Basic HTML Version
662
Location : on right bank at Ban Trom.
818
sq.km.
Amphoe
Chai Buri
Changwat
Surat Thani
Ban
Trom
WATER YEAR : 2014
TAPI RIVER BASIN
Khlong Trom at Ban Trom , Surat Thani (X.259)
Lat 08 - 32 - 24 N Long 99 - 05 - 58 E
Drainge Area
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
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+62.353 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
2007 to date
-
2007 to date
Fairly stable.
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
53.36
53.54
53.51
53.75
56.23
54.70
53.98
56.87
54.89
54.33
53.77
53.50
2
53.45
53.46
53.57
53.68
55.74
54.40
54.16
57.63
54.89
54.10
53.81
53.50
3
53.70
53.40
53.71
53.62
55.07
54.14
55.13
58.15
55.00
54.08
53.86
53.49
4
53.71
53.40
53.80
53.60
54.36
53.96
55.99
57.83
55.51
54.02
53.85
53.49
5
53.70
53.40
53.80
53.56
54.59
53.88
56.77
56.69
55.68
54.02
53.82
53.48
6
53.70
53.40
53.80
53.51
55.95
53.87
57.78
55.91
55.76
55.33
53.81
53.48
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Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
53.71
53.40
53.74
53.50
57.28
53.90
58.70
56.35
55.36
56.84
53.79
53.48
8
53.78
53.40
53.63
53.56
58.07
54.03
59.21
57.36
55.44
55.52
53.76
53.47
9
53.76
53.40
53.60
53.57
57.75
54.65
59.28
58.16
56.30
54.64
53.74
53.47
10
53.74
53.40
53.60
53.60
56.84
55.77
58.70
58.31
55.68
54.37
53.74
53.47
11
53.71
53.42
53.56
53.60
55.73
56.25
58.02
57.82
54.69
54.22
53.71
53.46
12
53.70
53.44
53.50
53.61
54.63
55.43
57.33
56.85
54.69
54.11
53.69
53.46
13
53.70
53.46
53.50
53.79
54.32
54.56
56.79
56.46
55.65
54.09
53.68
53.45
14
53.68
53.48
53.65
54.34
54.38
54.96
56.52
56.41
55.36
54.08
53.66
53.44
15
53 67
53 48
53 79
55 11
54 45
56 79
56 24
56 03
54 65
54 00
53 65
53 44
.
.
.
.
.
.
.
.
.
.
.
.
16
53.66
53.49
53.80
55.47
54.48
58.20
56.20
55.78
54.40
53.98
53.62
53.44
17
53.66
53.45
53.80
54.88
54.48
58.49
56.20
55.71
54.40
53.97
53.61
53.44
18
53.64
53.46
53.81
54.17
54.45
58.13
56.42
55.28
54.38
53.95
53.58
53.42
19
53.62
53.55
53.92
53.85
54.40
57.41
57.42
54.98
54.30
53.92
53.53
53.42
20
53.60
53.51
53.81
53.69
54.30
56.38
57.83
55.55
54.32
53.92
53.51
53.42
21
53.60
53.49
53.60
53.67
53.99
55.22
56.89
56.08
54.31
53.90
53.50
53.41
22
53.60
53.57
53.64
53.64
53.97
54.46
56.03
56.05
55.02
53.88
53.50
53.41
23
53.60
53.70
54.08
53.98
54.79
55.01
55.93
55.57
55.04
53.86
53.50
53.41
24
53.60
53.69
54.27
56.70
56.01
56.19
56.23
55.38
54.33
53.85
53.50
53.41
25
53.60
53.70
54.12
58.54
56.96
56.44
56.83
55.35
54.33
53.82
53.50
53.41
26
53.59
53.74
53.82
59.02
57.26
55.52
57.54
55.28
54.86
53.82
53.50
53.40
27
53.58
53.71
53.70
58.70
57.07
55.07
57.88
55.25
55.65
53.79
53.50
53.40
28
53.57
53.71
53.70
58.18
56.51
54.93
57.70
55.19
56.23
53.78
53.50
53.40
29
53.56
53.57
53.75
57.79
55.71
54.64
57.43
55.17
56.34
53.76
53.40
30
53.55
53.50
53.78
57.26
55.15
54.25
57.24
55.01
55.84
53.76
53.40
31
53.49
56.74
54.90
56.94
55.08
53.75
53.40
----------
--------------
Mean
53.64
53.51
53.75
54.93
55.48
55.39
56.95
56.28
55.11
54.18
53.65
53.44
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Max
53.78
53.74
54.27
59.02
58.07
58.49
59.28
58.31
56.34
56.84
53.86
53.50
59.28
Min
53.36
53.40
53.50
53.50
53.97
53.87
53.98
54.98
54.30
53.75
53.50
53.40
53.36
59.36
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 52.89
m. (MSL.)
62.07
m. (MSL.) ,
62.03
m. (MSL.) ,
Drainage Area 818 Square Kilometers
at 02.00 Hours , on Oct 9 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation