Basic HTML Version
632
Location : on left bank at Ban Wang Maprang.
656
sq.km.
WATER YEAR : 2011
SOUTHERN PENINSULA EAST COAST
Khlong Tha Sae at Ban Wang Maprang , Chumphon (X.247)
Lat 10 - 43 - 58 N Long 99 - 10 - 42 E
Amphoe
Tha Sae
Changwat
Chumphon
Ban
Wang Maprang
Drainge Area
Staff gage
+12.000 m. (MSL.)
B.M.-H.D.
On left bank near the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2007 to date
+23.427 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 33 discharge measurements made in 2011.
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
12.93
12.36
12.39
13.94
14.08
13.12
13.13
12.71
12.23
12.05
13.41
12.03
2
12.75
12.35
12.38
15.01
13.85
12.90
12.95
12.66
12.23
12.06
13.23
12.03
3
12.69
12.35
12.37
14.30
13.37
12.85
13.21
12.61
12.22
14.36
13.02
12.03
4
12.68
12.35
12.36
13.66
13.28
12.94
13.15
12.53
12.21
13.33
12.87
12.02
5
12.67
12.72
12.36
13.45
13.19
12.81
13.07
12.46
12.20
12.53
12.74
12.02
6
12.65
12.50
12.42
13.17
13.01
12.69
12.86
12.42
12.20
12.31
12.57
12.04
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
12.86
12.77
12.50
12.91
12.97
12.61
12.71
12.54
12.19
12.15
12.42
12.09
8
12.84
12.84
12.52
12.82
12.85
12.57
12.85
12.46
12.18
12.10
12.34
12.07
9
12.70
13.09
12.56
12.78
12.75
12.62
12.83
12.38
12.17
12.09
12.24
12.01
10
12.61
13.30
12.58
12.75
12.72
12.60
12.71
12.36
12.17
12.09
12.24
12.01
11
12.58
13.41
12.63
12.73
12.84
12.66
12.81
12.35
12.16
12.09
12.33
12.01
12
12.55
13.17
12.66
12.75
13.15
13.38
13.15
12.40
12.15
12.08
12.32
12.37
13
12.52
12.77
12.85
12.76
13.38
14.10
12.76
13.14
12.15
12.07
12.20
12.17
14
12.50
12.63
12.91
12.71
13.07
13.26
12.61
14.19
12.14
12.04
12.22
12.17
15
12.50
12.49
12.83
12.69
12.98
12.93
12.57
13.16
12.13
12.04
12.20
12.08
16
12.50
12.56
12.72
12.76
12.83
12.81
12.53
12.84
12.12
12.03
12.19
12.07
17
12.49
12.49
12.93
12.96
12.74
12.71
12.49
12.61
12.12
12.03
12.19
12.05
18
12.48
12.58
13.00
12.82
12.78
12.64
12.48
12.55
12.11
12.02
12.18
12.15
19
12.51
12.78
13.27
12.71
12.77
12.70
12.47
12.50
12.10
12.02
12.23
12.19
20
12.50
12.57
15.29
12.69
12.74
12.70
12.45
12.45
12.09
12.02
12.34
12.04
21
12.50
12.55
14.30
12.64
13.06
12.85
14.08
12.43
12.08
12.03
12.24
12.01
22
12.47
12.48
13.95
12.67
12.81
13.13
13.40
12.42
12.08
12.05
12.14
12.01
23
12.42
12.47
13.41
12.69
12.75
12.84
13.76
12.41
12.07
12.06
12.13
12.01
24
12.40
12.46
13.14
12.77
12.65
12.74
12.89
12.40
12.06
12.10
12.14
12.01
25
12.39
12.45
12.90
13.21
12.62
13.10
12.83
12.38
12.05
12.14
12.13
12.01
26
12.37
12.45
12.80
14.12
12.57
12.88
13.16
12.26
12.05
12.18
12.13
12.01
27
12.35
12.44
12.74
13.63
12.68
12.71
14.04
12.24
12.04
12.16
12.13
12.01
28
12.34
12.43
12.79
13.26
13.78
13.96
13.49
12.24
12.04
12.14
12.12
12.01
29
12.33
12.42
12.72
13.08
14.48
14.37
13.05
12.23
12.04
12.14
12.12
12.00
30
12.33
12.40
13.15
13.60
13.99
13.37
12.84
12.23
12.03
12.16
12.00
31
12.39
14.30
13.45
12.72
12.03
12.47
12.00
----------
--------------
Mean
12.55
12.61
12.91
13.17
13.10
12.99
12.97
12.55
12.12
12.23
12.37
12.06
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
12.93
13.41
15.29
15.01
14.48
14.37
14.08
14.19
12.23
14.36
13.41
12.37
15.29
Min
12.33
12.35
12.36
12.64
12.57
12.57
12.45
12.23
12.03
12.02
12.12
12.00
12.00
15.48
m. (MSL.) ,
12.00
m. (MSL.) ,
River Bed 11.08
m. (MSL)
25.21
m. (MSL.) ,
25.16
m. (MSL.) ,
Drainage Area 656 Square Kilometers
at 06.00 Hours , on Jun 20 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation