Basic HTML Version
478
Location : on right bank at the bridge.
-
sq.km.
WATER YEAR : 2011
PASAK RIVER BASIN
Pasak River at Ban Phun Sap , Lop Buri (S.43)
Lat 15 - 19 - 39 N Long 101 - 12 - 45 E
Amphoe
Chai Badan
Changwat
Lop Buri
Ban
Phun Sap
Drainge Area
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank at the abutment of the bridge.
Elevation
Recording
Arithmetic means of 24 readings
2011 to date
+51.908 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
2011 to date
-
2011 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 34 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
39.30
39.00
42.74
40.78
44.42
46.55
51.61
44.12
43.70
42.71
41.38
40.19
2
39.33
38.78
43.05
41.10
43.80
46.63
51.52
44.10
43.68
42.66
41.36
40.15
3
39.35
38.79
43.54
41.25
43.38
46.68
51.37
44.08
43.65
42.62
41.32
40.14
4
39.36
38.78
44.80
41.50
43.41
46.74
51.18
44.06
43.63
42.56
41.28
40.13
5
39.37
38.76
45.55
41.94
43.82
46.82
51.00
44.05
43.61
42.51
41.24
40.10
6
39.39
38.70
45.94
42.34
44.08
47.06
50.90
44.04
43.59
42.49
41.21
39.98
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
39.40
39.14
46.19
42.50
44.22
47.30
50.79
44.03
43.58
42.45
41.17
39.95
8
39.37
39.90
46.10
42.48
44.31
47.32
50.67
44.01
43.57
42.41
41.13
39.90
9
39.34
39.95
45.92
42.33
44.36
47.61
50.50
43.99
43.55
42.37
41.09
39.81
10
39.33
40.35
45.66
42.06
44.47
48.02
50.31
43.96
43.52
42.32
41.06
39.78
11
39.33
40.47
45.42
41.69
44.66
48.50
50.08
43.96
43.50
42.27
41.03
39.74
12
39.33
40.36
45.20
41.22
44.83
49.10
49.83
44.00
43.48
42.23
40.97
39.71
13
39.30
40.12
44.86
40.66
44.98
49.37
49.66
44.01
43.46
42.19
40.93
39.70
14
39.25
39.89
44.04
40.36
45.15
49.51
49.46
44.01
43.43
42.14
40.89
39.68
15
39.21
40.40
42.98
40.19
45.28
49.59
49.31
43.99
43.39
42.09
40.85
39.60
16
39.16
40.57
42.05
40.24
45.41
49.79
49.17
43.97
43.35
42.04
40.81
39.58
17
39.11
40.23
41.41
40.50
45.78
50.02
48.98
43.96
43.30
41.99
40.75
39.55
18
39.08
40.06
40.98
40.78
45.84
50.28
48.65
43.95
43.27
41.95
40.70
39.49
19
39.05
40.16
40.76
41.29
45.82
51.01
48.21
43.92
43.24
41.90
40.65
39.37
20
39.01
39.42
40.61
41.92
45.78
51.61
47.73
43.90
43.21
41.86
40.60
39.45
21
39.00
39.78
40.58
42.30
45.87
51.75
47.22
43.88
43.18
41.82
40.56
39.43
22
38.99
39.77
40.68
42.51
46.05
51.80
46.76
43.86
43.15
41.78
40.52
39.39
23
38.95
39.70
40.81
42.60
46.25
51.85
46.33
43.84
43.12
41.73
40.48
39.31
24
38.82
40.11
40.91
42.75
46.49
51.83
45.92
43.82
43.08
41.68
40.43
39.28
25
38.83
40.11
40.80
42.93
46.64
51.79
45.57
43.80
43.04
41.63
40.40
39.24
26
38.81
40.19
40.68
43.18
46.66
51.69
45.29
43.79
43.01
41.59
40.37
38.96
27
38.80
40.11
40.62
43.74
46.58
51.55
45.01
43.77
42.97
41.55
40.33
38.90
28
38.82
40.10
40.47
44.34
46.46
51.53
44.70
43.76
42.93
41.51
40.29
38.86
29
38.81
40.10
40.43
44.82
46.37
51.54
44.44
43.74
42.88
41.48
40.24
38.84
30
38.81
40.80
40.52
44.98
46.40
51.58
44.28
43.72
42.82
41.45
38.80
31
41.73
44.85
46.48
44.18
42.77
41.41
38.78
----------
--------------
Mean
39.13
39.88
42.81
42.13
45.29
49.55
48.41
43.94
43.31
42.04
40.83
39.54
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Max
39.40
41.73
46.19
44.98
46.66
51.85
51.61
44.12
43.70
42.71
41.38
40.19
51.85
Min
38.80
38.70
40.43
40.19
43.38
46.55
44.18
43.72
42.77
41.41
40.24
38.78
38.70
51.86
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 36.57
m. (MSL)
51.91
m. (MSL.) ,
51.95
m. (MSL.) ,
Drainage Area
Square Kilometers
at 12.00 Hours , on Sep 23 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation