Basic HTML Version
470
Location : on left bank at Ban Kaeng Sua Taen.
8,778
sq.km.
Drainge Area
WATER YEAR : 2011
PASAK RIVER BASIN
Pasak River at Ban Kaeng Sua Taen , Lop Buri (S.28)
Lat 14 - 50 - 21 N Long 101 - 04 - 08 E
Amphoe
Phatthana Nikhom
Changwat
Lop Buri
Ban
Kaeng Sua Taen
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the automatic gage buiding
Elevation
Recording
Arithmetic means of 24 readings
1986 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+32.571 m. (MSL.)
Bench Mark
Type of Gage
1998 to date
-
1998 to date
Fairly stable.
Overbank flow starts at elevation +28.720 m.(MSL.), records are channel flow only.
Records good. Flow effected by Pasak Cholasit Dam.
Stage-discharge relation defined by 66 discharge measurements made in 2011.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
17.47
17.49
16.60
17.48
24.78
26.07
30.78
18.51
18.04
19.36
18.32
18.73
2
17.47
17.38
17.37
18.25
24.74
25.39
30.73
18.47
18.05
19.34
18.55
18.64
3
17.47
17.13
17.38
19.08
24.12
24.68
30.82
18.28
18.05
19.32
18.98
18.59
4
17.25
17.14
17.39
20.00
23.07
24.58
31.02
18.14
18.05
19.31
18.99
18.59
5
17.15
17.14
17.39
20.05
20.29
24.46
31.08
18.12
18.04
18.89
18.86
18.57
6
17.15
17.14
17.82
20.15
19.17
23.54
31.17
18.11
17.68
18.47
18.71
18.57
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
17.15
17.13
19.52
20.26
18.91
22.63
30.89
18.10
17.29
18.41
18.70
18.56
8
17.14
17.12
20.67
20.63
18.59
21.76
30.39
18.15
17.35
18.65
18.79
18.55
9
17.14
17.12
21.05
20.94
18.40
21.78
29.82
18.18
17.47
18.68
18.96
18.55
10
17.14
17.15
21.27
21.06
18.42
23.68
29.32
18.18
17.63
18.88
18.96
18.55
11
17.15
17.19
21.63
21.10
18.75
25.18
28.55
18.08
17.78
18.89
18.96
18.55
12
17.54
17.36
21.65
20.95
19.10
24.31
27.27
17.98
17.77
18.92
18.95
18.54
13
17.82
17.37
21.65
20.68
19.75
23.50
26.31
17.97
18.01
18.99
18.94
18.54
14
17.93
17.39
21.62
20.15
20.05
22.50
25.53
17.97
18.57
19.03
18.93
18.53
15
17.95
17.40
21.96
19.77
20.76
22.16
25.20
17.96
18.99
19.08
18.92
18.53
16
17.94
17.37
22.50
19.44
21.37
21.20
25.24
17.96
19.08
19.12
18.92
18.52
17
17.94
17.39
22.48
19.40
21.82
22.74
24.88
17.96
19.07
19.13
18.91
18.51
18
17.87
17.32
22.18
19.42
22.16
24.20
25.10
18.02
18.56
19.06
18.90
18.50
19
17.69
17.05
20.77
19.45
22.37
25.86
25.55
18.07
18.52
18.89
18.89
18.49
20
17.69
17.19
20.35
19.85
22.49
26.58
25.57
18.07
18.38
18.89
18.87
18.49
21
17.60
17.34
19.30
20.69
22.66
26.93
25.58
18.07
18.37
18.89
18.87
18.49
22
17.49
17.34
18.91
21.38
22.68
27.56
25.72
18.07
18.36
18.89
18.86
18.49
23
17.52
17.36
18.76
22.32
22.70
28.32
25.73
18.07
18.35
18.89
18.85
18.49
24
17.52
17.38
18.63
22.32
22.73
29.06
25.09
18.06
18.35
18.87
18.78
18.49
25
17.50
17.37
18.60
22.70
22.79
29.97
23.22
18.06
18.43
18.88
18.51
18.55
26
17.47
17.37
18.66
23.21
22.97
30.31
20.62
18.06
18.84
18.68
18.51
18.65
27
17.47
17.38
18.53
23.60
23.35
30.72
20.04
18.05
18.83
18.55
18.59
18.64
28
17.47
17.37
18.25
23.97
23.64
30.82
19.99
18.06
19.13
18.53
18.76
18.63
29
17.48
17.38
18.13
24.15
23.68
30.83
19.96
18.05
19.39
18.33
18.75
18.62
30
17.48
16.99
18.00
24.44
23.99
30.79
19.92
18.05
19.39
18.11
18.61
31
16.62
24.68
25.19
19.52
19.39
18.11
18.55
----------
--------------
Mean
17.50
17.25
19.63
21.02
21.79
25.74
26.15
18.10
18.36
18.84
18.81
18.56
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Max
17.95
17.49
22.50
24.68
25.19
30.83
31.17
18.51
19.39
19.36
18.99
18.73
31.17
Min
17.14
16.62
16.60
17.48
18.40
21.20
19.52
17.96
17.29
18.11
18.32
18.49
16.60
31.21
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 15.52
m. (MSL)
28.71
m. (MSL.) ,
31.78
m. (MSL.) ,
Drainage Area 8778 Square Kilometers
at 12.00 Hours , on Oct 6 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation