Basic HTML Version
644
Location : on right bank at Ban Bang Rup.
866
sq.km.
Drainge Area
WATER YEAR : 2011
TAPI RIVER BASIN
Khlong Sin Pun at Ban Bang Rup , Surat Thani (X.198)
Lat 08 - 24 - 24 N Long 99 - 15 - 05 E
Amphoe
Phrasaeng
Changwat
Surat Thani
Ban
Bang Rup
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank at the footpath of the bridge.
Elevation
Recording
Arithmetic means of 24 readings
2007 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+19.259 m. (MSL.)
Bench Mark
Type of Gage
2007 to date
-
2007 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Stage-discharge relation defined by 26 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
18.36
12.36
11.20
11.05
13.95
14.57
13.84
12.20
12.63
11.45
11.69
10.75
2
18.07
12.64
11.20
11.00
14.18
14.73
13.92
12.20
12.52
12.17
12.02
10.74
3
17.71
12.32
11.20
10.86
13.55
14.75
13.95
12.18
12.65
13.88
11.90
10.74
4
17.37
12.19
11.20
10.80
12.52
13.76
13.87
12.83
12.92
14.35
11.56
10.73
5
17.06
12.12
11.20
10.80
11.60
13.51
13.67
12.83
13.67
14.47
11.35
10.71
6
16.80
12.06
11.20
10.75
11.00
12.64
13.50
12.95
14.14
14.19
11.25
10.99
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
16.63
12.08
11.39
10.70
11.00
12.42
13.47
12.94
14.23
13.24
11.17
12.07
8
16.44
12.26
11.70
10.70
11.15
12.35
14.42
12.96
13.93
12.66
11.10
11.99
9
16.27
12.74
11.68
10.69
11.23
12.28
14.85
13.13
12.83
12.27
11.06
11.74
10
16.11
12.94
11.60
10.65
11.25
12.25
14.55
13.15
12.54
11.93
11.02
11.81
11
15.58
12.84
11.60
10.63
11.28
12.85
13.95
13.27
12.75
11.69
10.97
11.44
12
15.24
12.41
11.60
11.91
11.30
13.67
13.81
13.46
12.86
11.54
10.93
11.18
13
14.64
12.15
11.60
12.30
11.35
14.45
13.60
13.86
12.55
11.57
10.91
10.92
14
13.88
11.99
11.70
12.94
11.25
14.58
13.47
14.03
12.10
11.65
10.90
10.80
15
13.42
11.93
11.70
13.70
11.22
14.70
13.37
13.78
11.78
12.44
10.86
10.77
16
12.75
12.19
11.73
14.08
11.20
14.80
13.18
13.81
11.83
12.52
10.83
10.76
17
12.51
12.47
11.53
14.18
11.20
14.86
12.90
13.92
12.40
12.93
10.88
10.74
18
12.82
12.59
11.65
14.28
11.61
14.62
12.60
13.85
12.85
13.67
10.93
11.61
19
13.81
12.73
11.90
14.30
11.82
14.50
12.36
13.10
12.84
13.58
11.24
11.97
20
13.85
13.68
11.90
14.30
12.05
13.74
12.26
12.39
12.55
13.85
11.66
12.59
21
13.66
13.56
11.82
14.23
12.50
13.66
12.69
12.17
12.08
13.39
12.28
12.99
22
13.01
12.67
11.73
13.81
12.80
13.68
12.47
12.30
11.82
13.37
11.96
12.27
23
12.03
12.40
11.64
13.42
13.09
12.66
12.31
13.10
11.83
13.18
11.23
11.25
24
11.95
12.19
11.56
12.56
13.16
12.60
12.07
13.83
12.24
12.81
10.97
10.94
25
11.95
12.05
11.33
12.20
12.62
12.62
11.76
14.23
13.13
12.30
10.88
10.91
26
12.02
11.83
11.23
12.90
12.40
12.64
11.87
14.35
13.05
11.82
10.83
11.04
27
12.30
11.31
11.13
13.53
12.68
12.68
12.52
14.44
12.56
11.74
10.78
10.93
28
12.24
11.36
11.12
13.63
13.69
12.81
12.64
14.48
12.19
11.49
10.75
11.42
29
12.06
11.42
11.11
13.64
14.30
13.41
12.62
14.14
11.88
11.35
10.91
11.08
30
11.95
11.35
11.10
13.61
14.51
13.77
12.37
13.28
11.64
11.47
11.43
31
11.27
13.63
14.37
12.29
11.46
12.00
11.88
----------
--------------
Mean
14.42
12.26
11.47
12.51
12.32
13.55
13.13
13.31
12.60
12.61
11.20
11.33
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Max
18.36
13.68
11.90
14.30
14.51
14.86
14.85
14.48
14.23
14.47
12.28
12.99
18.36
Min
11.95
11.27
11.10
10.63
11.00
12.25
11.76
12.17
11.46
11.35
10.75
10.71
10.63
18.51
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 9.44
m. (MSL)
18.90
m. (MSL.) ,
18.89
m. (MSL.) ,
Drainage Area 866 Square Kilometers
at 01.00 Hours , on Apr 1 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation