Basic HTML Version
584
Location : on left bank at Ban Khlong Khwang, Tambon Tha Kum.
27
sq.km.
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Chanthi at Ban Khlong Khwang , Trat (Z.47A)
Lat 12 - 20 - 00 N Long 102 - 38 - 37 E
Drainge Area
Amphoe
Mueang
Changwat
Trat
Ban
Khlong Khwang
Staff gage
+18.000 m. (MSL.)
B.M.-H.D.
On left bank about 20 meters from 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
2011 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+23.608 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2011 to date
-
2011 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 24 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
18.00
18.54
18.48
18.77
19.79
19.24
18.97
18.68
18.57
18.55
18.55
18.55
2
18.00
18.51
18.51
18.76
19.83
19.56
19.53
18.64
18.57
18.55
18.55
18.55
3
18.00
18.52
18.52
18.76
19.19
19.15
20.18
18.64
18.57
18.55
18.55
18.55
4
18.00
18.60
18.64
18.76
19.04
19.06
19.35
18.63
18.57
18.55
18.55
18.55
5
18.00
18.60
18.61
18.76
18.98
19.26
19.26
18.63
18.57
18.55
18.55
18.55
6
18.00
18.64
18.61
18.76
19.28
19.30
19.13
18.63
18.57
18.55
18.55
18.55
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
18.00
18.62
18.66
18.76
19.06
19.05
18.91
18.62
18.57
18.55
18.55
18.55
8
18.00
18.70
18.61
18.76
18.98
21.10
18.90
18.65
18.57
18.55
18.55
18.55
9
18.00
18.82
18.64
18.76
18.95
20.09
18.91
18.65
18.57
18.55
18.55
18.55
10
18.00
18.80
18.66
18.82
19.49
21.09
19.08
18.63
18.57
18.55
18.55
18.55
11
18.00
18.80
18.60
18.78
19.46
21.58
18.94
18.60
18.56
18.56
18.55
18.55
12
18.00
18.70
18.62
18.88
19.56
20.64
18.92
18.63
18.56
18.56
18.55
18.55
13
18.00
18.60
18.60
18.85
19.12
20.33
18.93
18.63
18.56
18.56
18.55
18.55
14
18.00
18.70
18.67
18.87
19.03
19.42
19.14
18.60
18.56
18.56
18.55
18.55
15
18.00
18.60
19.00
18.84
18.97
19.25
19.50
18.60
18.56
18.56
18.55
18.55
16
18.00
18.63
20.75
18.84
19.06
19.10
19.04
18.60
18.56
18.56
18.55
18.55
17
18.00
18.60
21.49
18.97
19.00
19.03
18.94
18.60
18.56
18.56
18.55
18.55
18
18.00
18.85
21.53
18.85
18.97
19.02
18.94
18.60
18.56
18.56
18.55
18.55
19
18.00
18.65
19.69
18.84
19.19
19.05
18.90
18.60
18.56
18.56
18.55
18.55
20
18.00
18.65
20.06
18.90
18.99
19.26
18.90
18.60
18.56
18.56
18.55
18.55
21
18.00
18.60
19.22
19.55
18.96
20.11
18.88
18.59
18.55
18.57
18.55
18.55
22
18.00
18.60
19.10
19.23
18.95
19.63
19.23
18.59
18.55
18.57
18.55
18.55
23
18.00
18.67
18.92
19.33
18.94
19.89
18.98
18.59
18.55
18.57
18.55
18.55
24
18.00
18.68
18.80
19.21
18.94
19.48
18.89
18.59
18.55
18.57
18.55
18.55
25
18.00
18.65
18.70
19.26
18.94
19.56
18.88
18.59
18.55
18.57
18.55
18.55
26
18.00
18.60
18.60
19.00
18.94
19.20
18.87
18.58
18.55
18.57
18.55
18.55
27
18.00
18.64
18.60
19.27
19.01
19.66
18.87
18.58
18.55
18.57
18.55
18.55
28
18.00
18.70
18.70
19.17
19.04
19.72
18.89
18.58
18.55
18.57
18.55
18.55
29
18.00
18.65
18.70
19.81
19.43
19.20
18.81
18.57
18.55
18.57
18.55
18.54
30
18.00
18.65
18.76
19.60
19.41
19.08
18.73
18.57
18.55
18.57
18.54
31
18.60
19.37
19.07
18.73
18.55
18.56
18.54
----------
--------------
Mean
18.00
18.65
19.04
19.00
19.15
19.64
19.04
18.61
18.56
18.56
18.55
18.55
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Max
18.00
18.85
21.53
19.81
19.83
21.58
20.18
18.68
18.57
18.57
18.55
18.55
21.58
Min
18.00
18.51
18.48
18.76
18.94
19.02
18.73
18.57
18.55
18.55
18.55
18.54
18.00
22.56
m. (MSL.) ,
18.00
m. (MSL.) ,
River Bed 18.60
m. (MSL)
23.67
m. (MSL.) ,
23.62
m. (MSL.) ,
Drainage Area
27
Square Kilometers
at 03.00 Hours, on Sep 10, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation