Page 354 - Yearbook2013_v56_new

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WATER YEAR : 2013
YOM RIVER BASIN
Yom River at Ban Sam Ngam , Phichit (Y.17)
Lat 16 - 30 - 24 N Long 100 - 12 - 27 E
Locat on : on e t an at t e r ge on g way rom n ront o Amp oe Sam Ngam o ce.
22,034 sq.km.
Staff gage
+31.490 m. (MSL.)
B.M.-H.D.
On left bank about 50 meters from Amphoe Sam Ngam Office.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Amphoe
Sam Ngam
Changwat
Phichit
Ban
Sam Ngam
Gage Reading Frequency
Zero Gage at Bottom
+41.843 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 5 readings
1967 to date
1967 , 1990 to date
-
1967 , 1990 to date
Fairly stable.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records good. Stage-discharge relation defined by 20 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
31.90
30.63
32.19
33.74
34.33
34.45
36.38
35.94
33.67
32.34
30.89
30.89
2
31.63
30.63
32.21
33.71
34.33
34.45
36.42
35.87
33.62
32.34
30.89
30.89
3
31.50
30.62
32.19
33.71
34.33
34.59
36.57
35.85
33.53
32.34
30.89
30.89
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
31.38
30.62
32.21
33.60
34.20
34.84
36.65
35.69
33.46
32.34
30.89
30.89
5
31.30
30.62
32.17
33.52
34.24
34.90
36.68
35.66
33.38
32.24
30.89
30.89
6
31.28
30.63
32.29
33.46
34.25
34.96
36.64
35.63
33.33
31.99
30.89
30.89
7
31.19
30.63
32.69
33.76
34.24
34.80
36.67
35.57
33.26
31.97
30.89
30.89
8
31.12
30.63
33.07
33.70
34.29
34.81
36.67
35.45
33.21
31.89
30.89
30.89
9
30.89
30.63
33.17
33.69
34.20
34.83
36.66
35.34
33.19
31.89
30.89
30.89
10
30.79
30.63
33.24
33.66
34.40
34.82
36.65
35.24
33.02
31.84
30.89
30.89
11
30.77
30.63
33.32
33.72
34.35
34.84
36.65
35.05
32.91
31.77
30.89
30.89
12
30 77
30 76
33 35
33 98
34 47
34 94
36 67
34 84
32 85
31 16
30 89
30 89
.
.
.
.
.
.
.
.
.
.
.
.
13
30.77
30.79
33.69
34.16
34.77
35.08
36.67
34.84
32.78
31.07
30.89
30.89
14
30.77
32.53
33.68
34.21
34.82
35.13
36.65
34.45
32.73
31.04
30.89
30.89
15
30.77
33.13
34.27
34.27
35.03
35.23
36.62
34.04
32.69
31.04
30.89
30.89
16
30.77
33.14
33.00
34.18
35.15
35.34
36.66
33.63
32.74
30.89
30.89
30.89
17
30.77
33.09
33.82
34.04
35.23
35.38
36.64
33.47
32.81
30.89
30.89
30.89
18
30.77
32.99
33.84
34.00
35.24
35.42
36.59
33.42
32.82
30.89
30.89
30.89
19
30.77
32.89
33.72
34.00
35.21
35.47
36.54
33.29
32.87
30.89
30.89
30.89
20
30.77
32.77
33.63
34.04
35.15
35.51
36.49
33.33
32.88
30.89
30.89
30.89
21
30.77
32.69
33.70
34.01
35.09
35.55
36.39
33.96
32.84
30.89
30.89
30.89
22
30.77
32.49
33.71
34.04
35.00
35.70
36.37
33.91
32.83
30.89
30.89
30.89
23
30.77
32.42
33.74
33.86
34.94
35.84
36.34
33.84
32.78
30.89
30.89
30.89
24
30.77
32.39
33.70
33.79
34.81
35.86
36.32
33.80
32.71
30.89
30.89
30.91
25
30.77
32.36
33.79
33.74
34.76
35.90
36.38
33.76
32.62
30.89
30.89
30.96
26
30.64
32.21
33.98
33.59
34.77
35.95
36.24
33.66
32.53
30.89
30.89
30.98
27
30.64
32.19
34.01
33.82
34.77
36.02
36.27
33.59
32.49
30.89
30.89
30.98
28
30.64
32.17
33.98
33.85
34.77
36.10
36.25
33.60
32.44
30.89
30.89
30.98
29
30.63
32.16
34.06
34.12
34.72
36.22
36.24
33.64
32.44
30.89
30.98
30
30.63
32.09
33.82
34.14
34.59
36.30
36.07
33.69
32.44
30.89
30.98
31
32.13
34.15
34.48
35.96
32.45
30.89
30.98
----------
--------------
Mean
30.92
31.75
33.34
33.88
34.68
35.31
36.48
34.47
32.91
31.34
30.89
30.91
Max
31.90
33.14
34.27
34.27
35.24
36.30
36.68
35.94
33.67
32.34
30.89
30.98
36.68
Min
30.63
30.62
32.17
33.46
34.20
34.45
35.96
33.29
32.44
30.89
30.89
30.89
30.62
36.69
m. (MSL.) ,
31.49
m. (MSL.) ,
River Bed 30.53
m. (MSL.)
41.81
m. (MSL.) ,
41.79
m. (MSL.) ,
Drainage Area 22034 Square Kilometers
at 12.00 Hours , on Oct 5 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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