Page 594 - yearbook2011

Basic HTML Version

560
Location : on left bank at Ban Si Bua Thong
779
sq.km.
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Yai at Ban Si Bua Thong , Trat (Z.10)
Lat 12 - 28 - 24 N Long 102 - 28 - 49 E
Amphoe
Khao Saming
Changwat
Trat
Ban
Si Bua Thong
Drainge Area
Water - stage recorder.
+1.900 m. (MSL.)
B.M.-H.D.
Near automatic gage building.
Elevation
Recording
Arithmetic means of 24 readings
1970 to date
+13.181 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
1973 - 1978 , 1999 to date
-
1973 - 1978 , 1999 to date
Fairly stable.
No overbank flow
Records good. Stage-discharge relation defined by 63 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
4.45
4.40
4.53
7.44
8.97
10.98
7.27
4.55
3.70
3.53
3.41
3.76
2
4.43
4.18
4.49
7.32
10.19
9.44
7.35
4.45
3.69
3.52
3.38
3.63
3
4.49
4.16
4.43
6.72
8.83
8.18
7.55
4.42
3.68
3.50
3.43
3.57
4
4.74
3.97
4.52
6.77
7.47
7.70
7.60
4.41
3.68
3.51
3.62
3.54
5
5.22
3.97
4.46
6.25
6.65
9.03
7.71
4.37
3.68
3.50
3.66
3.53
6
5.42
4.21
4.47
5.94
7.06
10.06
8.95
4.28
3.65
3.49
3.62
3.51
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
5.32
4.08
4.54
5.74
6.89
8.28
8.73
4.22
3.71
3.48
3.56
3.58
8
5.42
4.06
4.45
5.59
6.78
11.06
9.56
4.37
3.64
3.48
3.57
3.70
9
5.36
4.48
4.43
7.86
6.35
13.08
8.39
4.43
3.63
3.47
3.63
3.82
10
5.37
4.72
4.38
8.15
8.02
12.76
7.64
4.32
3.62
3.46
3.65
4.63
11
5.61
4.64
4.34
7.23
10.42
13.23
7.43
4.23
3.59
3.46
3.72
4.10
12
5.87
4.37
4.28
6.66
9.07
14.91
7.08
4.18
3.58
3.46
3.70
3.91
13
5.04
4.38
4.46
7.54
7.43
15.04
6.97
4.12
3.57
3.45
3.69
3.81
14
5.44
4.35
4.95
7.71
6.73
14.15
7.97
4.11
3.53
3.44
3.67
3.74
15
5.29
4.34
5.75
8.38
7.45
12.91
7.47
4.11
3.49
3.43
3.64
3.72
16
5.09
4.20
9.96
8.26
8.40
10.91
6.71
4.11
3.55
3.42
3.62
3.71
17
4.90
4.08
12.08
7.33
9.02
8.33
6.30
4.04
3.48
3.40
3.67
3.70
18
4.81
6.74
13.47
6.59
7.89
7.50
6.01
3.99
3.46
3.43
3.92
3.88
19
4.71
5.61
13.40
6.19
8.33
7.61
5.61
3.99
3.41
3.47
3.93
3.82
20
4.71
5.04
12.64
6.77
7.70
8.20
5.79
3.98
3.40
3.51
3.84
3.74
21
5.22
4.75
11.67
9.23
6.99
9.06
5.52
3.97
3.43
3.59
3.77
3.68
22
5.41
4.52
9.74
9.06
6.56
10.32
5.25
3.92
3.41
3.57
3.69
3.62
23
5.88
4.53
8.04
7.73
6.26
10.34
5.09
3.91
3.46
3.55
3.65
3.57
24
6.39
4.61
6.67
9.43
5.97
10.74
4.97
3.90
3.55
3.64
3.65
3.59
25
5.75
4.47
6.08
8.90
6.21
9.92
4.94
3.89
3.55
3.60
3.57
3.71
26
6.33
4.57
6.03
8.11
6.20
9.50
4.94
3.79
3.55
3.57
3.81
3.72
27
6.24
4.44
7.67
7.66
7.04
9.20
4.78
3.74
3.55
3.55
3.66
3.67
28
4.45
4.43
9.90
7.10
8.61
8.58
5.44
3.73
3.55
3.58
3.73
3.63
29
4.30
4.44
10.12
7.86
10.29
8.31
4.92
3.72
3.50
3.61
3.63
3.63
30
4.46
4.87
8.54
8.30
12.17
8.02
4.63
3.71
3.49
3.55
3.60
31
4.70
7.79
11.49
4.59
3.49
3.55
3.44
----------
--------------
Mean
5.20
4.53
7.15
7.47
7.98
10.24
6.55
4.10
3.56
3.51
3.66
3.72
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
6.39
6.74
13.47
9.43
12.17
15.04
9.56
4.55
3.71
3.64
3.93
4.63
15.04
Min
4.30
3.97
4.28
5.59
5.97
7.50
4.59
3.71
3.40
3.40
3.38
3.44
3.38
15.31
m. (MSL.) ,
1.90
m. (MSL.) ,
River Bed 2.10
m. (MSL)
15.93
m. (MSL.) ,
15.93
m. (MSL.) ,
Drainage Area 779
Square Kilometers
at 01.00 Hours, on Sep 13, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation