Basic HTML Version
668
i
l f b k
WATER YEAR : 2013
SOUTHERN PENINSULA EAST COAST
Khlong Tha Sae at Ban Wang Maprang , Chumphon (X.247)
Lat 10 - 43 - 58 N Long 99 - 10 - 42 E
Locat on : on e t an at Ban Wang Maprang.
656
sq.km.
Staff gage
+12.000 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.
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+23.427 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Tha Sae
Changwat
Chumphon
Ban
Wang Maprang
Arithmetic means of 5 readings
2007 to date
2007 to date
-
2007 to date
Fairly stable because of backwater effect.
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 poor. Stage-discharge relation defined by 24 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
18.10
18.78
16.77
16.66
18.22
18.35
17.13
18.35
18.01
18.00
18.18
18.04
2
18.12
18.24
16.75
16.63
18.25
18.23
17.13
18.36
18.02
18.00
18.18
18.04
3
18.15
17.85
16.74
16.57
18.27
18.18
17.16
18.36
18.03
18.00
18.17
18.03
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
18.17
17.52
16.73
16.51
18.29
18.11
17.18
18.37
18.04
18.00
18.17
18.03
5
18.20
17.34
16.72
16.43
18.33
18.07
17.21
18.38
18.05
18.01
18.17
18.02
6
18.25
17.25
16.72
16.40
18.38
18.05
17.26
18.39
18.06
18.02
18.16
18.02
7
18.30
17.23
16.71
16.38
18.44
18.02
17.32
18.40
18.07
18.02
18.16
18.01
8
18.40
17.19
16.70
16.35
18.48
17.97
17.39
18.41
18.08
18.03
18.15
18.01
9
18.43
17.15
16.67
16.30
18.53
17.91
17.45
18.42
18.09
18.04
18.14
18.00
10
18.49
17.11
16.64
16.24
18.59
17.84
17.52
18.43
18.11
18.04
18.14
18.00
11
18.55
17.07
16.61
16.22
18.64
17.80
17.58
18.44
18.12
18.05
18.13
17.99
12
18 58
17 04
16 61
16 21
18 72
17 81
17 60
18 45
18 11
18 05
18 13
17 99
.
.
.
.
.
.
.
.
.
.
.
.
13
18.65
17.02
16.81
16.21
18.80
17.26
17.62
18.46
18.10
18.06
18.12
17.98
14
18.70
17.00
16.87
16.47
18.84
16.95
17.65
18.47
18.10
18.06
18.12
17.98
15
18.77
16.98
16.85
16.73
18.70
16.74
17.68
18.48
18.09
18.07
18.11
17.97
16
18.84
16.92
16.83
16.86
18.68
16.60
17.70
18.51
18.08
18.07
18.11
17.97
17
18.90
16.88
16.82
17.01
18.65
16.60
17.71
18.58
18.08
18.08
18.10
17.96
18
18.95
16.87
16.80
17.54
18.63
17.11
17.73
18.73
18.07
18.09
18.10
17.96
19
18.95
16.86
16.78
18.21
18.61
17.48
17.74
18.95
18.07
18.10
18.09
17.95
20
18.95
16.84
16.77
18.32
18.60
18.24
17.75
19.14
18.06
18.11
18.09
17.95
21
18.95
16.83
16.76
17.95
18.58
18.84
17.76
19.34
18.05
18.12
18.08
17.94
22
18.95
16.82
16.75
17.54
18.57
18.99
17.77
19.88
18.05
18.13
18.08
17.93
23
18.96
16.80
16.73
17.24
18.55
18.96
17.79
21.55
18.04
18.14
18.07
17.92
24
18.96
16.80
16.72
17.09
18.55
18.85
17.81
21.56
18.03
18.15
18.06
17.91
25
18.96
16.80
16.71
17.03
18.54
18.66
17.83
20.14
18.03
18.16
18.05
17.90
26
18.96
16.80
16.70
17.06
18.54
18.01
17.85
19.30
18.03
18.17
18.05
17.90
27
18.96
16.79
16.70
17.27
18.53
17.65
18.05
18.75
18.02
18.18
18.04
17.89
28
18.96
16.79
16.69
17.40
18.52
17.44
18.48
18.45
18.02
18.19
18.03
17.88
29
18.96
16.79
16.68
17.73
18.51
17.32
18.86
18.24
18.01
18.19
17.87
30
18.96
16.79
16.67
18.10
18.50
17.18
18.63
18.03
18.01
18.19
17.86
31
16.78
18.16
18.49
18.44
18.00
18.19
17.85
----------
--------------
Mean
18.67
17.09
16.73
16.99
18.53
17.84
17.70
18.84
18.06
18.09
18.11
17.96
Max
18.96
18.78
16.87
18.32
18.84
18.99
18.86
21.56
18.12
18.19
18.18
18.04
21.56
Min
18.10
16.78
16.61
16.21
18.22
16.60
17.13
18.03
18.00
18.00
18.03
17.85
16.21
22.19
m. (MSL.) ,
12.00
m. (MSL.) ,
River Bed 11.70
m. (MSL.)
25.21
m. (MSL.) ,
25.16
m. (MSL.) ,
Drainage Area 656 Square Kilometers
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at 01.00 Hours , on Nov 24 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation