Basic HTML Version
450
Location : on left bank at Ban Mueang Nua railway bridge.
14,233 sq.km.
WATER YEAR : 2012
PASAK RIVER BASIN
Pasak River at Ban Pa , Saraburi (S.9)
Lat 14 - 37 - 39 N Long 101 - 01 - 02 E
Drainge Area
Amphoe
Kaeng Khoi
Changwat
Saraburi
Ban
Pa
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank under tamarind tree along the measuring line.
Elevation
Recording
Arithmetic mean of 24 readings
1973 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+23.099 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1973 to date
-
1973 to date
Fairly stable.
No overbank flow.
Records good. Flow regulated by Pasak Dam above gage site.
Stage-discharge relation defined by 56 discharge measurements made in 2012.
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
9.44
9.35
8.77
8.97
8.82
9.08
8.96
8.51
8.64
9.13
9.42
9.20
2
9.42
9.49
8.77
8.95
8.79
9.07
9.01
8.49
8.64
9.43
9.41
9.21
3
9.45
9.95
8.79
8.99
8.76
9.05
10.10
8.49
8.69
9.51
9.32
9.14
4
9.43
9.70
8.82
9.01
8.75
9.06
10.44
8.49
8.78
9.49
9.29
9.07
5
9.40
9.50
8.85
9.14
8.72
9.10
10.59
8.48
8.81
9.46
9.30
8.90
6
9.41
9.34
8.90
9.02
8.69
9.21
10.68
8.47
8.89
9.31
9.34
8.63
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
9.41
9.31
9.16
8.95
8.74
9.53
10.53
8.56
8.89
9.28
9.33
8.56
8
9.45
9.19
9.25
8.95
8.69
9.50
10.10
8.64
8.82
9.10
9.20
8.57
9
9.38
9.03
9.27
8.98
8.67
9.34
9.47
8.64
8.63
9.08
9.19
8.62
10
9.35
8.97
9.28
8.86
8.61
9.59
9.54
8.65
8.61
9.09
9.19
8.69
11
9.40
8.97
9.29
8.78
8.61
10.08
9.48
8.64
8.61
9.06
9.15
8.74
12
9.45
8.95
9.24
8.77
8.62
10.38
9.27
8.66
8.62
9.07
9.15
8.80
13
9.46
8.95
9.22
8.81
8.61
10.50
9.18
8.66
8.69
9.12
9.17
8.66
14
9.42
8.95
9.21
8.80
8.60
10.54
9.15
8.67
8.74
9.13
9.17
8.66
15
9.41
8.95
9.17
8.80
8.60
10.61
9.13
8.67
8.87
9.26
9.21
8.85
16
9.39
8.96
9.12
8.81
8.66
10.83
9.08
8.72
8.98
9.26
9.16
8.88
17
9.41
8.94
9.10
8.79
8.67
11.02
9.09
8.79
9.12
9.26
9.15
8.87
18
9.40
9.07
9.09
8.87
8.68
11.06
9.08
8.79
9.16
9.46
9.15
8.88
19
9.34
9.00
9.08
8.86
8.74
11.27
9.00
8.79
9.18
9.42
9.27
8.87
20
9.32
8.98
9.15
8.87
8.86
11.21
8.95
8.78
9.21
9.42
9.26
8.99
21
9.22
8.97
9.12
8.81
8.80
11.39
8.98
8.64
9.18
9.41
9.26
9.02
22
9.10
8.95
9.10
8.79
8.79
11.52
8.95
8.61
9.17
9.41
9.24
8.95
23
9.13
8.86
9.10
8.79
8.77
11.32
8.93
8.63
9.18
9.30
9.19
8.84
24
9.13
8.83
9.12
8.76
8.78
11.28
8.93
8.67
9.17
9.30
9.18
8.84
25
9.14
8.82
9.09
8.79
8.79
11.12
8.89
8.76
9.18
9.27
9.17
8.98
26
9.14
8.80
8.90
8.83
8.81
10.89
8.53
8.83
9.22
9.27
9.17
8.99
27
9.16
8.75
8.86
8.84
8.82
10.30
8.51
8.77
9.16
9.25
9.17
8.94
28
9.17
8.77
8.90
8.85
8.95
9.70
8.50
8.67
9.11
9.39
9.16
9.10
29
9.23
8.77
8.99
8.82
8.94
9.49
8.50
8.67
9.11
9.64
9.16
30
9.36
8.78
8.96
8.84
8.96
9.11
8.50
8.67
9.13
9.53
9.06
31
8.78
8.91
9.00
8.51
9.12
9.48
9.01
----------
--------------
Mean
9.33
9.05
9.06
8.87
8.75
10.21
9.24
8.65
8.95
9.31
9.23
8.89
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
9.46
9.95
9.29
9.14
9.00
11.52
10.68
8.83
9.22
9.64
9.42
9.21
11.52
Min
9.10
8.75
8.77
8.76
8.60
9.05
8.50
8.47
8.61
9.06
9.15
8.56
8.47
11.55
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 5.53
m. (MSL.)
23.10
m. (MSL.) ,
22.57
m. (MSL.) ,
Drainage Area 14233 Square Kilometers
at 06.00 Hours , on Sep 22 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation