Basic HTML Version
472
Location : on right bank at the bridge.
1,263
sq.km.
Amphoe
Chai Badan
Changwat
Lop Buri
Ban
Tha Ruak
WATER YEAR : 2014
PASAK RIVER BASIN
Lam Sonthi at Ban Tha Ruak , Lop Buri (S.14)
Lat 15 - 13 - 24 N Long 101 - 16 - 52 E
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 mean of 24 readings
2005 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+63.824 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
2005 to date
-
2005 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 13 discharge measurements made in 2014.
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
54.00
54.00
54.01
54.01
54.03
55.74
55.93
53.99
53.99
53.94
53.94
53.97
2
54.00
54.00
54.01
53.99
54.03
57.24
55.14
53.99
53.99
53.94
53.94
53.96
3
54.00
54.00
54.00
53.99
54.03
59.38
54.05
53.98
53.98
53.94
53.94
53.96
4
54.00
54.00
54.00
53.99
54.03
59.27
54.04
53.98
53.98
53.94
53.94
53.96
5
54.00
54.00
53.99
53.99
54.03
59.04
54.03
54.00
53.98
53.94
53.94
53.95
6
54.00
54.00
53.98
53.99
54.02
59.40
54.02
54.00
53.97
53.94
53.94
53.94
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
54.00
54.00
53.98
54.00
54.02
57.76
54.02
54.00
53.96
53.94
53.94
53.94
8
54.00
54.00
53.98
54.01
54.02
55.85
54.03
55.50
53.96
53.94
53.94
53.94
9
54.00
54.00
53.98
54.02
54.02
54.09
54.03
54.95
53.96
53.94
53.94
53.94
10
54.00
54.00
53.98
54.02
54.02
54.08
54.03
54.63
53.95
53.94
53.94
53.94
11
54.00
54.01
53.98
54.03
54.02
54.07
54.11
54.33
53.95
53.94
53.94
53.94
12
54.00
54.00
54.02
54.03
54.01
54.06
54.44
54.20
53.95
53.94
53.94
53.94
13
54.00
54.00
54.32
54.03
54.01
54.83
54.03
54.12
53.95
53.94
53.94
53.95
14
54.00
53.99
54.03
54.03
54.01
54.50
54.01
54.07
53.95
53.94
53.94
53.95
15
54.00
53.99
54.02
54.03
54.01
54.05
54.00
54.05
53.94
53.95
53.94
53.95
16
54.00
53.99
54.02
54.05
54.00
54.05
54.01
54.03
53.94
53.95
53.95
53.96
17
54.00
53.99
54.02
54.05
54.00
54.04
54.01
54.01
53.94
53.95
53.95
53.96
18
54.00
54.02
54.01
54.04
53.99
54.04
54.01
54.00
53.94
53.95
53.95
53.96
19
54.00
54.47
54.00
54.04
54.00
54.03
54.01
54.00
53.94
53.95
53.95
53.96
20
54.00
54.17
54.00
54.02
54.00
54.02
54.01
54.00
53.94
53.95
53.95
53.96
21
54.00
54.00
54.00
54.00
54.00
54.03
54.00
54.00
53.94
53.95
53.96
53.96
22
54.00
54.00
54.01
54.01
54.02
54.07
54.00
54.01
53.94
53.95
53.96
53.97
23
54.00
54.05
54.00
54.03
54.03
54.53
54.17
54.01
53.94
53.95
53.96
53.97
24
54.00
54.20
54.02
54.03
54.03
54.16
54.67
54.01
53.94
53.95
53.96
53.98
25
54.00
54.35
54.02
54.03
54.45
54.56
54.35
54.02
53.94
53.95
53.96
53.98
26
54.00
54.50
54.03
54.03
54.07
54.20
54.98
54.02
53.94
53.95
53.97
53.98
27
54.00
54.98
54.02
54.03
55.31
54.05
55.11
54.02
53.94
53.94
53.97
53.98
28
54.00
54.47
54.02
54.03
54.16
54.06
54.02
54.02
53.94
53.94
53.97
53.98
29
54.00
54.02
54.03
54.03
54.13
54.12
53.99
54.02
53.94
53.94
53.98
30
54.00
54.09
54.03
54.03
55.17
56.55
53.99
54.01
53.94
53.94
53.97
31
54.01
54.03
55.17
53.99
53.94
53.94
53.97
----------
--------------
Mean
54.00
54.11
54.02
54.02
54.16
55.26
54.23
54.13
53.95
53.94
53.95
53.96
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
54.00
54.98
54.32
54.05
55.31
59.40
55.93
55.50
53.99
53.95
53.97
53.98
59.40
Min
54.00
53.99
53.98
53.99
53.99
54.02
53.99
53.98
53.94
53.94
53.94
53.94
53.94
60.02
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 53.24
m. (MSL.)
63.82
m. (MSL.) ,
63.84
m. (MSL.) ,
Drainage Area 1263 Square Kilometers
at 18.00 Hours , on Sep 3 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation