Page 664 - Yearbook2013_v56_new

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628
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WATER YEAR : 2013
WEST COAST - GULF BASIN
Khlong Krut at Ban Nong Ya Plong , Prachuap Khiri Khan (Gt.10)
Lat 11 - 24 - 08 N Long 99 - 31 - 18 E
Locat on : on r g t an at t e r ge o P et Kasem H g way near t e gu epost 379.
113
sq.km.
Staff gage
+25.364 m. (MSL.)
B.M.-H.D.
On right bank at the abutment of the bridge.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Drainge Area
Amphoe
Bang Saphan
Changwat
Prachuap Khiri Khan
Ban
Nong Ya Plong
Gage Reading Frequency
Zero Gage at Bottom
+30.364 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 5 readings
1979 to date
1980 to date
-
1980 to date
Stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Stage-discharge relation defined by 25 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
23.87
24.03
23.88
23.90
24.34
23.95
24.47
24.50
24.61
23.93
23.78
23.81
2
23.87
24.03
23.88
23.89
24.33
23.93
24.42
24.45
24.54
23.91
23.77
23.80
3
23.87
24.04
23.88
23.89
24.31
23.91
24.38
24.46
24.49
23.89
23.77
23.78
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
23.86
24.02
23.89
23.88
24.28
23.91
24.35
24.39
24.45
23.89
23.77
23.78
5
23.86
24.01
23.89
23.88
24.25
23.88
24.32
24.33
24.41
23.89
23.77
23.78
6
23.86
24.01
23.91
23.88
24.22
23.96
24.96
24.31
24.39
23.88
23.76
23.77
7
23.85
24.01
23.91
23.88
24.20
24.48
25.61
24.31
24.36
23.89
23.76
23.76
8
23.84
23.98
23.99
23.90
24.18
24.66
25.09
24.33
24.33
23.87
23.77
23.76
9
23.84
23.96
23.94
23.97
24.17
24.70
25.16
25.16
24.32
23.86
23.77
23.76
10
23.83
23.93
23.88
23.92
24.15
24.36
24.90
24.62
24.30
23.85
23.75
23.75
11
23.83
23.92
23.88
23.90
24.12
24.18
24.87
24.42
24.28
23.85
23.75
23.76
12
23 87
23 95
23 90
23 89
24 11
24 21
25 15
24 36
24 26
23 83
23 75
23 75
.
.
.
.
.
.
.
.
.
.
.
.
13
24.19
23.99
23.94
23.88
24.07
24.12
24.75
24.32
24.25
23.82
23.75
23.75
14
24.28
24.02
23.95
23.88
24.04
24.08
24.64
24.29
24.23
23.81
23.75
23.75
15
24.50
24.01
23.92
23.88
24.01
24.04
24.55
24.26
24.22
23.80
23.75
23.75
16
24.90
24.01
23.92
23.95
23.99
24.04
24.49
24.38
24.20
23.79
23.75
23.75
17
24.46
24.02
23.91
23.94
23.99
24.05
24.45
26.37
24.19
23.79
23.75
23.74
18
24.29
24.03
23.91
23.93
23.99
24.07
24.41
25.20
24.16
23.79
23.75
23.75
19
24.22
24.02
23.90
23.92
23.98
24.11
24.82
24.88
24.12
23.79
23.75
23.74
20
24.17
24.04
23.90
23.91
23.97
24.28
24.67
24.72
24.10
23.80
23.74
23.74
21
24.11
24.01
23.90
23.90
23.90
25.13
24.58
24.60
24.09
23.80
24.36
23.73
22
24.10
24.00
23.91
23.90
23.89
25.44
24.66
24.52
24.06
23.80
24.10
23.88
23
24.08
23.99
23.92
23.91
23.88
26.03
24.54
25.35
24.05
23.80
23.90
24.09
24
24.05
23.96
23.92
23.92
23.88
26.19
24.45
26.19
24.04
23.79
24.18
24.12
25
24.03
23.94
23.94
23.96
23.93
25.39
24.40
25.43
24.02
23.79
24.01
23.96
26
24.02
23.93
23.96
23.94
24.06
25.05
24.36
25.07
23.99
23.79
23.88
23.86
27
24.03
23.93
23.94
23.92
24.13
24.84
24.37
24.89
23.98
23.79
23.84
23.82
28
24.07
23.92
23.93
23.91
24.07
24.70
25.24
24.96
23.97
23.80
23.82
23.80
29
24.06
23.91
23.91
23.90
23.99
24.63
24.92
24.85
23.96
23.79
23.79
30
24.04
23.92
23.90
24.02
23.98
24.56
24.76
24.70
23.94
23.79
23.79
31
23.89
24.25
23.98
24.59
23.94
23.78
23.78
----------
--------------
Mean
24.06
23.98
23.91
23.92
24.08
24.50
24.69
24.75
24.20
23.83
23.83
23.80
Max
24.90
24.04
23.99
24.25
24.34
26.19
25.61
26.37
24.61
23.93
24.36
24.12
26.37
Min
23.83
23.89
23.88
23.88
23.88
23.88
24.32
24.26
23.94
23.78
23.74
23.73
23.73
27.44
m. (MSL.) ,
25.36
m. (MSL.) ,
River Bed 23.68
m. (MSL.)
29.29
m. (MSL.) ,
29.56
m. (MSL.) ,
Drainage Area 113 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 07.00 Hours , on Nov 17 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation