Basic HTML Version
576
Location : on left bank at Ban Thapma.
150
sq.km.
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Thapma at Ban Thapma , Rayong (Z.38)
Lat 12 - 44 - 09 N Long 101 - 13 - 54 E
Amphoe
Mueang
Changwat
Rayong
Ban
Thapma
Drainge Area
Water - stage recorder.
+8.100 m. (MSL.)
B.M.-H.D.
On left bank next tall pole for eletric cable near dwelling.
Elevation
Recording
Arithmetic means of 24 readings
2008 to date
+12.749 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
2008 to date
-
2008 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 11 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
8.64
8.77
8.85
8.88
8.83
8.95
8.89
8.89
8.78
8.78
8.75
8.78
2
8.64
8.78
8.85
8.87
8.91
8.91
8.88
8.87
8.77
8.77
8.74
8.77
3
8.77
8.78
8.88
8.87
8.81
8.88
8.87
8.86
8.75
8.76
8.73
8.76
4
8.77
8.78
8.92
8.87
8.76
8.85
8.90
8.85
8.74
8.75
8.72
8.75
5
8.76
8.77
8.84
8.87
8.74
8.84
8.91
8.84
8.73
8.74
8.71
8.74
6
8.75
8.78
9.08
8.86
8.73
8.81
9.26
8.84
8.72
8.73
8.70
8.73
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
8.74
8.78
9.11
8.86
8.78
8.80
8.90
8.83
8.71
8.72
8.69
8.72
8
8.73
8.77
9.20
8.85
8.77
8.74
8.90
8.86
8.76
8.71
8.68
8.71
9
8.72
8.77
8.96
8.85
8.76
8.77
8.91
8.85
8.76
8.70
8.67
8.70
10
8.71
8.77
8.90
8.84
8.80
8.82
8.93
8.84
8.75
8.76
8.66
8.69
11
8.70
8.76
8.89
8.84
8.85
9.37
9.07
8.83
8.74
8.75
8.65
8.68
12
8.69
8.76
8.88
8.84
8.84
9.53
9.07
8.82
8.73
8.74
8.64
8.67
13
8.68
8.90
8.97
8.84
8.82
9.11
9.11
8.81
8.69
8.73
8.64
8.65
14
8.67
9.05
9.01
8.82
8.82
9.05
9.00
8.80
8.74
8.72
8.75
8.64
15
8.66
8.88
8.88
8.80
8.85
8.96
8.97
8.79
8.73
8.71
8.77
8.63
16
8.64
8.83
8.91
8.78
8.88
8.94
9.05
8.78
8.72
8.70
8.76
8.63
17
8.63
8.80
8.91
8.79
9.13
8.92
9.06
8.80
8.75
8.69
8.75
8.78
18
8.62
8.82
8.91
8.78
8.96
8.90
8.88
8.79
8.74
8.68
8.74
8.78
19
8.61
8.81
8.91
8.78
8.79
8.88
8.90
8.77
8.73
8.67
8.73
8.77
20
8.62
8.80
8.91
8.77
8.82
8.88
8.92
8.76
8.72
8.66
8.72
8.76
21
8.72
8.79
8.91
8.77
8.80
8.86
8.94
8.75
8.73
8.65
8.71
8.75
22
8.77
8.79
8.91
8.81
8.78
8.86
8.95
8.74
8.72
8.64
8.71
8.74
23
8.76
8.79
8.91
8.75
8.75
8.90
8.92
8.73
8.71
8.64
8.69
8.73
24
8.75
8.79
8.91
8.75
8.77
8.94
8.90
8.73
8.70
8.74
8.68
8.72
25
8.74
8.87
8.90
8.76
8.82
8.91
8.93
8.72
8.74
8.74
8.66
8.71
26
8.73
8.83
8.90
8.85
9.00
8.90
8.95
8.75
8.74
8.73
8.65
8.70
27
8.72
8.84
8.90
8.85
8.98
8.96
8.91
8.74
8.73
8.72
8.65
8.69
28
8.70
8.82
8.89
8.86
10.19
8.90
8.90
8.73
8.72
8.71
8.64
8.68
29
8.71
8.81
8.89
8.80
9.13
8.88
8.89
8.77
8.71
8.70
8.63
8.67
30
8.69
8.80
8.88
8.79
9.04
8.89
8.89
8.79
8.70
8.77
8.66
31
8.84
8.78
8.95
8.92
8.75
8.76
8.65
----------
--------------
Mean
8.70
8.81
8.93
8.82
8.90
8.93
8.95
8.80
8.73
8.72
8.70
8.71
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
8.77
9.05
9.20
8.88
10.19
9.53
9.26
8.89
8.78
8.78
8.77
8.78
10.19
Min
8.61
8.76
8.84
8.75
8.73
8.74
8.87
8.72
8.69
8.64
8.63
8.63
8.61
10.65
m. (MSL.) ,
8.10
m. (MSL.) ,
River Bed 7.76
m. (MSL.)
12.75
m. (MSL.) ,
12.74
m. (MSL.) ,
Drainage Area 150 Square Kilometers
at 09.00 Hours, on Aug 28, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation