Basic HTML Version
730
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WATER YEAR : 2013
SOUTHERN PENINSULA WEST COAST
Lower Trang River at Ban Pa Mak , Trang (X.234)
Lat 07 - 35 - 21 N Long 99 - 34 - 39 E
Locat on : on e t an at Ban Pa Ma .
2,808
sq.km.
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the top staff gage.
Elevation
Recording
Drainge Area
Amphoe
Mueang
Changwat
Trang
Ban
Pa Mak
Gage Reading Frequency
Zero Gage at Bottom
+6.388 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
2004 to date
2004 to date
-
2004 to date
Stable.
Overbank flow starts at elevation +6.660 m.(MSL.), records are channel flow only.
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 good. 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
0.82
1.10
0.85
0.77
0.76
0.48
1.46
3.13
5.79
1.24
1.09
1.57
2
0.67
1.11
0.67
0.64
2.49
0.76
1.39
2.57
5.56
1.26
1.18
1.64
3
0.59
0.91
0.47
1.19
3.87
1.29
1.26
2.17
5.34
1.26
1.18
1.66
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
0.41
0.68
0.60
2.80
4.39
1.66
1.32
1.97
5.15
1.29
1.13
1.63
5
0.16
0.89
0.63
3.60
4.35
1.71
1.51
1.79
4.99
1.36
1.19
1.55
6
0.20
0.82
0.62
3.87
3.91
1.65
1.74
1.63
4.88
1.28
1.14
1.45
7
0.30
0.87
0.59
3.86
3.43
1.53
2.26
1.54
4.83
1.09
1.39
1.34
8
0.44
1.05
0.62
3.50
3.14
1.60
2.74
1.73
4.79
0.94
1.25
1.23
9
0.61
0.96
0.73
2.75
3.08
1.44
3.07
2.05
4.71
0.80
1.18
1.06
10
0.61
0.94
0.91
2.29
2.87
1.31
2.98
2.09
4.62
0.70
1.23
0.94
11
0.78
0.95
0.95
2.01
2.38
1.41
2.59
2.07
4.50
0.68
1.33
0.97
12
0 69
1 10
1 24
1 60
2 05
2 39
2 34
2 56
4 28
0 70
1 42
1 08
.
.
.
.
.
.
.
.
.
.
.
.
13
0.78
1.20
1.19
1.49
2.03
3.08
2.69
3.09
3.81
0.75
1.48
1.17
14
0.63
1.24
1.65
1.47
2.26
3.31
3.11
2.93
3.21
0.82
1.54
1.25
15
0.87
1.24
2.33
1.43
2.26
3.21
3.18
2.26
2.70
0.92
1.59
1.33
16
0.86
1.11
2.87
1.47
1.91
2.63
2.77
1.74
2.40
1.03
1.62
1.40
17
0.84
0.95
3.25
1.36
1.38
1.84
2.21
1.63
2.70
1.04
1.64
1.44
18
0.72
0.89
3.34
1.27
1.21
1.50
2.15
1.87
3.17
0.96
1.64
1.46
19
0.66
0.88
3.01
1.30
1.14
1.39
2.65
1.78
3.33
0.90
1.62
1.50
20
0.52
0.71
2.29
1.31
1.09
1.38
2.91
1.68
3.12
0.84
1.58
1.51
21
0.33
0.66
1.61
1.27
1.26
1.43
3.28
2.50
2.52
0.77
1.51
1.51
22
0.31
0.67
1.38
1.28
1.30
1.56
3.88
3.75
2.04
0.70
1.39
1.43
23
0.45
0.76
1.31
1.28
1.32
1.39
4.27
5.08
1.78
0.64
1.27
1.29
24
0.68
0.92
1.27
1.49
1.28
1.38
4.50
6.82
1.61
0.55
1.16
1.17
25
0.85
1.11
1.30
1.69
1.28
1.16
4.56
7.15
1.49
0.49
1.18
1.10
26
0.89
1.22
1.29
1.86
1.04
0.98
4.43
7.23
1.37
0.46
1.26
1.12
27
1.06
1.21
1.25
1.66
0.90
0.79
4.08
7.10
1.27
0.46
1.36
1.21
28
1.16
1.17
1.08
1.36
0.83
0.64
3.84
6.84
1.21
0.53
1.49
1.32
29
1.11
1.12
1.02
1.13
0.69
0.59
3.74
6.37
1.18
0.62
1.42
30
1.07
1.04
0.92
0.98
0.54
1.02
3.69
6.00
1.19
0.70
1.51
31
1.02
0.89
0.51
3.62
1.22
0.75
1.60
----------
--------------
Mean
0.67
0.98
1.37
1.77
1.97
1.55
2.91
3.37
3.25
0.86
1.36
1.35
Max
1.16
1.24
3.34
3.87
4.39
3.31
4.56
7.23
5.79
1.36
1.64
1.66
7.23
Min
0.16
0.66
0.47
0.64
0.51
0.48
1.26
1.54
1.18
0.46
1.09
0.94
0.16
7.25
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed -2.16
m. (MSL.)
6.65
m. (MSL.) ,
6.68
m. (MSL.) ,
Drainage Area 2808 Square Kilometers
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at 07.00 Hours , on Nov 26 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation