Page 356 - Slide 1

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322
Location : on left bank at the bridge on road.
10,305 sq.km.
WATER YEAR : 2012
YOM RIVER BASIN
Yom River at Ban Wang Chin , Phrae (Y.37)
Lat 17 - 53 - 48 N Long 99 - 36 - 28 E
Drainge Area
Amphoe
Wang Chin
Changwat
Phrae
Ban
Wang Chin
Water - stage recorder
+92.280 m. (MSL.)
B.M.-H.D.
On left bank about 5 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1999 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+105.250 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1999 to date
-
1999 to date
Stable.
No overbank flow.
Records good. The weir situated about 1 kilometer downstream from the gage site.
Stage-discharge relation defined by 47 discharge measurements made in 2012.
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
94.43
94.42
96.67
94.74
95.63
97.56
97.08
95.22
95.99
94.46
94.60
94.10
2
94.44
94.49
96.29
94.68
95.64
97.32
96.97
95.24
95.57
94.45
94.72
94.08
3
94.47
94.64
96.49
94.67
95.36
97.28
96.82
95.37
95.16
94.44
94.82
94.08
4
94.48
94.65
97.00
94.65
95.26
98.46
97.10
95.25
95.04
94.43
94.66
94.08
5
94.48
94.63
96.49
94.71
95.32
99.38
97.36
95.09
94.86
94.43
94.52
94.06
6
94.46
95.10
96.14
96.02
95.41
99.30
97.19
95.13
94.98
94.43
94.52
94.03
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
94.44
95.49
95.79
95.99
95.29
99.34
97.19
95.18
94.90
94.31
94.52
94.00
8
94.42
96.15
96.44
96.11
95.27
99.66
97.61
95.15
94.83
94.38
94.53
93.99
9
94.40
97.41
97.97
95.74
95.32
100.14
97.50
95.18
94.78
94.36
94.50
94.03
10
94.47
97.19
98.96
95.63
96.22
100.58
96.49
95.13
94.78
94.35
94.48
94.06
11
94.77
96.34
98.43
95.26
97.58
100.34
96.03
95.02
94.76
94.33
94.46
94.11
12
94.86
95.86
97.82
95.20
98.16
99.57
95.83
94.98
94.74
94.30
94.29
94.19
13
94.82
95.38
96.87
95.06
97.03
98.45
95.63
94.98
94.73
94.28
94.09
94.16
14
94.77
95.08
96.15
95.32
96.43
97.89
95.53
94.96
94.73
94.28
94.08
94.18
15
94.70
94.91
95.65
95.12
96.00
100.01
95.48
95.01
94.71
94.31
94.06
94.15
16
94.61
94.89
95.29
95.01
95.91
100.45
95.48
95.19
94.68
94.32
94.06
94.13
17
94.57
94.91
95.28
94.89
95.89
100.05
95.43
95.18
94.65
94.32
94.07
94.11
18
94.49
94.76
95.18
94.81
95.85
98.18
95.38
95.03
94.58
94.33
94.08
94.12
19
94.48
94.83
95.04
94.78
95.67
97.08
95.33
94.93
94.56
94.33
94.08
94.13
20
94.48
95.30
94.97
95.09
95.64
96.70
95.33
94.93
94.54
94.33
94.10
94.13
21
94.46
95.34
94.96
95.13
95.94
96.47
95.33
94.88
94.51
94.30
94.14
94.10
22
94.43
95.20
94.95
95.05
97.40
96.41
95.23
94.88
94.48
94.28
94.23
94.08
23
94.40
95.06
94.86
95.14
97.58
96.32
95.09
94.88
94.48
94.28
94.18
94.08
24
94.33
95.04
94.89
95.44
96.98
96.11
95.11
94.86
94.47
94.28
94.18
94.05
25
94.24
95.19
95.02
96.63
96.18
95.98
95.18
94.86
94.46
94.28
94.16
94.03
26
94.48
95.44
95.02
99.50
96.41
96.15
95.28
94.86
94.46
94.28
94.14
94.00
27
94.43
95.28
94.88
99.52
97.71
96.48
95.22
94.88
94.46
94.26
94.14
93.98
28
94.40
95.93
94.88
97.65
98.77
97.34
95.13
94.95
94.47
94.24
94.12
93.98
29
94.38
97.77
94.86
96.53
98.10
97.23
95.09
95.07
94.48
94.24
93.98
30
94.38
98.02
94.82
96.16
97.69
97.17
95.05
95.31
94.46
94.27
94.04
31
97.46
95.92
97.71
95.12
94.46
94.39
94.27
----------
--------------
Mean
94.50
95.55
95.94
95.68
96.43
98.11
95.92
95.05
94.73
94.33
94.30
94.08
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
94.86
98.02
98.96
99.52
98.77
100.58
97.61
95.37
95.99
94.46
94.82
94.27
100.58
Min
94.24
94.42
94.82
94.65
95.26
95.98
95.05
94.86
94.46
94.24
94.06
93.98
93.98
100.90
m. (MSL.) ,
92.28
m. (MSL.) ,
River Bed 91.90
m. (MSL.)
105.34
m. (MSL.) ,
106.41
m. (MSL.) ,
Drainage Area 10305 Square Kilometers
at 17.00 Hours , on Sep 15 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation