Basic HTML Version
472
i
i h b k h b id
WATER YEAR : 2013
PASAK RIVER BASIN
Pasak River at Panchamathirat Uthit Hospital , Phra Nakhon Si Ayutthaya (S.5)
Lat 14 - 21 - 32 N Long 100 - 35 - 02 E
Locat on : on r g t an at t e r ge.
Amphoe
Phra Nakhon Si Ayutthaya
Changwat
Phra Nakhon Si Ayutthaya
15,830 sq.km.
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank near the gage site.
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+7.220 m. (MSL.)
Bench Mark
Type of Gage
Ban
Panchamathirat
Arithmetic means of 24 readings
2008 to date
2008 to date
-
2008 to date
Fairly stable.
No overbank flow.
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Records good. Stage-discharge relation defined by 44 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
0.63
0.64
0.30
0.29
0.55
0.89
3.45
2.39
1.01
0.82
0.64
0.75
2
0.65
0.57
0.33
0.36
0.48
0.88
3.54
2.33
0.92
0.86
0.58
0.67
3
0.70
0.50
0.41
0.45
0.56
0.82
3.61
2.28
1.00
0.81
0.54
0.71
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
0.74
0.47
0.53
0.47
0.60
0.78
3.71
2.17
0.96
0.69
0.52
0.72
5
0.61
0.39
0.60
0.38
0.64
0.82
3.78
2.07
0.94
0.67
0.56
0.68
6
0.44
0.52
0.55
0.38
0.52
0.91
3.85
2.03
1.02
0.76
0.57
0.64
7
0.34
0.66
0.47
0.39
0.46
1.07
3.91
1.94
1.04
0.65
0.53
0.62
8
0.43
0.57
0.50
0.39
0.59
1.17
3.93
1.87
0.87
0.45
0.65
0.60
9
0.53
0.63
0.47
0.47
0.69
1.31
3.90
1.89
0.78
0.55
0.60
0.60
10
0.54
0.57
0.48
0.55
0.70
1.32
3.85
1.73
0.65
0.81
0.59
0.66
11
0.58
0.57
0.45
0.58
0.85
1.30
3.78
1.57
0.66
0.79
0.53
0.63
12
0 70
0 62
0 49
0 50
0 72
1 57
3 71
1 51
0 54
0 62
0 62
0 54
.
.
.
.
.
.
.
.
.
.
.
.
13
0.69
0.55
0.46
0.44
0.71
1.74
3.63
1.41
0.68
0.64
0.76
0.66
14
0.69
0.51
0.50
0.45
0.88
1.72
3.55
1.33
0.71
0.72
0.70
0.60
15
0.67
0.50
0.51
0.53
1.12
1.82
3.47
1.29
0.69
0.77
0.84
0.69
16
0.70
0.46
0.53
0.57
1.17
1.98
3.45
1.14
0.75
0.77
0.95
0.84
17
0.68
0.43
0.70
0.55
1.15
2.11
3.53
1.26
0.57
0.65
0.78
0.75
18
0.46
0.43
0.77
0.53
1.28
2.17
3.50
1.21
0.49
0.67
0.69
0.72
19
0.44
0.33
0.88
0.56
1.26
2.28
3.40
1.22
0.65
0.77
0.62
0.73
20
0.48
0.28
0.70
0.54
1.18
2.63
3.35
1.27
0.76
0.67
0.63
0.66
21
0.41
0.36
0.62
0.62
1.11
3.04
3.38
1.12
0.64
0.48
0.84
0.61
22
0.43
0.43
0.65
0.59
1.11
3.29
3.33
1.14
0.50
0.53
0.72
0.74
23
0.45
0.44
0.67
0.65
1.03
3.30
3.28
1.10
0.66
0.60
0.79
0.79
24
0.45
0.46
0.75
0.63
1.00
3.24
3.18
1.06
0.60
0.56
0.87
0.79
25
0.51
0.48
0.76
0.63
0.99
3.21
3.06
0.87
0.62
0.57
0.87
0.84
26
0.53
0.49
0.74
0.61
0.93
3.22
2.94
0.89
0.68
0.64
0.75
0.86
27
0.56
0.50
0.70
0.55
0.83
3.23
2.83
0.87
0.50
0.67
0.77
0.76
28
0.58
0.48
0.61
0.54
0.87
3.24
2.72
0.78
0.77
0.73
0.79
0.74
29
0.66
0.43
0.54
0.53
0.87
3.29
2.63
0.85
0.87
0.71
0.68
30
0.66
0.44
0.41
0.52
0.86
3.43
2.52
1.00
0.81
0.66
0.63
31
0.41
0.55
0.92
2.44
0.78
0.66
0.68
----------
--------------
Mean
0.56
0.49
0.57
0.51
0.86
2.06
3.39
1.45
0.75
0.68
0.69
0.70
Max
0.74
0.66
0.88
0.65
1.28
3.43
3.93
2.39
1.04
0.86
0.95
0.86
3.93
Min
0.34
0.28
0.30
0.29
0.46
0.78
2.44
0.78
0.49
0.45
0.52
0.54
0.28
3.95
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed -8.85
m. (MSL.)
5.67
m. (MSL.) ,
7.22
m. (MSL.) ,
Drainage Area 15830 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 02.00 Hours , on Oct 8 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation