Page 752 - yearbook2011

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718
Location : on left bank at Ban Na Kaeo.
208
sq.km.
Amphoe
Khuan Kalong
Changwat
Satun
Ban
Na Kaeo
WATER YEAR : 2011
SOUTHERN PENINSULA WEST COAST
Khlong Tha Prae at Ban Na Kaeo , Satun (X.262)
Lat 06 - 49 - 15 N Long 99 - 59 - 45 E
Drainge Area
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2007 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+14.092 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 52 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
7.50
7.00
6.60
6.70
6.65
8.44
7.78
6.65
7.10
7.60
6.74
6.60
2
7.20
7.00
6.60
6.70
6.65
8.45
7.22
6.65
7.05
7.50
6.74
6.60
3
7.10
6.65
6.60
6.70
6.65
7.51
7.01
6.60
7.05
7.40
6.74
6.62
4
7.00
6.65
7.00
6.70
6.65
7.28
7.51
6.60
7.05
7.40
6.73
6.64
5
7.00
6.88
7.00
6.70
6.60
7.09
7.31
7.00
7.05
7.65
6.73
6.66
6
6.98
7.00
6.65
6.65
6.60
7.00
7.15
7.80
7.00
7.80
6.73
6.66
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
6.97
7.00
6.64
6.65
6.60
7.00
7.00
7.50
7.00
8.10
6.72
6.65
8
6.96
7.00
6.64
6.65
6.60
7.22
7.00
7.00
7.00
8.06
6.72
6.65
9
6.95
7.00
6.60
6.65
6.58
8.04
7.00
6.98
6.98
8.00
6.72
6.64
10
6.94
7.00
7.00
6.65
6.58
8.80
7.00
6.64
6.95
7.50
6.71
6.64
11
6.93
7.00
7.00
6.65
6.56
12.22
7.13
6.60
6.95
7.30
6.71
6.67
12
6.92
6.95
7.00
6.65
6.60
12.51
7.00
6.60
6.90
7.35
6.71
6.66
13
6.91
6.92
7.00
6.65
6.65
8.22
7.00
6.60
6.90
7.40
6.70
6.65
14
6.90
6.89
7.00
6.65
6.70
7.76
7.00
6.60
6.88
7.38
6.70
6.64
15
6.89
6.75
7.00
6.65
7.12
7.61
6.97
6.60
6.88
7.40
6.70
6.63
16
6.88
6.70
7.00
6.60
7.82
7.52
7.08
7.20
6.87
7.45
6.69
6.65
17
6.87
6.90
7.00
6.60
8.40
7.49
7.10
7.00
6.87
7.50
6.69
6.69
18
6.86
7.10
7.00
6.60
7.81
8.14
7.07
7.00
6.87
7.30
6.69
6.72
19
6.85
7.10
7.00
6.60
7.37
8.30
7.07
6.90
6.86
7.20
6.69
6.72
20
6.84
7.10
7.00
6.60
8.14
7.25
7.07
7.20
6.86
7.10
6.68
6.73
21
6.82
7.00
7.00
6.75
8.67
7.17
7.00
7.00
6.85
7.00
6.68
6.70
22
6.76
6.80
7.00
6.75
8.59
7.09
7.00
7.20
6.85
6.98
6.68
6.68
23
6.74
6.68
6.65
6.75
9.02
7.09
7.00
8.80
6.85
6.94
6.66
6.66
24
6.72
6.67
6.65
6.75
8.53
7.11
7.00
8.40
6.84
6.90
6.65
6.65
25
6.70
6.66
6.65
6.75
8.93
7.39
7.00
9.08
6.84
6.85
6.64
6.65
26
6.69
6.65
6.65
6.80
9.60
9.76
6.96
8.60
6.83
6.80
6.63
6.64
27
6.68
6.64
6.60
6.80
9.71
8.47
6.94
8.40
6.83
6.76
6.62
6.64
28
6.67
6.63
6.60
6.80
9.42
9.55
6.90
8.30
6.82
6.72
6.61
6.64
29
6.66
6.62
6.65
6.80
9.03
8.03
6.86
7.65
6.81
6.70
6.60
6.63
30
6.65
6.61
6.69
6.80
8.46
7.50
6.83
7.05
6.80
6.70
6.63
31
6.59
6.80
8.05
6.80
6.80
6.69
6.63
----------
--------------
Mean
6.88
6.84
6.82
6.70
7.66
8.10
7.06
7.27
6.91
7.27
6.69
6.65
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
7.50
7.10
7.00
6.80
9.71
12.51
7.78
9.08
7.10
8.10
6.74
6.73
12.51
Min
6.65
6.59
6.60
6.60
6.56
7.00
6.80
6.60
6.80
6.69
6.60
6.60
6.56
13.69
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 6.18
m. (MSL)
13.99
m. (MSL.) ,
13.97
m. (MSL.) ,
Drainage Area 208 Square Kilometers
at 03.00 Hours , on Sep 12 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation