Basic HTML Version
684
i
i h b k
WATER YEAR : 2013
TAPI RIVER BASIN
Khlong Trom at Ban Trom , Surat Thani (X.259)
Lat 08 - 32 - 24 N Long 99 - 05 - 58 E
Locat on : on r g t an at Ban Trom.
818
sq.km.
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank downstream at the footpath
Elevation
Recording
Drainge Area
Amphoe
Chai Buri
Changwat
Surat Thani
Ban
Trom
Gage Reading Frequency
Zero Gage at Bottom
+62.353 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
2007 to date
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records fair. Stage-discharge relation defined by 21 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
53.47
55.14
53.63
53.63
55.35
53.81
54.01
54.76
55.51
53.75
53.51
53.41
2
53.47
54.74
53.69
53.52
56.25
54.30
53.83
54.40
55.50
53.74
53.50
53.39
3
53.46
54.70
53.66
53.65
56.58
54.84
53.80
54.16
55.24
53.73
53.49
53.39
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
53.45
54.87
53.60
53.90
56.35
54.95
54.16
54.09
54.82
53.73
53.49
53.39
5
53.45
54.84
53.55
54.28
55.96
55.00
54.49
54.15
54.47
53.72
53.49
53.39
6
53.44
54.75
53.50
54.25
55.59
54.99
54.28
54.06
54.21
53.72
53.49
53.39
7
53.42
54.54
53.49
53.91
55.20
54.85
54.53
53.97
54.59
53.72
53.48
53.39
8
53.42
54.44
53.49
53.88
54.79
54.72
55.01
53.92
54.40
53.71
53.48
53.39
9
53.41
54.18
53.49
53.88
54.52
54.81
55.27
54.03
54.19
53.71
53.48
53.39
10
53.40
53.99
53.50
53.80
54.48
54.58
55.29
54.18
54.16
53.70
53.47
53.39
11
53.41
53.90
53.66
53.80
54.52
54.18
54.90
54.91
54.24
53.69
53.47
53.38
12
53 48
53 85
54 88
53 80
54 87
54 49
54 52
56 17
54 29
53 69
53 47
53 38
.
.
.
.
.
.
.
.
.
.
.
.
13
53.46
53.77
56.03
53.80
55.71
54.63
54.61
56.41
54.27
53.68
53.46
53.38
14
53.45
53.72
56.45
53.81
56.07
54.52
54.86
55.81
54.22
53.68
53.46
53.38
15
53.48
53.71
57.01
54.03
55.00
54.25
54.58
55.31
54.20
53.67
53.46
53.38
16
53.47
53.69
57.74
54.00
54.26
53.86
54.30
54.99
54.21
53.66
53.45
53.38
17
53.51
53.67
57.96
54.00
54.01
53.80
54.30
54.80
54.22
53.65
53.45
53.38
18
53.55
53.65
57.67
53.98
53.95
53.79
54.26
54.44
54.11
53.65
53.45
53.38
19
53.54
53.65
56.89
53.80
53.94
53.77
54.23
54.24
54.08
53.65
53.45
53.38
20
53.55
53.66
56.08
53.69
53.90
54.67
54.62
54.11
54.05
53.64
53.45
53.38
21
53.54
53.68
55.37
53.71
53.85
55.99
55.60
54.49
54.02
53.64
53.44
53.37
22
53.58
53.92
54.65
54.04
53.81
55.93
55.79
55.36
54.00
53.63
53.44
53.37
23
53.50
54.14
54.12
54.33
53.81
54.97
55.43
56.73
53.97
53.61
53.44
53.37
24
53.50
54.28
53.87
54.30
53.73
54.18
55.99
58.50
53.93
53.59
53.43
53.37
25
53.69
54.15
53.82
54.23
53.71
53.93
56.30
58.67
53.92
53.58
53.43
53.37
26
54.31
53.99
53.77
54.00
53.76
53.88
55.54
58.17
53.90
53.56
53.42
53.36
27
54.73
53.88
53.76
53.88
53.73
53.88
55.04
57.29
53.88
53.55
53.42
53.36
28
54.40
53.75
53.75
53.80
53.87
53.86
54.95
56.50
53.85
53.54
53.42
53.36
29
54.13
53.67
53.73
53.80
54.23
53.84
55.05
56.01
53.84
53.53
53.36
30
53.72
53.63
53.72
53.80
54.29
53.90
55.39
55.75
53.84
53.53
53.36
31
53.63
53.80
54.06
55.00
53.83
53.53
53.36
----------
--------------
Mean
53.61
54.07
54.68
53.91
54.65
54.44
54.84
55.35
54.26
53.65
53.46
53.38
Max
54.73
55.14
57.96
54.33
56.58
55.99
56.30
58.67
55.51
53.75
53.51
53.41
58.67
Min
53.40
53.63
53.49
53.52
53.71
53.77
53.80
53.92
53.83
53.53
53.42
53.36
53.36
58.87
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 53.07
m. (MSL.)
62.07
m. (MSL.) ,
62.03
m. (MSL.) ,
Drainage Area 818 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 22.00 Hours , on Nov 24 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation