Basic HTML Version
580
Location : on right bank near the highway bridge, Tambon Nong Bon.
58
sq.km.
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Aeng at Ban Nong Bon , Trat (Z.45)
Lat 12 - 36 - 58 N Long 102 - 28 - 42 E
Amphoe
Bo Rai
Changwat
Trat
Ban
Nong Bon
Drainge Area
Water - stage recorder
+30.000 m. (MSL.)
B.M.-H.D.
On right bank about 15 meters from the top staff gage.
Elevation
Recording
Arithmetic means of 24 readings
1999 to date
+36.550 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1999 to date
-
1999 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 30 discharge measurements made in 2011.
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
30.78
31.04
31.02
31.83
32.30
31.94
31.39
31.23
31.18
30.86
30.84
30.87
2
30.79
31.01
31.03
31.70
32.15
31.92
31.46
31.22
31.16
30.86
30.83
30.85
3
30.82
30.98
31.08
31.64
31.89
31.85
31.73
31.21
31.14
30.85
30.85
30.83
4
30.84
30.98
31.13
31.58
31.78
32.25
31.68
31.20
31.08
30.86
30.86
30.82
5
30.78
31.03
31.05
31.49
31.69
32.16
31.54
31.18
31.10
30.85
30.83
30.85
6
30.71
31.00
31.04
31.44
31.72
32.30
31.75
31.17
31.11
30.85
30.83
30.81
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
30.78
31.00
31.14
31.41
31.82
32.12
31.59
31.17
31.12
30.84
30.82
30.86
8
30.84
31.09
31.11
31.38
31.74
32.40
31.59
31.26
31.13
30.84
30.82
30.93
9
30.84
31.21
31.12
31.48
31.65
31.95
31.49
31.18
31.07
30.83
30.82
30.88
10
30.82
31.30
31.14
31.42
31.83
32.36
31.44
31.15
31.10
30.83
30.85
30.98
11
30.84
31.18
31.10
31.37
31.71
33.34
31.55
31.14
31.11
30.83
30.83
30.88
12
30.83
31.13
31.10
31.52
31.61
32.59
31.62
31.13
31.13
30.82
30.82
30.83
13
30.71
31.13
31.35
31.72
31.69
32.70
31.62
31.12
31.08
30.82
30.81
30.86
14
30.71
31.10
31.49
31.79
31.76
32.31
31.65
31.11
31.07
30.81
30.81
30.83
15
30.77
31.06
31.43
31.91
31.70
32.07
31.57
31.10
31.07
30.81
30.80
30.85
16
30.72
31.04
31.88
31.75
31.77
31.90
31.55
31.09
31.08
30.81
30.81
30.87
17
30.63
31.03
32.59
31.66
31.69
31.82
31.52
31.08
31.08
30.83
30.82
30.85
18
30.70
31.55
32.65
31.55
31.97
31.75
31.46
31.07
31.04
30.87
30.93
30.82
19
30.66
30.82
32.43
31.50
32.29
32.06
31.42
31.11
31.05
30.84
30.87
30.76
20
30.72
30.88
31.89
31.57
31.76
31.87
31.54
31.07
31.08
30.97
30.83
30.75
21
30.69
30.84
31.79
31.83
31.69
31.83
31.40
31.08
31.06
30.93
30.82
30.82
22
30.90
30.81
31.62
31.79
31.63
32.33
31.37
31.12
31.04
30.93
30.81
30.82
23
30.98
30.97
31.62
31.81
31.54
32.51
31.35
31.13
30.89
30.91
30.83
30.83
24
30.94
31.56
31.52
31.95
31.65
32.41
31.33
31.09
30.76
31.03
30.88
30.83
25
30.91
31.57
31.40
31.76
31.55
31.68
31.34
31.08
30.87
30.90
30.89
30.84
26
31.07
31.54
31.50
31.71
31.74
31.51
31.31
31.10
30.85
30.90
30.95
30.76
27
31.12
31.45
33.28
31.81
31.85
31.81
31.29
31.08
30.76
30.88
30.87
30.75
28
31.04
31.09
32.90
31.70
31.89
31.79
31.34
31.10
30.76
30.86
30.88
30.83
29
31.23
31.09
32.52
31.86
32.57
31.48
31.28
31.17
30.80
30.85
30.85
30.82
30
31.19
31.09
31.97
31.81
32.19
31.58
31.26
31.01
30.85
30.85
30.83
31
31.04
31.76
31.93
31.25
30.88
30.85
30.84
----------
--------------
Mean
30.85
31.12
31.63
31.66
31.83
32.09
31.47
31.13
31.02
30.86
30.84
30.84
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Max
31.23
31.57
33.28
31.95
32.57
33.34
31.75
31.26
31.18
31.03
30.95
30.98
33.34
Min
30.63
30.81
31.02
31.37
31.54
31.48
31.25
31.01
30.76
30.81
30.80
30.75
30.63
34.49
m. (MSL.) ,
30.00
m. (MSL.) ,
River Bed 30.01
m. (MSL)
35.30
m. (MSL.) ,
35.32
m. (MSL.) ,
Drainage Area
58
Square Kilometers
at 06.00 Hours, on Jun 27, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation