Basic HTML Version
638
Location : on right bank at Ban Trom.
818
sq.km.
WATER YEAR : 2012
TAPI RIVER BASIN
Khlong Trom at Ban Trom , Surat Thani (X.259)
Lat 08 - 32 - 24 N Long 99 - 05 - 58 E
Drainge Area
Amphoe
Chai Buri
Changwat
Surat Thani
Ban
Trom
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank downstream at the footpath
Elevation
Recording
Arithmetic mean of 24 readings
2007 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+62.353 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 22 discharge measurements made in 2012.
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
53.85
54.94
55.76
54.21
53.85
54.42
55.14
54.20
54.19
53.95
53.64
53.52
2
53.84
54.71
55.79
54.20
53.80
53.89
54.65
54.39
54.06
53.92
53.64
53.51
3
54.89
54.12
55.75
54.07
53.77
53.76
54.70
54.69
54.00
53.78
53.63
53.51
4
55.07
54.07
55.83
53.95
53.75
53.80
54.65
54.88
53.95
53.82
53.63
53.51
5
54.22
54.16
56.16
54.34
53.70
53.75
54.39
55.34
53.90
54.87
53.62
53.50
6
54.21
54.49
57.27
54.64
53.76
55.37
54.35
55.43
53.85
55.03
53.62
53.50
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
54.55
55.66
58.75
54.44
53.75
54.18
54.38
55.02
53.76
54.33
53.61
53.50
8
54.26
55.57
59.25
54.36
53.75
54.34
54.26
54.64
53.70
54.11
53.60
53.50
9
53.96
55.18
59.44
54.64
53.78
54.24
54.25
54.23
53.70
53.96
53.59
53.50
10
53.92
54.76
59.20
54.72
53.65
54.00
54.23
54.15
53.99
53.93
53.59
53.50
11
54.52
54.44
58.66
54.38
53.68
53.92
54.35
54.32
54.47
53.87
53.58
53.49
12
54.92
54.31
57.86
54.43
53.66
53.92
54.46
55.07
54.38
53.85
53.57
53.49
13
54.51
54.11
57.18
54.40
53.65
55.32
54.63
55.65
54.26
53.88
53.56
53.49
14
54.22
54.03
56.26
54.37
53.63
56.65
54.34
55.26
54.06
53.95
53.55
53.49
15
54 16
53 97
55 28
54 14
53 65
57 15
54 25
54 51
53 90
53 87
53 55
53 49
.
.
.
.
.
.
.
.
.
.
.
.
16
54.33
53.97
54.91
53.93
53.58
56.84
54.25
54.09
54.10
53.80
53.55
53.49
17
54.08
54.17
54.76
53.95
53.56
55.82
54.40
54.00
54.27
53.76
53.65
53.49
18
54.44
54.41
54.62
53.95
53.56
54.65
55.14
54.05
54.03
53.72
53.64
53.49
19
56.20
54.21
54.53
53.93
53.55
54.21
55.87
54.15
53.90
53.71
53.64
53.48
20
55.66
54.18
54.46
53.90
53.65
54.20
54.34
54.56
53.80
53.70
53.64
53.48
21
54.65
53.99
54.36
53.95
53.66
54.20
54.10
54.27
53.75
53.70
53.63
53.48
22
55.55
54.00
54.31
53.90
53.48
54.25
54.09
54.28
53.94
53.69
53.62
53.48
23
54.65
53.90
54.25
53.85
53.71
54.21
54.15
54.17
54.20
53.69
53.61
53.47
24
54.45
53.93
54.20
53.85
53.77
54.20
54.14
54.25
54.88
53.68
53.59
53.47
25
54.32
54.11
54.11
53.78
54.10
54.37
54.12
54.25
54.73
53.67
53.56
53.47
26
54.28
54.71
54.10
53.77
54.05
54.85
54.14
54.25
54.58
53.67
53.76
53.47
27
54.25
55.51
54.07
53.77
53.85
55.64
54.98
54.10
54.19
53.66
53.90
53.47
28
54.37
55.66
54.06
53.80
54.26
56.57
54.23
54.31
53.92
53.65
53.73
53.47
29
54.41
57.53
54.04
53.80
55.49
56.76
54.11
55.09
53.85
53.65
53.47
30
54.71
55.54
54.02
53.80
55.91
56.50
54.05
55.22
53.80
53.64
53.47
31
55.88
53.78
55.51
54.04
53.96
53.64
53.47
----------
--------------
Mean
54.52
54.65
55.77
54.10
53.92
54.87
54.43
54.56
54.07
53.88
53.63
53.49
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Max
56.20
57.53
59.44
54.72
55.91
57.15
55.87
55.65
54.88
55.03
53.90
53.52
59.44
Min
53.84
53.90
54.02
53.77
53.48
53.75
54.04
54.00
53.70
53.64
53.55
53.47
53.47
59.50
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 52.65
m. (MSL.)
62.07
m. (MSL.) ,
62.03
m. (MSL.) ,
Drainage Area 818 Square Kilometers
at 12.00 Hours , on Jun 9 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation