Basic HTML Version
480
i
l f b k
WATER YEAR : 2013
PASAK RIVER BASIN
Pasak River at Ban Nong Bua , Lop Buri (S.28)
Lat 14 - 50 - 21 N Long 101 - 04 - 08 E
Locat on : on e t an at Ban Nong Bua.
8,778
sq.km.
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the automatic gage buiding
Elevation
Recording
+32.571 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Phatthana Nikhom
Changwat
Lop Buri
Ban
Nong Bua
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings
1986 to date
1998 to date
-
1998 to date
Fairly stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Flow effected by Pasak Cholasit Dam.
Stage-discharge relation defined by 61 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
17.66
17.14
17.41
16.69
16.68
17.01
24.98
18.94
17.55
18.45
18.64
18.44
2
17.86
17.13
17.38
16.69
16.72
17.02
25.67
18.20
17.91
18.44
18.28
18.23
3
17.84
17.26
17.39
16.69
16.68
17.02
26.89
18.22
18.16
18.43
17.94
18.20
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
17.86
17.59
17.28
16.68
16.68
17.02
28.13
18.10
18.20
18.61
17.94
18.19
5
17.88
17.62
17.22
16.68
16.71
17.00
28.50
17.60
18.19
18.89
17.99
18.21
6
17.89
17.59
17.31
16.68
16.99
16.98
28.45
17.32
18.18
18.90
18.25
18.20
7
17.90
17.59
17.33
16.68
17.09
16.99
28.37
17.26
18.32
18.89
18.25
18.20
8
17.89
17.58
17.26
16.68
17.13
16.99
28.33
17.22
18.61
18.61
18.27
18.21
9
17.88
17.58
17.22
16.69
17.03
17.00
28.28
17.13
18.62
18.42
18.44
18.18
10
17.89
17.56
17.26
16.69
16.96
17.00
28.23
17.12
18.62
18.48
18.44
18.17
11
17.89
17.56
17.22
16.69
16.97
16.99
28.18
17.12
18.39
18.65
18.36
18.19
12
18 00
17 57
17 01
16 68
16 98
16 90
28 09
17 11
18 11
18 64
18 20
18 18
.
.
.
.
.
.
.
.
.
.
.
.
13
18.10
17.58
16.80
16.68
16.98
16.91
28.07
17.07
18.12
18.64
18.21
18.16
14
18.06
17.58
16.80
16.68
16.99
16.94
28.14
17.10
18.25
18.65
18.37
18.14
15
17.69
17.61
16.81
16.68
17.00
16.94
27.98
17.08
18.72
18.64
18.52
18.15
16
17.43
17.85
16.81
16.68
16.96
16.98
27.30
17.08
18.69
18.62
18.62
18.23
17
17.43
18.17
16.80
16.68
16.98
16.94
25.52
17.07
18.72
18.62
18.62
18.41
18
17.47
18.29
16.79
16.68
16.99
16.90
22.96
16.97
18.75
18.64
18.58
18.43
19
17.48
18.22
16.81
16.67
17.00
17.00
23.83
16.92
18.37
18.63
18.49
18.43
20
17.60
18.27
16.75
16.67
17.07
19.29
23.28
16.92
18.16
18.63
18.47
18.25
21
17.60
18.26
16.68
16.67
17.24
20.96
22.49
16.92
18.43
18.70
18.45
18.17
22
17.59
18.28
16.67
16.68
17.11
18.83
22.33
16.91
18.86
18.71
18.44
18.15
23
17.53
18.30
16.67
16.67
16.98
18.03
22.12
16.91
18.64
18.71
18.44
18.09
24
17.45
18.23
16.67
16.68
16.98
17.83
21.22
16.91
18.40
18.71
18.49
17.94
25
17.44
18.30
16.69
16.68
16.98
18.41
20.66
16.93
18.59
18.70
18.57
17.94
26
17.44
18.18
16.69
16.68
16.98
19.67
19.78
16.92
18.86
18.70
18.56
17.93
27
17.43
17.82
16.69
16.68
16.98
20.33
18.74
16.91
18.87
18.69
18.57
17.92
28
17.29
17.59
16.69
16.68
16.99
21.76
18.76
16.91
18.87
18.69
18.50
17.91
29
17.14
17.49
16.68
16.68
16.99
22.81
18.75
16.91
18.64
18.66
17.91
30
17.14
17.49
16.69
16.67
17.00
24.00
18.93
17.22
18.49
18.64
17.92
31
17.48
16.67
17.02
19.06
18.48
18.65
17.93
----------
--------------
Mean
17.66
17.77
16.95
16.68
16.96
18.15
24.58
17.23
18.44
18.65
18.39
18.15
Max
18.10
18.30
17.41
16.69
17.24
24.00
28.50
18.94
18.87
18.90
18.64
18.44
28.50
Min
17.14
17.13
16.67
16.67
16.68
16.90
18.74
16.91
17.55
18.42
17.94
17.91
16.67
28.52
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 16.58
m. (MSL.)
28.71
m. (MSL.) ,
31.78
m. (MSL.) ,
Drainage Area 8778 Square Kilometers
at 13.00 Hours , on Oct 5 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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