Basic HTML Version
456
Location : on left bank at Ban Nong Bua.
8,778
sq.km.
Drainge Area
WATER YEAR : 2012
PASAK RIVER BASIN
Pasak River at Ban Nong Bua , Lop Buri (S.28)
Lat 14 - 50 - 21 N Long 101 - 04 - 08 E
Amphoe
Phatthana Nikhom
Changwat
Lop Buri
Ban
Nong Bua
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the automatic gage buiding
Elevation
Recording
Arithmetic mean 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.
No overbank flow.
Records good. Flow effected by Pasak Cholasit Dam.
Stage-discharge relation defined by 58 discharge measurements made in 2012.
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
18.52
18.22
17.08
17.58
17.10
17.25
16.98
16.70
17.18
18.23
18.32
17.98
2
18.51
18.64
17.06
17.57
17.09
17.26
17.72
16.70
17.18
18.51
18.27
18.00
3
18.50
19.30
17.07
17.56
17.12
17.28
19.18
16.70
17.26
18.48
18.14
17.95
4
18.49
18.44
17.08
17.52
17.15
17.31
19.57
16.70
17.34
18.47
18.14
17.76
5
18.49
17.94
17.08
17.52
17.17
17.33
20.16
16.70
17.34
18.29
18.13
17.39
6
18.49
17.93
17.43
17.45
17.17
17.35
19.87
16.79
17.34
18.16
18.12
17.16
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
18.49
17.83
17.79
17.36
17.26
17.41
19.12
16.95
17.34
18.01
18.07
17.15
8
18.49
17.47
17.84
17.35
17.29
17.42
17.87
16.96
17.25
17.92
18.01
17.19
9
18.44
17.37
17.84
17.21
17.18
17.62
17.06
16.95
17.18
17.90
18.00
17.30
10
18.32
17.36
17.88
17.13
17.11
18.37
17.02
16.96
17.18
17.86
17.99
17.30
11
18.37
17.34
17.84
17.12
17.11
19.09
16.99
16.96
17.18
17.84
17.99
17.30
12
18.60
17.35
17.82
17.10
17.10
19.57
16.99
16.95
17.25
17.83
17.98
17.29
13
18.57
17.35
17.81
17.12
17.09
19.82
16.99
16.94
17.32
17.83
17.98
17.29
14
18.54
17.35
17.80
17.12
17.10
19.87
16.99
16.94
17.37
18.03
17.97
17.42
15
18.51
17.35
17.80
17.13
17.11
20.09
16.98
17.02
17.49
18.18
17.97
17.58
16
18.50
17.34
17.78
17.15
17.13
20.49
16.98
17.19
17.60
18.17
17.97
17.58
17
18.46
17.34
17.77
17.22
17.13
20.54
16.94
17.19
17.95
18.31
17.96
17.58
18
18.42
17.34
17.73
17.23
17.07
20.60
16.82
17.19
17.97
18.49
17.98
17.57
19
18.42
17.34
17.75
17.23
17.08
20.62
16.72
17.19
17.97
18.41
18.11
17.60
20
18.40
17.34
17.80
17.22
17.10
20.68
16.78
17.19
17.97
18.43
18.11
17.61
21
17.86
17.34
17.79
17.22
17.10
20.81
16.73
17.19
17.98
18.43
18.09
17.56
22
18.16
17.33
17.79
17.22
17.11
20.83
16.71
17.19
17.98
18.34
18.07
17.38
23
18.15
17.15
17.78
17.19
17.12
20.81
16.71
17.18
17.98
18.14
18.07
17.31
24
18.16
17.14
17.77
17.15
17.12
20.87
16.71
17.19
17.97
18.13
18.06
17.45
25
18.14
17.10
17.53
17.18
17.12
20.47
16.71
17.19
18.01
18.13
18.02
17.58
26
18.14
17.04
17.33
17.26
17.14
20.02
16.71
17.19
18.04
18.13
18.00
17.57
27
18.12
17.04
17.37
17.29
17.16
18.45
16.71
17.18
17.97
18.14
17.99
17.73
28
18.18
17.05
17.57
17.28
17.17
18.05
16.70
17.18
17.94
18.33
17.99
17.86
29
18.45
17.07
17.65
17.27
17.19
17.29
16.70
17.18
17.99
18.42
17.70
30
18.50
17.06
17.62
17.24
17.22
16.98
16.70
17.18
17.94
18.36
17.58
31
17.06
17.26
17.24
16.70
17.94
18.32
17.58
----------
--------------
Mean
18.38
17.49
17.61
17.27
17.14
19.02
17.34
17.02
17.63
18.20
18.05
17.53
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Max
18.60
19.30
17.88
17.58
17.29
20.87
20.16
17.19
18.04
18.51
18.32
18.00
20.87
Min
17.86
17.04
17.06
17.10
17.07
16.98
16.70
16.70
17.18
17.83
17.96
17.15
16.70
20.93
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 04.00 Hours , on Sep 24 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation