Basic HTML Version
568
Location : on right bank at the bridge on road.
201
sq.km.
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Phlo at Ban Chamkho , Rayong (Z.18)
Lat 12 - 57 - 18 N Long 101 - 40 - 32 E
Drainge Area
Amphoe
Klaeng
Changwat
Rayong
Ban
Chamkho
Staff gage
+28.146 m. (MSL.)
B.M.-H.D.
On right bank near the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
1982 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+35.314 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1983 to date
-
1983 to date
Fairly stable.
Overbank flow starts at elevation +33.290 m.(MSL.), records are including overbank flow.
Records good. Flow regulated by the concrete weir about 1.5 kilometers downstream from the gage site.
Stage-discharge relation defined by 37 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
31.00
30.57
29.52
29.42
29.67
30.12
30.77
29.16
29.40
31.34
31.00
30.92
2
30.99
30.49
29.64
30.03
30.52
30.13
30.72
29.13
29.39
31.34
31.00
30.92
3
30.99
30.46
29.47
31.58
29.98
30.30
30.41
29.11
29.38
31.33
31.01
30.92
4
30.98
30.33
29.42
30.70
29.89
31.05
30.87
29.09
29.37
31.36
31.00
30.91
5
30.98
30.10
29.40
30.19
29.68
30.51
30.50
29.07
29.36
31.33
29.00
30.91
6
30.98
30.04
29.40
29.95
29.60
30.60
30.86
29.05
29.35
31.25
30.99
30.91
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
30.98
30.01
29.39
29.75
29.76
30.16
31.11
29.04
29.34
31.07
31.01
30.91
8
31.27
30.31
29.43
29.63
29.96
30.07
32.13
29.05
30.08
31.05
31.00
30.94
9
30.74
30.29
29.52
29.57
29.78
30.03
31.36
29.06
30.48
31.03
31.00
30.94
10
30.67
30.25
29.67
29.54
29.87
30.84
31.06
29.05
30.74
31.01
31.01
30.95
11
30.67
30.09
29.73
29.49
30.58
34.07
30.88
29.04
31.00
31.00
31.01
30.95
12
30.54
29.56
29.64
29.46
30.35
35.17
31.92
29.02
31.08
30.99
31.00
30.95
13
30.59
29.35
29.53
29.50
30.29
32.06
31.54
29.01
31.39
30.99
31.01
30.94
14
30.58
29.38
29.51
29.47
30.74
31.24
30.52
29.01
31.35
30.98
31.05
30.94
15
30.64
29.42
29.53
29.79
31.09
30.74
30.78
28.99
31.36
30.98
30.99
30.95
16
30.64
29.66
29.58
29.75
31.42
30.62
30.49
28.99
31.36
30.96
30.97
30.95
17
30.62
29.55
30.00
29.79
33.30
30.48
32.27
28.95
31.36
30.95
30.95
30.94
18
30.56
29.43
30.32
29.75
31.35
30.32
30.85
28.97
31.36
30.95
31.04
30.94
19
30.55
29.39
29.84
29.51
30.55
30.26
30.44
28.96
31.35
31.01
31.01
31.05
20
30.55
29.39
29.75
29.54
30.29
30.82
30.33
28.95
31.35
31.02
30.99
31.05
21
30.52
29.33
29.65
29.71
30.28
31.85
30.18
28.94
31.35
31.02
30.97
31.14
22
30.51
29.29
29.69
30.01
30.37
31.35
30.11
28.94
31.34
31.02
30.96
31.11
23
30.51
29.25
31.09
30.16
29.96
31.36
30.02
28.94
31.34
31.03
30.95
30.53
24
31.13
29.28
30.81
30.37
29.87
32.07
29.94
28.94
31.34
31.02
30.95
30.53
25
31.07
29.55
30.67
30.20
29.80
32.02
29.90
28.93
31.34
31.01
30.94
30.50
26
30.86
29.79
29.81
30.44
30.97
31.02
29.89
28.93
31.34
31.01
30.94
30.49
27
30.72
29.58
29.91
30.60
30.38
32.04
30.02
28.92
31.34
31.20
30.93
30.49
28
30.63
29.34
29.91
29.86
30.58
31.44
29.87
28.93
31.33
31.04
30.93
30.48
29
30.43
29.32
29.89
29.77
31.55
30.66
29.82
28.92
31.32
31.02
30.93
30.47
30
30.39
29.29
29.97
29.68
30.57
30.49
29.78
28.84
31.31
31.02
30.46
31
29.27
29.65
30.18
29.75
31.30
31.01
30.46
----------
--------------
Mean
30.74
29.72
29.79
29.90
30.43
31.13
30.62
29.00
30.79
31.08
30.92
30.82
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
31.27
30.57
31.09
31.58
33.30
35.17
32.27
29.16
31.39
31.36
31.05
31.14
35.17
Min
30.39
29.25
29.39
29.42
29.60
30.03
29.75
28.84
29.34
30.95
29.00
30.46
28.84
35.34
m. (MSL.) ,
28.15
m. (MSL.) ,
River Bed 27.78
m. (MSL)
34.37
m. (MSL.) ,
33.28
m. (MSL.) ,
Drainage Area 201
Square Kilometers
at 12.00 Hours, on Sep 12, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation