66
23.97
24.31
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
23.55
23.56
23.56
24.65
26.01
25.32
25.77
24.12
23.94
24.54
24.32
24.56
26.01
Min
23.24
23.05
23.07
23.12
24.19
24.12
23.76
23.53
23.70
23.35
23.35
24.09
23.05
26.08
m. (MSL.) ,
19.84
m. (MSL.) ,
River Bed 19.76
m. (MSL)
32.12
m. (MSL.) ,
32.65
m. (MSL.) ,
Drainage Area 10557 Square Kilometers
at 06.00 Hours , on Aug 3 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation