Page 770 - Yearbook2013_v56_new

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734
i
i h b k
WATER YEAR : 2013
SOUTHERN PENINSULA WEST COAST
Khlong Phangnga at Ban Bang Tong , Phangnga (X.245)
Lat 08 - 30 - 49 N Long 98 - 30 - 15 E
Locat on : on r g t an at Ban Bang Tong.
242
sq.km.
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
Near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+16.857 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Mueang
Changwat
Phangnga
Ban
Bang Tong
Arithmetic means of 5 readings
2006 to date
2006 to date
-
2006 to date
Rather unstable by some scouring.
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 22 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
8.08
8.40
8.49
8.58
10.37
8.56
8.97
8.57
8.40
8.17
8.09
7.99
2
8.08
8.36
9.34
9.36
10.95
8.53
8.71
8.55
8.38
8.17
8.09
7.99
3
8.08
8.28
8.79
9.62
10.08
8.49
8.71
8.53
8.37
8.17
8.08
7.98
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
8.08
8.28
8.65
11.95
9.68
8.38
9.89
8.50
8.36
8.16
8.08
7.97
5
8.06
8.29
8.68
9.84
9.40
8.46
9.92
8.48
8.34
8.16
8.08
7.97
6
8.06
8.30
8.55
9.39
9.50
8.44
9.89
8.44
8.32
8.16
8.08
7.95
7
8.05
8.86
8.48
9.19
9.27
8.43
10.01
8.43
8.31
8.16
8.07
7.93
8
8.05
8.47
8.44
9.08
9.50
8.41
9.82
8.45
8.30
8.36
8.07
7.91
9
8.05
8.80
8.52
8.94
9.26
8.40
9.68
8.41
8.28
8.18
8.06
7.88
10
8.05
8.45
9.45
8.93
9.16
8.40
9.35
8.43
8.28
8.18
8.06
7.88
11
8.05
8.29
9.82
8.90
9.10
9.66
9.14
8.47
8.27
8.17
8.05
7.85
12
8 06
8 28
11 60
8 87
9 12
9 43
8 97
8 69
8 27
8 17
8 05
7 85
.
.
.
.
.
.
.
.
.
.
.
.
13
8.08
8.27
10.35
8.90
9.40
9.04
8.90
8.43
8.27
8.17
8.04
7.83
14
8.14
8.25
10.08
9.24
9.08
9.11
8.80
8.41
8.27
8.17
8.04
7.83
15
8.41
8.25
11.40
9.39
9.05
8.79
8.75
8.54
8.26
8.17
8.03
7.80
16
8.43
8.25
10.75
9.14
9.02
8.69
8.70
8.55
8.26
8.16
8.03
7.78
17
9.20
8.25
10.10
9.11
8.93
8.64
8.67
8.52
8.25
8.15
8.02
7.76
18
8.44
8.45
9.85
8.96
8.85
8.60
8.63
8.43
8.26
8.15
8.02
7.74
19
8.25
8.41
9.65
8.92
8.79
8.58
8.59
8.40
8.26
8.14
8.01
7.72
20
8.25
8.48
9.45
8.98
8.74
9.36
8.63
8.39
8.25
8.13
8.01
7.71
21
8.25
8.71
9.32
9.16
8.70
8.95
8.79
8.38
8.25
8.12
8.01
7.67
22
8.25
8.74
9.12
9.30
8.67
8.91
8.73
8.40
8.25
8.12
8.01
7.62
23
8.27
8.50
8.89
9.50
8.64
8.75
8.84
8.40
8.25
8.11
8.00
7.59
24
8.28
8.54
8.79
9.78
8.60
8.69
8.91
8.71
8.24
8.11
8.00
7.55
25
8.27
8.74
8.73
9.25
8.59
8.64
8.77
8.49
8.24
8.11
7.99
7.47
26
8.26
9.05
8.68
9.09
8.58
8.60
8.78
8.44
8.24
8.10
7.99
7.44
27
8.70
8.79
8.61
8.90
8.57
8.58
8.71
8.44
8.18
8.10
7.98
7.44
28
8.50
8.94
8.55
8.87
8.56
8.58
8.68
8.53
8.18
8.09
7.98
7.44
29
8.58
8.94
8.48
8.83
8.57
9.15
8.66
8.45
8.18
8.09
7.43
30
8.57
8.68
8.48
8.75
8.51
9.26
8.65
8.42
8.17
8.11
7.43
31
8.62
9.11
8.61
8.59
8.17
8.12
7.43
----------
--------------
Mean
8.26
8.51
9.27
9.22
9.09
8.75
8.99
8.48
8.27
8.15
8.04
7.74
Max
9.20
9.05
11.60
11.95
10.95
9.66
10.01
8.71
8.40
8.36
8.09
7.99
11.95
Min
8.05
8.25
8.44
8.58
8.51
8.38
8.59
8.38
8.17
8.09
7.98
7.43
7.43
12.90
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 6.48
m. (MSL.)
16.60
m. (MSL.) ,
17.62
m. (MSL.) ,
Drainage Area 242 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 09.00 Hours , on Jul 4 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation